CEL-MAR ADA-401WP Manuel utilisateur

User manual

ADA-401WP

1-WIRE to MODBUS-RTU Measuring Module

io_ada-401wp_v.1.24_en

ADA-401WP

ontents

1. GENERAL INFORMATION...................................................................................................................................................................... 4

1.1. WARRANTED INFORMATION....................................................................................................................................................... 4

1.2. GENERAL CONDITIONS FOR SAFE USE....................................................................................................................................4

1.3. CE LABEL....................................................................................................................................................................................... 4

1.4. ENVIRONMENTAL PRESERVATION............................................................................................................................................ 4

1.5. SERVICE AND MAINTENANCE..................................................................................................................................................... 4

1.6. PACK CONTENTS.......................................................................................................................................................................... 4

2. PRODUCT INFORMATION..................................................................................................................................................................... 4

2.1. PROPERTIES................................................................................................................................................................................. 4

2.2. DESCRIPTION................................................................................................................................................................................ 5

2.3. APPLICATION................................................................................................................................................................................ 6

2.4. ISOLATION..................................................................................................................................................................................... 6

3. INSTALLATION....................................................................................................................................................................................... 6

3.1. ASSEMBLING................................................................................................................................................................................. 6

3.2. CONNECTION TO COMPUTER..................................................................................................................................................... 6

3.3. CONNECTION TO RS485 / RS422 NETWORK............................................................................................................................6

3.3.1. GND TERMINAL CONNECTION........................................................................................................................................... 7

3.3.2. LINE TERMINATION.............................................................................................................................................................. 7

3.4. CONNECTION TO 1-WIRE NETWORK......................................................................................................................................... 7

3.4.1. CONNECTION TEMPERATURE SENSORS.........................................................................................................................7

3.4.2. SUPPORTED SENSORS WITH 1-WIRE INTERFACE.........................................................................................................8

3.4.3. SUPPORTED CIRCUITS WITH 1-WIRE INTERFACE..........................................................................................................8

3.4.4. 1-WIRE NETWORK LIMITATION.......................................................................................................................................... 8

3.5. POWER SUPPLY CONNECTION.................................................................................................................................................. 8

4. ACTIVATION........................................................................................................................................................................................... 9

4.1. ERRORS SIGNALIZATION............................................................................................................................................................ 9

5. CONFIGURATION................................................................................................................................................................................... 9

5.1. OPERATING MODES..................................................................................................................................................................... 9

5.2. GENERAL CONFIGURATION...................................................................................................................................................... 10

5.2.1. SYSTEM ALARMS............................................................................................................................................................... 10

5.2.2. RS485 CONFIGURATION................................................................................................................................................... 10

5.2.3. 1-WIRE CONFIGURATION.................................................................................................................................................. 11

5.2.4. MEASUREMENT CONFIGURATION...................................................................................................................................11

5.2.5. AUTOMATIC ASSIGN SENSORS TO MEASUREMENT CHANNELS (AAS) CONFIGURATION......................................11

5.3. MEASURING CHANNEL CONFIGURATION...............................................................................................................................11

5.3.1. SENSOR ADDING............................................................................................................................................................... 11

5.3.2. CHANGING SENSORS ORDER.......................................................................................................................................... 13

5.3.2.1. SENSOR DISPLACEMENT......................................................................................................................................... 13

5.3.2.2. SENSORS EXCHANGE.............................................................................................................................................. 13

5.3.2.3. CHANGING TEMPERATURE SENSORS ORDER BY THE USE OF AAS PROCEDURE........................................13

5.3.3. SENSORS REMOVING....................................................................................................................................................... 14

5.3.4. MEASUREMENT CHANNEL PARAMETERS CONFIGURATION.......................................................................................14

5.4. SAVING TO FILE.......................................................................................................................................................................... 14

5.5. PRINTING OF CONFIGURATION................................................................................................................................................ 15

5.6. FIRMWARE UPDATE................................................................................................................................................................... 15

5.7. EMERGENCY FIRMWARE UPDATE...........................................................................................................................................15

5.8. FACTORY DEFAULT.................................................................................................................................................................... 16

6. DIAGNOSTICS...................................................................................................................................................................................... 16

6.1. GENERAL MODULE DIAGNOSTICS........................................................................................................................................... 16

6.1.1. RS485 INTERFACE DIAGNOSTICS...................................................................................................................................17

6.1.2. 1-WIRE INTERFACE DIAGNOSTICS.................................................................................................................................. 17

