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