User manual

Publication CNET-UM001C-EN-P - November 2005
Peer-to-Peer Messaging 6-7
Enter a Message
Use relay ladder logic to enter a MSG instruction. Click to configure the
MSG instruction.
Configure a Message
Instruction
To configure a MSG instruction, do these tasks:
1. Click in the MSG box.
EXAMPLE
Enter a MSG instruction
If user_bit and count_messages.EN = 0 (MSG instruction is not already enabled), then execute a
MSG instruction that sends data to another controller.
TIP
We recommend an XIO of the MSG control block tag.en,
for example: the count_messages.EN portion of the rung
above, as an in series precondition for all message
instructions
Do not manipulate the control bits of a
message instruction.