COTRUST CTH200 Series User Manual

CTH200 Series PLC User Manual
133
6.1.4 Diagnosis
Use indicator of SM 277C/E10 and MagicWorks PLC SMB status word to diagnose CANopen
master-slave network.
Diagnose by hardware
SM277C LED status
After powered, the POWER LED of SM 277C indicating "ON" (green) will light up.
If the BF and SF LED lights remain off, then SM 277C is functioning normally.
If the BF or SF LED lights up or flickers, there is an error in hardware configuration or wiring. If the
operation of the main system is trouble-free, the cause of the error can be referred to the
following table:
Table 6-4 SM 277C LED function
LED
On
Off
Flicker
Note
ON
Power on
No power
---
Power
indicator
SF
IO expansion
module no error
IO expansion
module no error
---
System
error
BF
No CAN network
No CAN network
Inconsistent configuration
Bus error
E10 CANopen communication indicator light
If the slave station connect to E10 servo, the E10 CANopen communication indicator light keep
off before the communication connection. The indicator light on if the communication succeed,
indicating that the CANopen communication is normal., the CANopen communication indicator
light turn off if the CANopen communication is abnormal.
E10 CANopen communication indicator light:
Diagnose by MagicWorks PLC
CTH200 series PLC is allocated with 100 bytes SM. Users can get error information by viewing
status bytes. The meaning of CAN site status word is shown in the following table:
Power LED
Warning LED
Warning LED
Instruction pulse/CANopen communication LED
Warning LED

COTRUST CTH200 Series Specifications

General

Brand	COTRUST
Model	CTH200 Series
Category	Controller
Language	English