6.1.3. ADDITIONAL DIAGNOSTICS OF 1-WIRE BUS.................................................................................................................. 17

6.1.4. SYSTEM DIAGNOSTICS..................................................................................................................................................... 17

6.2. DIAGNOSTIC OF MEASUREMENT CHANNELS........................................................................................................................ 17

6.3. DIAGNOSTIC OF MODBUS PROTOCOL.................................................................................................................................... 18

6.3.1. CONFIGURATION OF MODBUS-RTU COMMUNICATION................................................................................................19

6.3.2. MODULE MONITORING- MODBUS-RTU...........................................................................................................................20

7. IMPLEMENTATION OF MODBUS-RTU PROTOCOL...........................................................................................................................20

7.1. TABLE OF MODBUS-RTU ADDRESSES....................................................................................................................................21

7.1.1. MODBUS REGISTERS MEASURING CHANNELS READOUT BY FUNCTION 04 (3X – REFERENCES) INPUT

REGISTERS OR FUNCTION 03 (4X – REFERENCES) HOLDING REGISTERS........................................................................21

7.2. FRAME STRUCTURE OF MODBUS-RTU PROTOCOL.............................................................................................................. 22

7.3. USED FUNCTIONS OF MODBUS-RTU PROTOCOL..................................................................................................................22

7.3.1. READOUT OF THE VALUES FROM THE MEASUREMENT CHANNELS..........................................................................22

7.3.1.1. FUNCTION 0x03 / 0x04 – READOUT OF TEMPERATURE FROM MEASURING CHANNEL [4X / 3X-

REFERENCES]........................................................................................................................................................................ 22

7.3.1.2. FUNCTION 0x03 / 0x04 – READOUT OF RELATIVE HUMIDITY FROM MEASURING CHANNEL [4X / 3X-

REFERENCES]........................................................................................................................................................................ 23

ADA-401WP

7.3.1.3. FUNCTION 0x03 / 0x04 – READOUT OF ATMOSPHERIC PRESSURE FROM MEASURING CHANNEL [4X / 3X-

REFERENCES]........................................................................................................................................................................ 23

7.3.1.4. FUNCTION 0x03 / 0x04 – READOUT OF LIGHTING FROM MEASURING CHANNEL [4X / 3X-REFERENCES]....23

7.3.1.5. FUNCTION 0x03 / 0x04 – READOUT OF SUNLIGHT FROM MEASURING CHANNEL [4X / 3X-REFERENCES]...24

7.3.1.6. FUNCTION 0x03 / 0X04 – READOUT OF TEMPERATURE SET IN TEMPERATURE ADJUSTER FROM

MEASURING CHANNEL [4X / 3X-REFERENCES].................................................................................................................24

7.3.1.7. FUNCTION 0x03 / 0X04 – READOUT OF PERCENTAGE VALUE SET IN PERCENT ADJUSTER FROM

MEASURING CHANNEL [4X / 3X-REFERENCES].................................................................................................................24

7.3.1.8. FUNCTION 0x03 / 0x04 – READOUT OF CO2 CONCENTRATION MEASURING CHANNEL [4X / 3X-

REFERENCES]........................................................................................................................................................................ 24

7.3.1.9. FUNCTION 0x03 / 0x04 – READOUT OF TEMPERATURE VALUE OF SENSOR PT100 , PT500, PT1000 FROM

MEASURING CHANNEL [4X / 3X-REFERENCES].................................................................................................................24

7.3.1.10. FUNCTION 0x03 / 0x04 – READOUT OF VOLTAGE VALUES 0-10V DC FROM MEASURING CHANNEL [4X / 3X-

REFERENCES]........................................................................................................................................................................ 24

7.3.1.11. FUNCTION 0x03 / 0x04 – READOUT OF AMPERAGE VALUES 0-20mA DC FROM MEASURING CHANNEL [4X /

3X-REFERENCES]................................................................................................................................................................... 24

7.3.2. FUNCTION 0X03 / 0X04 - READOUT OF CIRCUIT SERIAL NUMBER FROM MEASURING CHANNEL [4X / 3X-

REFERENCES].............................................................................................................................................................................. 25

7.3.3. FUNCTION 0X03 / 0X04 - READOUT OF MEASURING CHANNEL STATUS [4X / 3X-REFERENCES]...........................26

8. SPECIFICATION................................................................................................................................................................................... 27

ADA-401WP

1. GENERAL INFORMATION

Thank you for your purchase of EL-MAR ompany product. This product has been completely tested and is covered by a two year

warranty on parts and operation from date of sale.

