Operating Instructions

Warning Codes
Digital Keypad RT-KEYPAD
283 | 443
Warning setting parameter
N/A
Reset method
Manual Reset
Reset condition
Pr.00-02=7
Record
When Pr.00-21≠3, CFrn is a “Warning”, and the warning is not recorded.
Cause
Corrective Actions
CANopen internal memory error
Disable CANopen (Pr.09-36=0)
Reset CANopen (Pr.00-20=7)
Reset CANopen station address (Pr.09-36)
ID No.
Display on LCD Keypad
Warning Name
Description
43
CANopen SDO
time-out (CSdn)
SDO transmission time-out (only shows on master station)
Action and Reset
Action level
When the CANopen master transmits a SDO command, and the slave response “times-out”,
CSdn warning occurs.
Action time
Immediately act when the fault is detected
Warning setting parameter
N/A
Reset method
When the master resends a SDO command and receives the response, the warning automatically
clears.
Reset condition
N/A
Record
N/A
Cause
Corrective Actions
Slave is not connected
Connect the slave and CANopen BUS.
The synchronous cycle is set too short
Increase the synchronous time (Index 1006)
Malfunction caused by interference
Verify the wiring and grounding of the communication circuit. It is recommended to separate the
communication circuit from the main circuit, or wire in 90 degree for effective anti-interference
performance.
Make sure the communication circuit is wired in series.
Use CANopen cable or add terminating resistance.
Disconnection or bad connection of the
communication cable
Check the status of the cable, or replace the cable.
ID No.
Display on LCD Keypad
Warning Name
Description
44
CANopen SDO
receives register overflow
(CSbn)
CANopen SDO receives register overflow
Action and Reset
Action level
The upper unit sends too much SDO at one time and causes buffer overflow
Action time
Immediately act when the fault is detected
Warning setting parameter
N/A