Omron OMNUC W R88A-NCW152-DRT, Manual

Page: 136 / 292

6.5 Remote I/O Communications
6-39
6
„ Alarm Read Command (Command Code: 1100, C Hex)
The Alarm Read Command reads the last four alarms that have occurred on the W-series
Servo Driver and the DeviceNet Unit. Refer to
10.3 Alarm/Warning Codes and Error Codes
for Message Communications to check alarms.
To use the Alarm Read Command, make the command code settings and then change the
Command Start Command from 0 to 1.
Table 6.19 Commands for Alarm Read Command
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0
1 0 ALRST STOP 0 0 SVON C_STRT
1
0 C Hex
2
0
3
4
0
5
6
7
Table 6.20 Responses for Alarm Read Command
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
0
1 READY PWRON STOP_R ALRM WARN SVON_R C_STRT_R
1
0 C Hex
2
0
3
4
Last alarm code
5
Second last alarm code
6
Third last alarm code
7
Fourth last alarm code