AutomationDirect C0-USER-M Manual page 13

Table of Contents
W-3: Com Port 3 Wiring .......................................................................................... 4-19
C-1: Com Port 1 (RS-232) Setup ............................................................................. 4-20
C-2: Com Port 1 (Ethernet) Setup .......................................................................... 4-21
C-3: Com Port 2 Setup (Modbus RTU) ................................................................... 4-22
C-4: Com Port 2 Setup (ASCII) ................................................................................ 4-23
C-5: Com Port 3 Setup (Modbus RTU) ................................................................... 4-24
C-6: Com Port 3 Setup (ASCII) ................................................................................ 4-25
P-1: Modbus Slave (Server) Programming ............................................................. 4-26
P-2: Modbus Master Programming (Modbus RTU) ............................................... 4-29
P-3: Modbus Client (Modbus TCP) Programming ................................................. 4-34
P-4: ASCII Receive Programming ............................................................................ 4-40
P-5: ASCII Send Programming ................................................................................ 4-43
Chapter 5 - Maintenance
PLC Maintenance ....................................................................................................... 5-2
Check LED Indicators................................................................................................ 5-2
Project Backup ......................................................................................................... 5-2
Check Operating Environment ................................................................................. 5-2
Check Operating Voltage ......................................................................................... 5-2
Check Physical Condition ......................................................................................... 5-3
Check Project Functionality ...................................................................................... 5-3
Check the PLC Program from CLICK PLC Programming Software ............................ 5-3
Chapter 6 - Troubleshooting
Troubleshooting Direction ........................................................................................ 6-2
PLC Unit Troubleshooting ......................................................................................... 6-3
Toggle Switch .......................................................................................................... 6-3
LED Indicators .......................................................................................................... 6-4
Power Supply Troubleshooting ................................................................................. 6-5
The input voltage measures less than 20VDC ........................................................... 6-5
The input voltage measures greater than 28VDC ..................................................... 6-5
How to check the power budget .............................................................................. 6-5
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CLICK PLC Hardware User Manual, 6th Edition, Rev. E - C0-USER-M