Entes GEM-15 RTU Manuel utilisateur

GEM-15 RTU

Safety Conditions

WARNING: To operate the device without any malfunctions and to keep the warranty

right, this user manual must be complied. Therefore, this user manual must be read carefully

before the commissioning of the device! Since this user manual contains important information

about the device settings and functions, it must be kept in a place near the device.

Warnings

The device doesn’t contain any auxiliary power supply. Our company cannot be held

responsible for faults arising from power outages.

The device must be energized after all its connections are checked.

The fuse that is used must be Super-Quick-Acting FF type and its current limit value

must be 1 A.

Device is only for rail mounting.

The cover of the device must not be removed after it has been energized.

The device must be kept away from environments with high humidity, vibrations or

dust.

The device must be operated between -20 ° C and 50 ° C temperatures.

Damaged devices should under no circumstances be installed and commissioned.

The device should not be cleaned with cleaning products containing solvents () or

abrasive materials.

The device should be cleaned only with a dry cloth.

The device should only be serviced by the authorized seller.

Installation and electrical connections must be done by the technicians at the site by

following the instructions in the user manual.

GEM-15 RTU

The manufacturer can’t be held responsible for the consequences resulting from failure

to comply with these warnings. If these warnings are ignored, the device will not

qualify for warranty.

Index

1Introduction .....................................................................................Hata! Yer işareti tanımlanmamış.

1.1 Usage Areas .............................................................................Hata! Yer işareti tanımlanmamış.

1.2 General Features.....................................................................Hata! Yer işareti tanımlanmamış.

1.3 Technical Features..................................................................Hata! Yer işareti tanımlanmamış.

1.3.1 Modbus Gateway Feature:..................................................................................................................... 7

1.3.2 Automatic MODBUS-RTU Querying................................................................................................... 7

1.3.3 Alarm Control: ...................................................................................................................................... 9

1.3.4 Data Recording:..................................................................................................................................... 9

1.3.5 Input/Output Terminals.................................................................. Hata! Yer işareti tanımlanmamış.

1.4 Applied Standards...........................................................................................................................10

1.5 Front, Side, Back Panels.................................................................................................................11

1.6 Hardware Structure and Features ........................................Hata! Yer işareti tanımlanmamış.

2Device Usage....................................................................................Hata! Yer işareti tanımlanmamış.

2.1 Content of Box.........................................................................Hata! Yer işareti tanımlanmamış.

2.2 Necessary Equipment and Accessories ..................................................................................15

2.3 Mounting..................................................................................Hata! Yer işareti tanımlanmamış.

2.4 Electrical Connections............................................................Hata! Yer işareti tanımlanmamış.

2.5 Inputs and Outputs..................................................................................................................19

2.6 Device Management with PC-based Server Software ..........................................................20

2.6.1 GEM15 Server Software ..................................................................................................................... 20

2.6.2 Main Menu Items and Their Functions ............................................................................................... 20

2.6.3 Modem Settings ............................................................................. Hata! Yer işareti tanımlanmamış.

2.6.4 Starting Settings and Defining the Modem to the Server............... Hata! Yer işareti tanımlanmamış.

2.6.5 Adding The Modem To Be Monitored........................................... Hata! Yer işareti tanımlanmamış.

2.6.6 Modbus Parameter Settings................................................................................................................. 25

2.6.7 Defining Device (Defining RTU)........................................................................................................ 26

2.6.8 Defining Parameter ........................................................................ Hata! Yer işareti tanımlanmamış.

2.6.9 AI/DI/DO/RELAY Settings................................................................................................................ 42

2.6.10 Activating Digital Outputs......................................................... Hata! Yer işareti tanımlanmamış.

2.6.11 Defining Alarm.......................................................................... Hata! Yer işareti tanımlanmamış.

2.6.12 Creating Alarm for Digital Inputs.............................................. Hata! Yer işareti tanımlanmamış.

2.6.13 Creating Alarm for Analog Inputs............................................. Hata! Yer işareti tanımlanmamış.

2.6.14 Creating Modbus Alarm............................................................ Hata! Yer işareti tanımlanmamış.

2.6.15 Settings...................................................................................... Hata! Yer işareti tanımlanmamış.

2.6.16 Date-Time Settings.................................................................... Hata! Yer işareti tanımlanmamış.

2.6.17 Data Record Fields .................................................................... Hata! Yer işareti tanımlanmamış.

2.6.18 Connection Settings................................................................... Hata! Yer işareti tanımlanmamış.

