Omron CJ1W-DRM21, CS1W-DRM21 operation manual Remote I/O and Slave Communications Specifications

Slave Remote I/O CommunicationsSection 5-1

5-1-2	Remote I/O and Slave Communications Specifications
Item				Specifications
Allocation		Fixed allo-	Select one of the following fixed allocation areas using the Slave Fixed Allocated Area
method		cations	Switches 1, 2, and 3 in the software switches in the allocated CIO Area words.
			Allocated words	I/O	Size	Fixed Allo-	Fixed Allo-	Fixed Allo-
			(CIO Area)			cation Area	cation Area	cation Area
						Setting 1	Setting 2	Setting 3
				Output (OUT) area	1 word	3370	3570	3770
				to the slave from
				the master
				Input (OUT) area to	1 word	3270	3470	3670
				the master from the
				slave
			Note Select one of the preceding areas using the software switches. All are fixed at 1 word
			per node address. The default setting is Fixed Allocation Area Setting 1.
		User-set	By allocated DM	Set the areas, the first words, and slave allocation size for the OUT 1
		allocations	Area words	and IN 1 blocks (total of 2 blocks) using the Slave User Allocation Setup
				Table in the allocated DM Area words.
				Allocated words	The input and output areas can be the following
					sizes starting from any word in any of the following
					areas: CIO Area, WR Area, HR Area, DM, Area, or
					EM Area.
					Output (OUT) area from this slave			100 words
					Input (IN) area to this slave			100 words
			By Configurator	Set the areas for the OUT 1 and IN 1/2 blocks, the first words, and the
				slave allocation sizes using the Configurator.
				Allocated words	The input and output areas can be the following
					sizes starting from any word in any of the following
					areas: CIO Area, WR Area, HR Area, DM, Area, or
					EM Area.
					Output (OUT) area from this slave			100 words
					Input (IN) area to this slave			100 words
Max. No. of I/		Fixed allocations		32 points (1 input word, 1 output word)
O points per
		User-set	By allocated DM	3,200 pts (100 input words, 100 output words)
DeviceNet
		allocations	Area words
Unit slave
			By Configurator	4,800 pts (100 input words x 2, 100 output words x 1)

5-1-3 Procedures for Using Remote I/O Slave Communications

Fixed Allocations for Remote I/O

1,2,3... 1. Turn ON the communications, slave, and PC power supplies.

Note Turn ON the communications power supply prior to turning ON the slave power supply or the slaves may not go online.

2.Switch the CPU Unit to PROGRAM mode.

3.Turn ON the Slave Stop Switch (word n+1, bit 07) from the PC Program- ming Device to stop slave communications.

4.Turn ON one of the Slave Fixed Allocation Setting Switches (1 to 3: word n+1, bits 08 to 10) from a Programming Device.

5.Turn ON the Slave Enable Switch (word n+1, bit 06) from a Programming Device to enable slave communications.

6.Switch the CPU Unit to RUN mode.

Slave remote I/O communications will start up.

Note Slave communications must be disabled prior to area allocation and must be enabled after area allocation. The order of the procedure is 1) stop slave com-

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