If any questions or problems arise during installation or use of this product, please do not hesitate to contact Technical Support at +48

41 362-12-46 or e-mail support@cel-mar.pl.

1.1. WARRANTED INFORMATION

ADA-401WP module is covered by a two year warranty from date of sale. The warranty does not cover damage caused from improper

use, materials consumption or any unauthorized changes. If the product does not function (is damaged), or not operate in accordance

with the instructions will be repaired.

All warranty and no warranty repairs must be returned with paid transport and insuring to the EL-MAR ompany.

EL-MAR ompany under no circumstances won't be responsible for ensuing damage from improper using the product or as a result

of random causes: the lightning discharge, the flood, the fire and the like.

EL-MAR ompany is not be held responsible for damages and loss including: loss of profits, loss of data, pecuniary losses ensuing

from using or the impossibility of using this product.

In specific cases EL-MAR ompany discontinue all warranties and in particular do not follow the user manual and do not accept

terms of warranty by the user.

1.2. GENERAL ONDITIONS FOR SAFE USE

The device should be installed in a safe and stable places (eg, electroinstallation cabinet), the powering cable should be arranged so

as not to be exposed to trampling, attaching, or pulling out of the circuit.

Do not put device on the wet surface.

Do not connect devices for nondescript powering sources,

Do not damage or crush powering wires.

Do not make connection with wet hands.

Do not adapt, open or make holes in casings of the device!

Do not immerse device in water or no other liquid.

Do not put the fire opened on device sources: candles, an oil lamps and the like.

Complete disable from the supply network is only after disconnecting the power supply circuit voltage.

Do not carry out the assembly or disassembly of the device if it is enabled. This may result to short circuit and damage the device.

The device can not be used for applications that determine human life and health (eg. Medical).

1.3. E LABEL

The CE symbol on the device CEL-MAR means compatibility with electromagnetic compatibility Electromagnetic

Compatibility Directive EM 2014/30/WE. Declaration of Conformity is available by contact with Technical Service

(email: support@cel-mar.pl; phone: +48 41 362-12-46)..

1.4. ENVIRONMENTAL PRESERVATION

This sign on the device inform about putting expended device with other waste materials. Device should send to the

recycling. (In accordance with the act about the Electronic Appliance Expended from day 29 of July 2005)

1.5. SERVI E AND MAINTENAN E

The ADA-401WP module does not require the servicing and maintenance.

Technical support is available at number +48 41 362-12-46 in 8.00-16.00, from Monday to Friday or e-mail support@cel-mar.pl.

1.6. PA K ONTENTS

Module is delivered with: User Manual, Line terminators 120W (2 pcs), CD-ROM with ADAUtil software.

2. PRODU T INFORMATION

2.1. PROPERTIES

●Possibility of creating networks on the basis of RS485 bus to which are being connected 1-wire sensors,

●1-WIRE to MODBUS-RTU protocol conversion,

●Supporting 1-WIRE interface circuits: DS1820, DS18S20, DS18B20, DS1822, DS2438Z, DS2401.

●Temperature, humidity and atmospheric pressure measurement from the 64 digital sensors,

●300m 1-WIRE bus distance - depend on sensor's number and connection method of them and cables,

●Accuracy dependent on sensor's selection: for DS1820, DS18S20 – 0,50°C; for DS18B20, DS1822 – 0,0625°C,

●RS-485 network baud rate up to 230,4 kbps,

●1-WIRE network baud rate: Standard up to 16,3 kbps, Overdrive up to 142 kbps,

●Stable power supply 10-30 VDC, power consumption up to 3W, depend on sensors number and type,

●3kV= galvanic isolation between RS-485 interface and power supply,

●~3kV= opto-isolation in signal channel between RS-485 and 1-WIRE interface,

●Protection against power supply reverse connection,

●Integrated short circuit protection and over-voltage protection on RS-485 and 1-WIRE networks,

●Screw terminal block connectors for all connections,

●DIN 43880 standard - mounting in typical electro-installation unit,

●Rail mounting according to DIN35 / TS35 standard,

●Dimensions (W x D x H) 53mm x 62mm x 90mm.

