Omron CJ1W-DRM21 Message Communications, Communications Instructions, Master model Model Capacity

Overview of DeviceNet Section 1-1

Message Communications

Master Master

RS-232C

Interface Unit

Communications Instructions

Master	Unit model	Send	Receive	FINS
				commands
CS Series	CS1W-DRM21	SEND(192)	RECV(193)	CMND(194)
CJ Series	CJ1W-DRM21
CVM1, CV Series	CVM1-DRM21-V1	SEND(192)	RECV(193)	CMND(194)
CS Series,	C200HW-DRM21-V1	None	None	IOWR
C200HX/HG/HE
C200HS		---

Item	Master model	Model	Capacity
Max. No. of nodes per	CS Series	CS1W-DRM21	62 nodes
Master for message			(Node address 0 cannot be
	CJ Series	CJ1W-DRM21
communications using			used in FINS communications.)
FINS commands
	CVM1, CV Series	CVM1-DRM21-V1	8 nodes
	CS Series,	C200HW-DRM21-V1	8 nodes
	C200HX/HG/HE
	C200HS		Not supported
Max. No. of nodes per	CS Series	CS1W-DRM21	63 nodes
Master for message
	CJ Series	CJ1W-DRM21
communications using
	CVM1, CV Series	CVM1-DRM21-V1	63 nodes
explicit messages
	CS Series, C200HX/	C200HW-DRM21-V1	63 nodes
	HG/HE
	C200HS		Not supported
Max. message length	CS Series	CS1W-DRM21	SEND(192):	267 words
			RECV(193):	269 words
			CMND(194):	542 bytes (start-
	CJ Series	CJ1W-DRM21
			ing with command code)
	CVM1, CV Series	CVM1-DRM21-V1	SEND(192):	76 words
			RECV(193):	78 words
			CMND(194):	160 bytes
			(starting with command code)
	CS Series,	C200HW-DRM21-V1	IOWR(223):	160 bytes (start-
	C200HX/HG/HE		ing with command code)

Note FINS message communications are supported between any two PCs with a CS/CJ-series DeviceNet Unit (CS1W-DRM21/CJ1W-DRM21). They are not supported for PCs with a C200H DeviceNet Master Unit (C200HW-DRM21-

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