Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 500

DeviceNet Explicit Messages
External Load Disconnected Detection Monitoring
Explicit Read/
message write
External Read Reads the external load
Load Dis- disconnection status of
connected the output (No. 1 to 32)
Detection specified by the
Status Instance ID.
(Screw-less
Clamp Ter-
minal Out-
put and I/O
Units only)
External Read Reads the external load
Load Dis- disconnection status for
connected all outputs at once.
Detection
Status for
All Outputs
at Once
(Screw-less
Clamp Ter-
minal Out-
put and I/O
Units only)
Note Response data size: 2 bytes for 16-output Clamp Terminals, and 4 bytes for 32-output Clamp Terminals.
Writing Maintenance Information
Explicit Read/
message write
Mainte- Save Records the mainte-
nance nance counter in the
Counter Slave's memory.
Save
Function
Service
code
0E Hex
0E Hex
Function
Service
code
16 Hex
Command
Class ID Instance
ID
Attribute
ID
09 Hex 01 to 20 6A Hex
Hex
1E Hex 01 Hex 68 Hex
Command
Class ID Instance
ID
Attribute
95 Hex 01 Hex 75 Hex
Appendix A
Response
Command data
Data
--- 2 bytes,
4 bytes
00 Hex:
Operating
normally
01 Hex: Dis-
connected
--- 2 bytes,
4 bytes
00 Hex:
Operating
normally
Other val-
ues: Load
discon-
nected for
correspond-
ing terminal
(outputs 0
to 31: bits 0
to 31)
Response
Command data
Data
ID
--- ---
479