Programming Explicit Messages - Omron OMNUC W Series Manual

7 Ladder Programming Examples

7.3 Programming Explicit Messages

7
The following is a programming example for using Explicit Messages to read parameters.
Conditions
• Reads parameter Pn843 (Maximum Speed).
• Uses CS/CJ-series DeviceNet Master Unit.
• Uses CMND to send Explicit Message.
Operation
1. Set the operands for CMND.
2. Execute CMND when the Network Communications Enabled Flag turns ON.
3. If a transmission error occurs, retry after response code is stored.
Ladder Programming
Execution condition
W030.04
Continued
on next page.
DIFU (013)
MOV (021)
MOV (021)
MOV (021)
MOV (021)
7-8
W030.04
Sets Explicit
commands.
#2801
D00000
Sets destination
node address and
#140E
service code.
D00001
Sets class ID.
#0064
D00002
Sets instance ID.
#0001
D00003