ADA-401WP

2.2. DES RIPTION

The use of 1 wire digital sensors eliminates the influence of cable length on the measurement process that usual affects analog

methods of temperature, humidity or pressure measurement and signal processing. Digital sensors transmit the measure value by

data transfer protocol and this simplifies connection wiring of a large number of sensors and improves the detection of faulty

components. Traditionally, it has been difficult to operate 1-WIRE data bus sensors in industrial environments. The solution to this

problem is ADA-401WP addressable measurement module with MODBUS-RTU protocol. The ADA-401WP is robust and modular in

design to operate 1-WIRE sensors in a industrial controller environment.

Using ADA-401WP as a addressable node of 1-WIRE bus lets extend the distance up to 1200m between 1-WIRE devices and PC

with monitoring software e.g. SCADA or other MASTER type device (PLC controller). ADA-401WP is equipped with a screw terminal

blocks for twisted pair connections 1-Wire bus and RS-485, as well as for power. Overvoltage protection on each RS-485 line is made

on the basis of 600W protectors diodes and fuses. To RS485 Bus can be connected 32 devices ADA-401WP.Additional converter

like ADA-I1040 (RS232 to RS485) or ADA-I9140 (USB to RS485) enables monitoring of the modules via RS232 or USB interface of

PC with software as AdaUtil or SCADA.

Using:

- the ADA-4040 repeater to connect another 32 modules and extend RS485 bus up to 1200m,- the ADA-4044H HUB RS485, to

connect up to 128 modules, change RS485 bus topology from linear to star - Each arm of the star can have length 1200 meters

- ETHERNET to RS485 converter (ADA-13040) or Wi-Fi to RS485/422 converter (ADA-14040) you can connect ADA-401WP modules

of any location to monitoring or controlling systems.

The ADA-401WP offers a low power wide input voltage range from an external source of greater than 10V to a maximum of 30V and

can be delivered from power pack (e.g. DR-15-12). The module has built in reverse polarity protection to protection against opposite

polarization of power supply.

Fig. 1. ADA-401WP view

ADA-401WP

62mm

Power Supply

10 - 30 VDC

90mm

53mm

10mm 10mm

(SW1)

GND

TX+ /A

TX- /B

RX+

RX-

(RS485/RS422)

RS-485 4-wires

or RS-422

RS-485

2-wires

VDD

1-W

GND

(1-WIRE)

V -

V +

10 – 30

VDC

1-WIRE bus

PWRTXRX

ADA-401WP

MEASURING MODULE

1-WIRE TO MODBUS-RTU

1-WIRE

2.3. APPLI ATION

ADA-401WP measurement module is ideal for applications involving:

- multi-point temperature registration and control,

- controlling of functioning of air-conditioning and heating

- temperature monitoring for HACCP norm,

- temperature monitoring in cereal silo, storehouses, cold stores, drying rooms,

- intelligent buildings.

2.4. ISOLATION

ADA-401WP has 2-way 3kV= galvanic isolation.

Fig 2. Isolation structure in ADA-401WP

3. INSTALLATION

This chapter will show how to use and connect ADA-401WP to computer, RS485/RS422 networks, 1-WIRE network and power

supply. In the purpose of minimization of disruptions from environment is being recommended to:

●apply multipair type shielded cables, which shield can be connected to the earthing on one end of the cable,

●arrange signal cables in the distance not shorter than 25 cm from powering cables.

●apply cable for the power of adequate cross-section due to voltage drops for converter powering,

●not supply converter from power circuit device that generates large impulse interference such as transmitters, contactors,

3.1. ASSEMBLING

ADA-401WP enclosure is adapted to assembly on TS-35 (DIN35) rail. To install should be mounted device on the rail, upper part of

the enclosure, then press bottom part to hear characteristic „Click” sound.

3.2. ONNE TION TO OMPUTER

Use a RS232 to RS485 converter (like ADA-I1040), or USB to RS485 (like ADA-I9140) to connect ADA-401WP module to computer.

Fig.3 and Fig.4 (below) shows example connection.

3.3. ONNE TION TO RS485 / RS422 NETWORK

It is possible to connect 32 devices to RS485 network according to EIA-485 standard with total cable length of 1200m. To extend

length of the network or increase the number of device should be used repeater or hub eg. ADA-4040, ADA-4044H.

Typical connections of ADA-401WP to RS485 network are shown on figure below.

