Sensata IWT-128 Series Manuel utilisateur

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

|IWT-128 Series

24V AC or DC POWERED

IWT TRANSMITTER AND BUS CO-ORDINATOR

with 128 channels

Whilst every effort has been taken to ensure the accuracy of this document, we accept no

responsibility for damage, injury, loss, or expense resulting from errors or omissions, and reserve

the right of amendment without notice.

Information for users

This equipment has been tested and found to comply with the limits for a Class B device,

pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a residential installation. This equipment

generates uses and can radiate radio frequency energy, and if not installed and used in

accordance with the instructions, may cause harmful interference to radio

communications. However, there is no guarantee that interference will not occur in a

particular installation. If this equipment does cause harmful interference to radio or

television reception, which can be determined by turning the equipment off and on, the

user is encouraged to try to correct the interference by one or more of the following

measures:

Reorient or relocate the receiving antenna

Increase the separation between the equipment and receiver

Connect the equipment into an outlet on a circuit different from that which the receiver is

connected

Consult the dealer or an experienced radio/TV technician for help

Caution: To satisfy FCC RF Exposure requirements for mobile and base station

transmission devices, a separation distance of 20cm or more should be maintained

between the antenna of this device and persons during operation. To ensure compliance

operation at closer than this distance is not recommended. The antenna used for this

transmitter must not be co-located or operating in conjunction with any other antenna or

transmitter. No other antenna may be used with this equipment other than the antenna

supplied with this equipment.

This document may not be reproduced in any way without the prior written permission of

the company.

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

CONTENTS

IWT-128 ____________________________________________________________ 1

1. INTRODUCTION ___________________________________________________ 3

1.1 Safety Information ___________________________________________________ 3

1.2 Hardware Features __________________________________________________ 3

1.3 Isolation Details _____________________________________________________ 3

2. UNPACKING______________________________________________________ 4

3. QUICK START GUIDE ______________________________________________ 4

3.1 Example 1__________________________________________________________ 4

4. CONNECTIONS ___________________________________________________ 5

5. CONFIGURING THE IWT-128 ________________________________________ 6

5.1 Output Stage _______________________________________________________ 6

5.2 Radio Network Selection______________________________________________ 6

6. CALIBRATING THE IWT-128_________________________________________ 7

6.1 Main menu _________________________________________________________ 7

6.2 Select IWT-128 Channel (1. CHANNEL) __________________________________ 7

6.3 Output Span and Output Zero (2. OUT SPAN and 3. OUT ZERO) _____________ 8

6.4 Display Scaling Values Adjust (4. DSV Cc Pp, 5. DS span, 6. DZ zero)_________ 8

6.5 View Display Scaling Values (7.VIEW DSV)_______________________________ 9

6.6 Display Timer (8.DISPLAY display) _____________________________________ 9

6.7 Age Select (9.AGE age) _______________________________________________ 9

6.8 Transmit Time Period (10.TRANSMIT time) _______________________________ 9

7. ISOSLICE BUS ___________________________________________________ 10

8. INSTALLATION __________________________________________________ 10

9. TROUBLESHOOTING _____________________________________________ 11

9.1 Incorrect Reading __________________________________________________ 11

9.2 Sensor Failure _____________________________________________________ 11

10. SPECIFICATIONS (@ 25°C)________________________________________ 14

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

1. INTRODUCTION

1.1 Safety Information

This manual contains information that must be observed in the interest of your safety and

to avoid damage to assets. Please read this manual before installing and commissioning

the device and keep the manual in an accessible location for all users.

Contains FCC ID: W70MRF24J40MDME

Caution: To satisfy FCC RF Exposure requirements for mobile and base station

transmission devices, a separation distance of 20 cm or more should be maintained

between the antenna of this device and persons during operation. To ensure compliance

operation at closer than this distance is not recommended. The antenna used for this

transmitter must not be co-located or operating in conjunction with any other antenna or

transmitter. No other antenna may be used with this equipment other than the PCB

antenna supplied with this equipment.