2.6.19 Ethernet, GPRS and Serial Port Settings........................................................................................ 85

2.6.20 Instantaneous Value Monitoring................................................Hata! Yer işareti tanımlanmamış.

2.6.21 DO/RELAY Control Field......................................................... Hata! Yer işareti tanımlanmamış.

GEM-15 RTU

2.6.22 Periodic Parameter Monitoring Window................................... Hata! Yer işareti tanımlanmamış.

2.6.23 Alarm Monitoring Window.......................................................Hata! Yer işareti tanımlanmamış.

2.6.24 Reports....................................................................................... Hata! Yer işareti tanımlanmamış.

2.6.25 Downloading Logs From The Device ....................................... Hata! Yer işareti tanımlanmamış.

2.6.26 Listing........................................................................................ Hata! Yer işareti tanımlanmamış.

2.6.27 Language Selection ................................................................... Hata! Yer işareti tanımlanmamış.

2.6.28 GEM-15 Register Table................................................................................................................ 100

2.6.29 Installing and Updating The Firmware......................................................................................... 102

2.6.30 Necessary Information............................................................... Hata! Yer işareti tanımlanmamış.

3Configuration...................................................................................Hata! Yer işareti tanımlanmamış.

3.1 Introduction.............................................................................Hata! Yer işareti tanımlanmamış.

3.2 AT COMMAND SET AND SOFTWARE.........................................................................114

3.2.1 AT+ LOCALIP ................................................................................................................................. 114

3.2.2 AT+ MAC......................................................................................................................................... 114

3.2.3 AT+ GATEWAY.............................................................................................................................. 114

3.2.4 AT+ NETMASK............................................................................................................................... 115

3.2.5 AT+ SERVERIP ............................................................................................................................... 115

3.2.6 AT+ SERVERPORT......................................................................................................................... 115

3.2.7 AT+ LISTENPORT .......................................................................................................................... 116

3.2.8 AT+ GPRSAPN ................................................................................................................................ 116

3.2.9 AT+ GPRSNAME ............................................................................................................................ 116

3.2.10 AT+GPRSPSSW.......................................................................................................................... 117

3.2.11 AT+ GPRSIP................................................................................................................................ 117

3.2.12 AT+ COMTYPE .......................................................................................................................... 117

3.2.13 AT+ RTUSETTING..................................................................................................................... 117

3.2.14 AT+ PROTOCOL ........................................................................................................................ 118

3.2.15 AT+ VERSION ............................................................................................................................ 118

3.2.16 AT+ SERIALNO.......................................................................................................................... 118

3.2.17 AT+ CONNECTION.................................................................................................................... 118

3.2.18 AT+ CSQ...................................................................................................................................... 119

3.2.19 AT+ DEFAULT ........................................................................................................................... 119

3.2.20 AT+ SETTIME............................................................................................................................. 120

3.2.21 AT+ FORMATFS ........................................................................................................................ 120

3.2.22 AT+ RESET ................................................................................................................................. 120

3.2.23 Installing USB Drivers For AT Command Software.................................................................... 120

3.2.24 Learning The Defined COM Port Of Your Modem ..................................................................... 123

3.2.25 Configuration with AT Command Console via Hyper Terminal ................................................. 124

3.2.26 MikroTerminal Software Installation via Local USB................................................................... 131

3.2.27 Using MikroTerminal Software.................................................................................................... 135

4Troubleshooting...............................................................................................................................139

5Help..................................................................................................Hata! Yer işareti tanımlanmamış.

GEM-15 RTU

1Introduction

GEM-15 modemRTU is a professional device that collects a combination of features, such as

alarm management, automatic RTU query, data logging, MODBUS protocol conversion, TCP/IP

communication via GSM and Ethernet network and smart relay.

1.1 Usage Areas

Since GEM-15 supports GSM infrastructure; it can be used for monitoring, alarm and control

purposes at hard-to-reach places such as where there’s no Ethernet connection, water discharge

station and wells, oil pipelines, cell towers. The device can be a solution at many areas where mobile

monitoring and control is needed such as bank branches, ATMs, server rooms, cold rooms in health

and food sectors, industrial processes, agricultural irrigation, monitoring of electrical and natural gas

energy, transportation sector, terrestrial broadcasting stations, cell towers, chain stores.

1.2 General Features

Some of the superior features that the device has are listed below.