Fig 3. Example connection to RS485 4-wire network

ADA-401WP

POWER SUPPLY

10 - 30VDC

1-WIRERS485/RS422

2-WAY ISOLATION

(5) GND

GND

(2) Rx

(3) Tx

ADA-401WP

RS232

onnector

RS485/RS422

onnector RS485(4W) Bus

RS232

onnector

P ADA-I1040

ADA-401WPADA-401WP

GND (5)

Tx (2)

Rx (3)

Rx+

Rx-

Tx+/ A

Tx-/ B

Fig 4. Example connection to RS485 2-wire network

3.3.1. GND TERMINAL ONNE TION

Connection of GND terminals of RS485/422 interfaces, devices connected to RS485/422 bus, should be done in the case of a

potential difference of the signals grounds on interfaces RS485 / RS422, which prevents proper data transmission.

annot connect to the GND terminal - cables screens, PE circuit of electrical installation, signals grounds of other devices.

3.3.2. LINE TERMINATION

Using Line Termination (terminator) Rt = 120W will reduce electrical reflection in data line at high baud rate. It is not needed below

9600Bd. Should be used Line Termination resistor if the distance is over 1000m @ 9600Bd or 700m @ 19200Bd transmission.

Example connection of Rt (connected to screw terminal block of RS485/422 interface) are shown on Fig. 3 & 4.

3.4. ONNE TION TO 1-WIRE NETWORK

3.4.1. ONNE TION TEMPERATURE SENSORS

Connections of 1-wire temperature sensors to ADA-401WP module are shown below.

Fig 5. Sensor connection to ADA-401WP module with (3-wire) 1-WIRE network

ADA-401WP

(5) GND

GND

(2) Rx

(3) Tx

ADA-I1040

GND (5)

Tx (2)

Rx (3) Rt

Rx+

Rx-

Tx+/ A

Tx-/ B

ADA-401WP

RS485(2W) Bus

ADA-401WP ADA-401WP

RS232

onnector

RS485/RS422

onnector

RS232

onnector

V+

1-WIRE

onnector

RS485/RS422

onnector 1-WIRE (3W) Bus

ADA-401WP

VDD

GND

1-W

Rx+

10–30VDC

Tx+/ A

Tx-/ B

GND

Rx-

Power Supply

Vss-

Vss+

V-

DS18B20 Sensor DS18B20 Sensor DS18B20 Sensor

Fig 6. Sensor connection to ADA-401WP module with (2-wire) 1-WIRE network

3.4.2. SUPPORTED SENSORS WITH 1-WIRE INTERFA E

To ADA-401WP module can be connected devices like :

–based on circuits: DS1820, DS18S20, DS18B20, DS1822, DS2438Z, DS2401,

–temperature sensors DTS-103 & DTS107,

–environmental parameter sensor DES-200 (temperature, relative humidity, atmospheric pressure),

–environmental parameter sensor DES-216 (temperature, relative humidity, atmospheric pressure, lighting),

–environmental parameter sensor DES-300 (temperature, relative humidity, atmospheric pressure, lighting, sunlight, CO2

concentration),

–PT100 sensor to 1-WIRE converter DES-216-PT100,

–PT500 sensor to 1-WIRE converter DES-216-PT500,

–PT1000 sensor to 1-WIRE converter DES-216-PT1000,

–Analog signal 0-10V DC to 1-WIRE converter DES-216-U,

–Analog signal 0-20mA DC to 1-WIRE converter DES-216-I,

Method of connection above sensors to ADA-401WP is shown in user manuals of above devices.

3.4.3. SUPPORTED IR UITS WITH 1-WIRE INTERFA E

ADA-401WP module supports 1-WIRE interface circuits like: DS1820, DS18S20, DS18B20, DS1822, DS2438Z, DS2401.

In preparation DS2401 circuit.

3.4.4. 1-WIRE NETWORK LIMITATION

The maximum length of 1-WIRE network as layouts producer can be even 400m and the maximum number of sensors can be 500.

However, when building the network, remember that, each sensor is a shortening of 0,5 meters and 100 meters of cable causes

additional capacity load data line 5nF increasing signal distortion.

The real 1-WIRE network length and number of sensors will be less and will depend on:

–type of cables,

–topology connections,

–quality connections,

–interference from external electromagnetic fields.

RE OMMENDATIONS :

–using one type of the cable, we recommend computer twisted cables UTP 4x2x0,5, for 1-WIRE bus,

–1-WIRE network connection in linear topology or use the passive 1-WIRE network splitter DNB-400,

–ending the 1-WIRE network by sensor,

–connecting unused wires and screen cable to PE rail of electrical installation.

–powering ADA-401WP module from individual power supply.

3.5. POWER SUPPLY ONNE TION

The power supply to ADA-401WP module should be DC (regulated) from 10 V to 30V and minimum nominal power should be 3W,

e.g. ZS-12/250 or DR-15-12. Power cable from DC power supplies to device must not be longer than 3m.

