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WI-I/O-EX-1-S-xx Quick Setup Guide - Connections
WI-I/O-EX-1-S-xx INSTALL V1.12.pdf
Connection to Modbus Master
ADDRESSING
Connection to I/O-Series Radio
Set a unique Modbus slave address for each
WI-I/O-EX-1-S-xx connected to the Modbus Master
x1
x10
ADDRESSING Address switches must be 00 for WI-Series
protocol
Example shows address “00”
Setup using Weidmuller WI-Series configuration
utility.
x1
x10
Example shows address “01”
Consult user manual for Modbus addresses
POWER
B A
Power
Supply
Modbus
Master
- +
Power Connections:
„+‟ : Pos Supply (10.8 to 30 VDC**)
+
-
Weidmuller February 2010 V1.12
„-‟ : Neg Supply
POWER
B A
Power
Supply
+
I/O-Series
Radio
- +
Power Connections:
„+‟ : Pos Supply (10.8 to 30 VDC**)
-
„-‟ : Neg Supply
Supply
WI-I/O-EX-1-S-11: 300mA max
WI-I/O-EX-1-S-12: 900mA max
WI-I/O-EX-1-S-13: 900mA max
Power
Power
Modbus
Modbus
**Check rear label for
operating voltages
Earth
Earth
Earth
Earth
B A
RS485 Termination
switch up (terminated)
or
120Ω Fitted across
RS485
A
B
- +
ON
RS485
termination
switch
Modbus
Master
Power
RS485
Power
Power
WI-I/O-EX-1-S-11: 300mA max
WI-I/O-EX-1-S-12: 900mA max
WI-I/O-EX-1-S-13: 900mA max
**Check rear label for
operating voltages
Earth
Battery
Earth
Earth
Earth
EARTH wiring minimum 2mm² - 14 AWG
EARTH wiring minimum 2mm² - 14 AWG
Up = terminated
Down = un-terminated
Earth
RS485
Ensure all earth connections are at the same potential.
Ensure all earth connections are at the same potential.
RS485
_
+
Modbus
Earth
Power
RS485
RS485
A, B: Connect RS485
(Modbus)
Down = un-terminated
Power and
Modbus
connector
WI-I/O-EX1-S-xx
WI-I/O-EX1-S-xx
A
A
A
B
B
RS485
Termination
switch up
(terminated)
RS485
Termination
switch up
(terminated)
- +
A, B: Connect RS485
(I/O Series Radio)
ON
RS485
Termination
switch
WI-I/O-EX1-S-xx
B
B A
Up = terminated
Power and
Modbus
connector
I/O-Series
Radio
WI-I/O-EX1-S-xx
WI-I/O-EX1-S-xx
WI-I/O-EX1-S-xx
A
A
A
A
B
B
B
B
RS485
Termination
switch up
(terminated)
WI-I/O-EX-1-S-xx Quick Setup Guide - Wiring
WI-IO-EX-1-s-xx INSTALL V1.12.vsd
Weidmuller February 2010 V1.12
THIS EQUIPMENT IS SUITABLE FOR USE IN CLASS 1 DIVISION 2 GROUPS ABC AND D OR NON HAZARDOUS LOCATIONS ONLY.
WI-I/O-EX-1-S-11
WI-I/O-EX-1-S-12
WI-I/O-EX-1-S-13
WARNING !
DIGITAL
INPUTS
Ensure correct DIP switch positions AND
software configuration has been completed for
each analogue input BEFORE connecting
external signals to the WI-I/O-EX-1-S-12 module.
WI-I/O-EX-1-S-11
V+
Loop powered
sensor
Power
-+
Supply
AIN2
AIN2
V-
+
-
V-
+
Externally
powered sensor
DIFFERENTIAL
VOLTAGE INPUTS
GND
V-
WI-I/O-EX-1-S-13
V-
(Select using DIP switches AND
config software)
AIN1
+
+
Sensors with
voltage
signals
AI-
AIN3
PLC VOLTAGE
INPUT
ALS +24V
AIN1
ALS +24V
AIN2
AOT1
AIN4
AI
AOT2
+
-
+
GND
GND
V-
PLC
GND
WI-I/O-EX-1-S-13
Sensor with
voltage signal
AIN2
+
(Select using config software)
WI-I/O-EX-1-S-12
ALS +24V
-
VOLTAGE OUTPUT
WI-I/O-EX-1-S-12
-
AI+
ALS +24V
AOT1
SINGLE ENDED
VOLTAGE INPUTS
(Select using DIP switches AND
config software)
Max 30VDC
200mA
-
GND
AOT2
+
COM
(Select using config software)
AIN4
GND
+
CURRENT SINK OUTPUT
AIN3
DIGITAL
OUTPUTS
DIO1
GND
-+
ALS +24V
AIN1
Externally
powered sensor
DC
Load
AOT2
WI-I/O-EX-1-S-12
AIN1
ALS +24V
GND
PLC
AI
AOT1
(Default configuration)
Loop powered
WI-I/O-EX-1-S-12
sensor
V-
V-
SINGLE ENDED
CURRENT INPUTS
(Select using DIP switches AND
config software)
Transistor
switch
device
DIO2
ALS +24V
DIFFERENTIAL
CURRENT INPUTS
DIO2
WI-I/O-EX-1-S-11
(Default configuration)
WI-I/O-EX-1-S-13
V+
DIO1
Voltage free
contact
CURRENT SOURCE OUTPUT
V-
V-
GND
-
WARNING! - EXPLOSION HAZARD - DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE NON HAZARDOUS
COM
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