Omron CS1W-DRM21, CJ1W-DRM21 operation manual Receiving Explicit Messages, Program Example

Receiving Explicit Messages Section 6-5

Program Example

A200
11					(071)
					BSET	#0000		D00000			D02999
First Scan Flag
							(021)
							MOV	#0009			D00000
							(021)
							MOV	#000A			D00001
							(021)
							MOV	#0001			D00002
							(021)
							MOV	#05FE			D00003
							(021)
							MOV	#0000			D00004
							(021)
							MOV	#0064			D00005
							(021)
							MOV	#2801			D01000
							(021)
							MOV	#0B0E			D01001
							(021)
							MOV	#0001			D01002
							(021)
							MOV	#0001			D01003
							(021)
							MOV	#0100			D01004
							(021)
							MOV	#0001		0000
Execution
condition
0000	A202		1511
00	00		00	(490)
					CMND	D01000		D02000			D00000
	Port		Message
	Enabled		Commu-						(025)
	Flag		nications
			Permitted						ASL	0000
			Flag
0000		A202		A219
01	00			00		(021)
								A203			D00006
							MOV
		Port		Port				(026)
		Enabled		Execution
									ASR	0000
		Flag		Error Flag
											(001)
											END

Sets 0000 in D00000 to D02999.

Place data into control data words to specify sending 9 bytes to node 05 (unit FE) on network 01 and to receive 10 bytes in return.

Place the command data for EXPLICIT MESSAGE SEND into D01000 to D01004.

Places 0001 into CIO 0000

Sends 9 bytes of command data to node 05 (unit FE) on network 01 and receives 10 bytes of response data and stores it in D02000.

Shifts the contents of CIO 0000 one bit to the left.

Stores the completion code in A203 to D00006.

Shifts the contents of CIO 0000 one bit to the right and retry at next cycle (CIO 000000 ON).

6-5 Receiving Explicit Messages

This CS/CJ-series DeviceNet Unit contains a PLC Object. The Unit will receive messages addressed to the PLC Object, process service requests addressed to the CPU Unit, and return responses.

The following services are provided by the PLC Object.

•CPU Unit status read/write

•CPU Unit I/O memory read/write

The explicit messages can be received from the following sources:

•Masters made by other manufacturers

•PCs with C200H-series DeviceNet Master Units (C200HW-DRM21-V1)

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