1. Creating MODBUS gateway

2. Automatic MODBUS-RTU querying

3. Alarm management

4. Smart Relay

5. Data logging

6. Input/Output terminals

7. SMS sending

8. TCP/IP communication via GPRS

9. TCP/IP communication via Ethernet

GEM-15 RTU

1.3 Technical Features

General

Supply

9-36 VDC, protected

Power

< 5 W

CPU Clock Speed

80 MHz

RTC (Real Time Clock)

Available

Input Filters

Median and mean filters are applied at

analog inputs.

Analog low pass filter is available at

digital inputs. Software-based debounce

control filter is also available.

Digital I/O Frequency

Digital Outputs:

OFF to ON Response 32 µs

ON to OFF Response 150 µs

Digital Inputs:

OFF to ON Response < 2 ms

ON to OFF Response < 12 ms

ADC Sampling Period

640 SPS (sample per second) per channel. 4

SPS after filtering operations

Program Uploading

Possibility of updating firmware and software

via USB

Communication

Interfaces

GSM

GPRS, MODBUS TCP support

Serial Port (RS485)

15 kV ESD protection, galvanic isolation,

MODBUS RTU

Environment

Conditions

Operating Temperature

-20°..50° C

Storing Temperature

-40°..85° C

Humidity

5..95Rh

Operating Altitude

< 2000m

Integrated

Inputs/

Outputs

Digital Inputs

Module Input

4 (Sink)

Voltage Range

0-50VDC

ON Voltage level

5 VDC - 50 VDC

OFF Voltage level

0- 3 VDC

GEM-15 RTU

Input Current

Type 0.70 mA 24 VDC

Max. Input Current

1.50 mA 50 VDC

Input Impedance

>3.3 MΩ

Input GND common

lead

1(4 points/common) Isolated

Max. drawn current

(24VDC)

Max. 5.6 mA(All Inputs On)

Max. drawn current

(50VDC)

Max. 12.04 mA(All Inputs On)

OFF to ON Response

< 2 ms

ON to OFF Response

< 12 ms

Insulation

1KV

Digital Outputs

Module Output

Output with 4(Sink) Transistors

Voltage Range

3.3 - 50 VDC

Max. Output Current

125 mA/point , 500 mA/common

Min. Output Current

0.42 mA/point , 1.68 mA/ common(3.3 V)

Max. Leakage Current

0.01 mA

Voltage Drop

2.3 VDC @ 0.76 mA

OFF to ON Response

32 µs

ON to OFF Response

150 µs

Input GND common

lead

1 (4 points/common) Isolated

Auxiliary Voltage

Input

5- 50 VDC Max 48 mA(All Outputs On)

Max. Drawn Current

Max. 0.5 A (All Outputs On)

Analog Inputs

Module Current Input

Module Voltage Input

Current Input

Accuracy

1% accuracy, 12Bit resolution

Voltage Input

Accuracy

1% accuracy, 12Bit resolution

Current Input

0(4)-20mA

Input Resistance (A)

120 OHM

Voltage Input

0(2)-10V

GEM-15 RTU

Input Resistance (V)

40 KOHM

Input GND common

lead

1(4 points/common)

Relay

Outputs

Module Output

4 relays

Relay Contact Outputs

Com-NO (Normally Open)

Max. Contact Current

3A@250VAC 3A@30VDC

Log

Log recording time

resolution

Log record capacity

Recording 19600 separate parameter with

time-stamp and parameter information

Alarm log recording:

Storing parameter with time-stamp at the start

and end instances

Table 1 Technical Features

1.3.1 Modbus Gateway Feature:

The device will basically have two communication interfaces. One of these interfaces is local

network. On local network, RS485 is used as the physical layer and MODBUS-RTU protocol is

supported. Slave devices that are going to be controlled or whose data are going to be read are

connected to this network. For the other communication interface, GPRS and/or Ethernet

technologies are used as the physical layer and MODBUS-RTU protocol is supported.

Communication with servers and SCADA systems is established via this second interface.

When the device works in MODBUS GATEWAY mode, it adds the packet that it took from

MODBUS-TCP interface to a queue, then converts the MODBUS-TCP request packet to MODBUS-

RTU request packet by taking it from the queue one by one and sends it to local network on RS485.

The slave device on the local network creates the MODBUS-RTU response packet for this request

packet and sends it. Then, the MODBUS GATEWAY device sends this response that it received

from RS485 interface to the related point by converting it to MODBUS-TCP packet.