Please see the Certifications section for more information on RF Exposure Compliance

1.2 Hardware Features

The IWT-128 Transmitter module allows almost any number of analog or digital input

values to be wirelessly transmitted to a remote receiver with either analog 4-20 mA, 0-10

V, Ethernet, RS-485, or RS-232 outputs.

It can produce 2 types of analog output: voltage and mA source. It provides local control

over analog and digital output Isoslice units.

A built-in display allows local monitoring of the individual inputs and outputs and displays

menu options when the unit is configured.

The unit can be powered by a DC voltage between 16 and 36 V dc or 16 and

32 V ac.

The instrument is packaged in a compact 22.5 mm wide enclosure which can be mounted

on a standard TS35 DIN-rail.

The system can be expanded through the use of optional Isoslice I/O modules. These

modules connect automatically via the DIN rail-mounted bus connector, allowing the easy

addition and removal of extra I/O.

1.3 Isolation Details

The IWT-128 has full 3 port isolation of 1000 V between the Output Stage and Power

Supply for functional reasons.

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

2. UNPACKING

The instrument should be carefully inspected for signs of damage that may have occurred

in transit. In the unlikely case that damage has been sustained, DO NOT use the

instrument, but please retain all packaging for our inspection and contact your supplier

immediately.

3. QUICK START GUIDE

There are several different ways the IWT-128 can be used, here we show a QUICK

START example.

3.1 Example 1

A standard IWT-128 gathers data from 3 Isoslice-2 units and sends this

data every two seconds to the remote receiver,

The standard IWT-128 has no inputs or outputs, so it does not have or need its channel

number.

Refer to the Isoslice-2 installation instructions to allocate channel numbers using the

internal dip switches.

Fit the IWT-128 and the Isoslice-2 units onto the din rail.

Connect up the inputs to the Isoslice-2 units.

Connect up the power to the IWT-128 and switch it on (see section 4).

The IWT-128 will scan the bus, identify the Isoslice-2 units and commence reading them,

and sending data to the remote receiver every two seconds.

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

4. CONNECTIONS

The IWT-128 is housed in a compact DIN rail mounting enclosure, with terminals,

arranged in 4 rows. The Communications ports are on the top and the power supply and

analog output are on the bottom rows.

The diagram below shows how to connect to an IWT-128 with an analog output.

OUTP

16-36Vdc / 16-

+ve

- ve

0-10V 0(4)-

Voltage

Current

Radio

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

5. CONFIGURING THE IWT-128

5.1 Output Stage

If an analog output is fitted the output type is selected with Switch S4.

Output Type

S4 Position

mA Source

Off

Voltage

5.2 Radio Network Selection

Use the 4-way dip switch to select the Network to join. The dip switch must be changed

when the power to the IWT-128 is off.

1 2 3 4 Network Pan Id RF 1 2 3 4 Network Pan Id RF

0 0 0 0 1 6000 21 0 0 0 1 9 6008 14

0 0 1 0 2 6001 22 0 0 1 1 10 6009 15

0 1 0 0 3 6002 23 0 1 0 1 11 600A 16

0 1 1 0 4 6003 24 0 1 1 1 12 600B 17

1 0 0 0 5 6004 25 1 0 0 1 13 600C 18

1 0 1 0 6 6005 11 1 0 1 1 14 600D 19

1 1 0 0 7 6006 12 1 1 0 1 15 600E 20

1 1 1 0 8 6007 13 1 1 1 1 16 600F 21

If the radio stops receiving acknowledgments, it will reset after 10 attempts.

! WARNING !

DO NOT OPEN UNIT OR ADJUST SWITCHES WITH

POWER SUPPLY, INPUT OR OUTPUT CONNECTED

Switch S4

OFF

mA source

Voltage

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

6. CALIBRATING THE IWT-128

When the unit is shipped the IWT-128 will be calibrated for the output type and range

noted on the side label if it is fitted. If this label is blank then the unit will be calibrated for

4-20 mA output.

