Omron CS1W-DRM21, CJ1W-DRM21 Comparison with Previous Models, CS/CJ-series PC, C200HW-DRM21-V1

Comparison with Previous ModelsSection 1-4

1-4	Comparison with Previous Models
			The following table provides a comparison between the CS1W-DRM21
			DeviceNet Unit and the C200HW-DRM21-V1 DeviceNet Master Unit used in a
			CS/CJ-series PC.
	Item		C200HW-DRM21-V1	CS1W-DRM21/CJ1W-DRM21
Unit classification			C200H Special I/O Unit	CPU Bus Unit
Mounting position			CPU Rack, C200H I/O Expansion Rack, CS-	CPU Rack, CS/CJ-series Expansion Rack
			series Expansion Rack
No. of Mas-		Fixed alloca-	1 Master	3 Masters (Select unique words must be
ters that can		tions		allocated using the software switches.)
be mounted				3 Slaves (Select unique words must be allo-
				cated using the software switches.)
		User-set allo-	16 Masters (Configurator required)	16 Masters (even without the Configurator)
		cations
Routing table registration			Not necessary	When creating a routing table, registration in
				a local network table is necessary.
Unit No. that can be set			0 to F	0 to F
Masters on a single network			Multiple Masters, Configurator required	Multiple Masters even without the Configura-
				tor
Remote I/O		Master	❍	❍
communica-
		Slave	X	❍
tions
Message communications			Explicit message send, FINS message com-	Explicit message send, FINS message com-
			munications	munications
				Note Can send and receive explicit mes-
				sages to the PC to which a C200H
				DeviceNet Master Unit or CVM1/CV
				DeviceNet Master Unit is mounted.
				Cannot sent or receive FINS mes-
				sages.
Registration in the scan list			Required	Not required
when using only message
communications
Area used to		Allocated	2,000 to 2,009 + (10 x unit number)	1,500 to 1,524 + (25 x unit number)
exchange		CIO Area
data with the		words
CPU Unit
		Allocated DM	Not used	D30000 to D30099 (100 x unit number)
(not includ-
		Area words
ing remote I/
		Dedicated	D06032 to D06033 + (2 x unit number)	Not used.
O allocation)
		DM area		Note With user-set allocations using the
				allocated DM Area words however,
				the Allocation Size Setup Table must
				be allocated to a position in I/O mem-
				ory.

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