1.3.2 Automatic MODBUS-RTU Querying

One of the most important features of the device is automatic querying. 247 pieces of RTUs can

be connected to each device (modem) with RS-485. In addition to creating bridge between

MODBUS RTU and MODBUS TCP, it queries the defined MODBUS registers in defined time

intervals and can automatically manage functions such as sending information to server according to

incoming responses, recording time-stamps and alarm management.

GEM-15 RTU

MODBUS RTUs to be queried and information about the registers of these RTUs are created in

a file called querying table and loaded to the device. Queries defined in this file are carried out

automatically by the device.

The time interval to make automatic queries can be defined by the user in minutes. Thanks to

the automatic querying mechanism to be developed:

Communication load between server and MODBUS GATEWAY device decreases

significantly.

Real-time alarm management can be done.

A distributed alarm architecture is created by transferring the workload from the server to

the device. By this means, a more reliable tracking/management solution is provided.

Figure 1 Automatic Querying

In the traditional method, many messages must be transmitted on the system when alarm management

is done from the server.

Message transmitting happens as below:

Server sends the MODBUS-TCP request message to MODBUS GATEWAY.

MODBUS GATEWAY analyzes the arriving MODBUS-TCP request message and

sends the MODBUS RTU request message to RTU.

RTU responds to the MODBUS RTU request message.

This response is converted to MODBUS-TCP response by the MODBUS GATEWAY

and sent to the server.

GEM-15 RTU

Server analyzes the received response. If alarm control is going to be done, it is done at

this level. Necessary control message is sent again.

Not only the management and alarm control processes are done more quickly and securely with

the device, but less message transmission occurs in the system. This means immediate alarm

management and a more economical solution.

Management process for the developed device occurs as below:

MODBUS GATEWAY device sends the query message to the RTU automatically.

RTU sends the response message.

MODBUS GATEWAY inspects this response and carries out the necessary processes

immediately when an alarm happens. These processes can be triggering the digital outputs of

the device, closing the output relays or sending SMS.

If an alarm is detected, the server is informed by sending an additional information message.

1.3.3 Alarm Control:

The device queries the registers of MODBUS RTUs that have been defined by the user in an

adjustable interval and does alarm control by comparing the register value with the defined limit

values as inside range, outside range, smaller than and greater than.

Additionally, alarms can be defined for the device’s digital input/output units and analog

inputs. Device’s inputs and MODBUS alarm conditions can be processed with an AND function and

assigned to the outputs of the device. After the analog input values are corrected with a set of

coefficients (as y = mx + c where m and c are parametric coefficients), they are processed as entries

for the alarm control process as inside range, outside range, smaller than and greater than.

If an alarm occurs after the comparison processes, triggering options such as digital outputs,

relay outputs, sending SMS or sending TCP message can be carried out.

1.3.4 Data recording:

The device can record the defined registers of the RTUs that are connected to it, the states of

analog inputs and digital/analog outputs to its internal memory in a user-specified interval by adding

time-stamp information.

1.3.5 Input/output Terminals

The device has optically-isolated internal digital inputs/outputs. All digital inputs/outputs and

analog inputs of the device are accessible as internal MODBUS registers.

GEM-15 RTU

GEM-15 modemRTU works in master mode on Modbus RTU network. MODBUS RTU

parameters (can be different parameters of different devices) that have been defined by the user can be

queried in an adjustable interval and separate functions can be assigned for each queried parameter. By

this means, real-time querying and alarm management is achieved.

1.4 Applied Standards

Vibration Test IEC (60068-2-6) is the standard process to determine the resistance of device

and other equipment against determined sinusoidal vibration strength levels

Mechanical Shock Test EN (60068-2-27) is the standard process to determine the resistance

against recurring and nonrecurring mechanical shocks at determined strength levels

Climate Test EN (60068-2-2) is the dry heat experiment that can be applied to both heat-

dissipating and non-heat-dissipating experiment samples

Safety Test EN (60950-1) is applicable to mains-powered or battery-powered information

technology equipment, including electrical business equipment and associated equipment,

with a rated voltage not exceeding 600 V

ESD EN (61000-4-2) relates to the immunity requirements and test methods for electrical and

electronic equipment subjected to static electricity discharges, from operators directly, and

from personnel to adjacent objects.

EFT EN (61000-4-4) relates to the immunity requirements and test methods of electrical and

electronic equipment to repetitive electrical fast transients.

Surge (61000-4-5) relates to the immunity requirements, test methods, and range of

recommended test levels for equipment to unidirectional surges caused by overvoltages from

switching and lightning transients.

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