The display is used to show scaled values of the inputs and outputs in the system, or ON

and OFF for digital inputs and outputs. The left button scrolls through the available

channels, and the right button scrolls through the available parameters. Whilst the button

is held down, the channel number is shown on the left of the screen, and the parameter is

shown on the right. The led on the display will flash every 3 seconds to indicate to the

user that the unit is operating. The display can be configured to remain on all the time or

switch off after 15 minutes.

Data is sent to the remote receiver for each channel at the TRANSMIT time rate.

6.1 Main menu

To access the main menu push and hold both buttons until OK is displayed.

These are the main menu options, use raise and lower buttons to cycle through:

1. CHANNEL (sec 6.2) 6. DZ zero (sec 6.4)

2. OUT SPAN (sec 6.3) 7. VIEW DSV (sec 6.5)

3. OUT ZERO (sec 6.3) 8. DISPLAY time (sec 6.6)

4. DSV Cc Pp (sec 6.4) 9. AGE age (sec 6.7)

5. DS span (sec 6.4) 10. TRANSMIT time (sec 6.8)

Note that menu options 1,2,3 are only available when the output is fitted.

To access the sub-menu of one of the main menu options, use raise or lower to cycle to

the option required then push and release both buttons. Change the parameter as

required.

To return to the main menu, push and release both buttons.

To exit from the main menu and return to run mode, press and hold both buttons for 2

seconds until OK is displayed on the screen.

After two minutes of inactivity from the front buttons when the main menu (or a sub-

menu) had been accessed, a timeout will occur and the unit will automatically return to

run mode.

6.2 Select IWT-128 Channel (1. CHANNEL)

If the IWT-128 has an output it must be allocated a channel number on the system, so

that its data values can be identified correctly by the remote receiver.

The channel number chosen must not be a duplicate of any other device within the

system.

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

Channel numbers can be selected between 1 and 128. By default, the channel number is

12. (The IWR-Port will automatically add channels as it receives data from remote units.

If the IWT-128 channel is changed when the remote receiver is operating, power cycle

the remote receiver to remove data from the now unused channel).

6.3 Output Span and Output Zero (2. OUT SPAN and 3. OUT ZERO)

The output span and output zero values are learned if there is an output fitted to the IWT-

128.

Display

Action

2.OUT SPAN

Press and release both buttons together

Press raise/lower buttons to adjust output value until correct

OS

The tick will appear when a valid value has been learned

Press and release both buttons together to go to the main menu

2.OUT SPAN

Push the raise button once to change the menu item

3.OUT ZERO

Press and release both buttons together

Press raise/lower buttons to adjust output value until correct

OZ

The tick will appear when a valid value has been learned

Press and release both buttons together to go to the main menu

3.OUT ZERO

6.4 Display Scaling Values Adjust (4. DSV Cc Pp, 5. DS span, 6. DZ

zero)

The display can show a scaled numerical value for each parameter of each channel. Scaling values can

be adjusted between –999 and 9999. The default scaling values are 0 to 100. For all channels, all 8

parameters can be changed even if the channel is not used, or the parameter is an output.

Example: To change the scaling of channel 3 parameter 2, from 0 - 100 to 4 - 20:

Display

Action

4.DSV C1 P1

C1 P1 is channel 1 parameter 1

Press and release both buttons together

01 1

Press the lower button to choose the channel (on left: 1 to 32)

03 1

Press the raise button to choose a parameter (on right: 1 to 8)

03 2

Press and release both buttons together

4.DSV C3 P2

C3 P2 is channel 3, parameter 2

Push the raise button once to change the menu item

5.DS 100

Display Span value is 100

Press and release both buttons together

100

Press raise/lower buttons to adjust display span value

Press and release both buttons together

5.DS 20

Display Span value is now 20

Push the raise button once to change the menu item

6.DZ 0

Display Zero value is 0

Press and release both buttons together

Press raise/lower buttons to adjust display zero value

Press and release both buttons together

6.DZ 4

Display Zero value is now 4

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

4.DSV Cc Pp is used to select the channel and parameter that need display values

changing, where c represents the channel and p indicates the parameter.