Observe the polarity, connect positive (+) of DC power supplies to V+ and negative (-) end to V- terminal. ADA-401WP has the

protection from opposite connection power supply. If after power, on the front panel is not lit green LED PWR, check the power

connection (polarity).

ADA-401WP

VDD

GND

1-W

Rx+

Tx+/ A

Tx-/ B

GND

Rx-

Vss-

Vss+

V+

10–30VDC

V-

1-WIRE (2W) Bus

1-WIRE

onnector

RS485/RS422

onnector

Power Supply DS18B20 Sensor DS18B20 Sensor DS18B20 Sensor

4. A TIVATION

After properly connection according to section above the module can be powered. Once activated the green LED PWR on front panel

of the module should light. If after connection power supply LED will not light green, check the correctness of connecting power

supply. When data is present on the 1-WIRE bus the Tx and Rx LED should blink. A summary table of LED indications is listed below.

LED Description

PWR Signalization of Power Supply

Rx Signalization of data transmission from ADA-401WP through 1-WIRE interface

Tx Signalization of data receiving by ADA-401WP from 1-WIRE interface

4.1. ERRORS SIGNALIZATION

When works ADA-401WP module, may signal a short sound for different types of errors like:

- errors of sensors searching,

- errors of reading temperature from sensors,

- errors in RS485 communication,

- errors of CRC sensors serial number,

- short circuit on 1-WIRE network,

- no sensor,

- no 1-WIRE network controller.

The reasons of those errors can be found in ADAUtil software, checking:

- RS485 interface Diagnosis,

- 1-WIRE interface Diagnostic,

- System Diagnostic,

- Measurement channels Diagnostic

5. ONFIGURATION

Configuration of ADA-401WP module should be made by the use of ADAUtil software – delivered whit the module.

To make configuration, connect ADA-401WP to a PC (according to point CONNECTION TO COMPUTER) and be the power. If after

power, on the front panel is not lit green LED PWR, check the power connection (polarity).

Once powered correctly, the module must be set to configuration mode by the use of the switch SW1, as shown in the table below.

SW1-1 SW1-2

ON OFF

Yellow LED will blink with frequency 1 Hz. The yellow LED is located alongside the SW1 switch, under the upper terminal block

connector cover.

5.1. OPERATING MODES

All available modes are shown in table below:

SW1- 1 SW1- 2 Mode

OFF OFF Run (Modbus)

OFF ON Factory Default (see chapter FACTORY DEFAULT)

ON OFF Configuration, Firmware Update (see chapter FIRMWARE UPDATE)

ON ON Emergency Firmware Update (see chapter EMERGENCY FIRMWARE UPDATE.)

To select operating mode, the SW1 micro-switch should be set in correct position. This micro-switch is available after removing upper

terminal block cover (Fig. 1).

ADA-401WP

5.2. GENERAL ONFIGURATION

Fig 7. View of general configuration ADAUtil window

Main configuration is started by setting SW1 micro switch in configuration mode as follows:

SW1-1 SW1-2

ON OFF

Yellow LED will blink with frequency 1 Hz.

Run ADAUtil software and select branch onfiguration=> ommunication on left panel and on right select COM port used for

module configuration. Then select branch onfiguration=> ommunication=>ADA-401WP on left panel and on right press [Read

onfiguration form Module]. Set the parameters in the following sections.

5.2.1. SYSTEM ALARMS

Section System Alarms has option:

Enabling sound alarm for module error operation – enable or disable (disable - manufacturer setting).

Errors that are signalled by short sound:

–errors of sensors searching,

–errors of reading temperature from sensors,

–errors in RS485 communication,

–errors of CRC sensors serial number,

–short circuit on 1-WIRE bus,

–no sensor,

–no 1-WIRE bus controller.

5.2.2. RS485 ONFIGURATION

Section RS485 bus has options:

–ommunication Protocol - allows choice of protocol (at the moment available - MODBUS RTU-SLAVE)),

–Module address – setting module address for selected protocol from range 1 to 247 (64 - manufacturer setting),

–Baud rate: 300bps – 230400bps (9600bps – factory default),

–Data bits number: 8 bits (readout only),

–Parity control: none, even parity, different parity, (non – factory default),

–Stop bits number: 1-bit or 2-bits (1-Bit – factory default),

–Interval between frames in bytes: 4 – 255, for MODBUS RTU protocol 4-character – factory default.

ADA-401WP

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