To select a different channel or parameter enter the submenu. The display will show the

channel on the left and the parameter on the right. The lower button increases the

channel (1 to 32) and the raise button increases the parameter (1 to 8).

For the channel and parameter chosen in menu 3:

5.DS span indicates what the display span value is (span is –999 to 9999)

To change the display span value enter the sub-menu and adjust it.

6.DZ zero indicates what the display zero value is (zero is –999 to 9999)

To change the display zero value enter the sub-menu and adjust it.

6.5 View Display Scaling Values (7.VIEW DSV)

To view all eight parameter scaling values of a particular channel, enter this sub-menu.

The first channel shown will be the one selected in 4.DSV Cc Pp. The scaling values will

be shown in a scrolling message in this format:

e.g. for channel 3:

C3.P1 100,0 P2 20,4 P3 100,0 P4 100,0 P5 100,0 P6 100,0 P7 100,0 P8 100,0

The channel being viewed can be changed using the lower or raise buttons, each press

will cause the scrolling message to begin again, this time for a different channel.

6.6 Display Timer (8.DISPLAY display)

Choose if the display remains on all the time or switches off 15 minutes after a button

was last pressed.

ON Select this to make the display stay on all the time

15 Select this to make the display switch off after 15 minutes

6.7 Age Select (9.AGE age)

The age of a parameter can be counted in seconds or minutes, which will depend on the

update of the wireless sensors concerned. Use this menu to select between

SEC select this to count in seconds

MIN select this to count in minutes

6.8 Transmit Time Period (10.TRANSMIT time)

The update rate for the IWT-128 to transmit data to the IWR-Port can be varied in 0.5-

second increments from every 2 seconds to every 127.5 seconds.

The default is every 2 seconds.

| IWT-128 SERIES

TRANSMITTER AND BUS CO-ORDINATOR OPERATING MANUAL

7. ISOSLICE BUS

If the IWT-128 has an output fitted, it will need to have its own channel number in the

range 1 to 128 (see section 6.2). This channel number must not exist elsewhere in the

system.

Isoslice units connected to the IWT-128 must-have channel numbers that exist nowhere

else within the system.

The Isoslice units are powered by the Din rail mounted bus connectors.

The IWT-128 will scan the bus when it powers up to find Isoslice units that are attached.

Each Isoslice is read twice a second.

If an Isoslice unit needs to be added to the bus, first switch the power off, add the new

Isoslice unit and switch the power on again.

Channels are allocated to wireless devices and Isoslice units within the system, the

channels must not be duplicated.

If scaling data is entered on an IWT-128 that has an Isoslice bus, it will be local to the

display of the IWT-128. The same information would need to be entered on the IWR-Port

as well.

8. INSTALLATION

The IWT-128’s output circuit is classed as Separated Extra Low Voltage (SELV). This

means that they must not be externally connected to voltages exceeding 30 V ac or 60 V

dc, nor do they generate voltages above these limits internally. Where a higher voltage

input is required a specially designed DIVIDER unit can be used to condition the input

signal before connection to the process input terminals.

The IWT-128 unit clips directly onto the ‘Top Hat’ (TS35) symmetrical DIN rail. Ideally, the

mounting orientation should be vertical. Good airflow around the unit will maximize the

reliability of the instrument.

The use of ferrules is recommended for wiring terminations.

Do not exceed terminal torque rating of 0.4 Nm – use an appropriate screwdriver. The

unit can be removed from the DIN rail by sliding a small screwdriver into the slot at the

rear of the enclosure on the lower face and gently levering the metal clip, whilst lifting the

unit from the rail.

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