Omron CS1W-CLK21-V1, CVM1-CLK21, CS1W-RPT01, CJ1W-CLK21-V1 Selecting Communications Instructions

Selecting Communications Instructions		Section 6-2
	Area	Range
	DM Area	DM 0000 to DM 6655
	Extended DM Area	EM 0000 to EM 6143 (See note 2.)

Note 1. SR 253 to SR 255 cannot be written at the source node, even if they are specified by the RECV instruction’s beginning receive word at the source node.

2.For details on extended DM Area, refer to the operation manual for the PLC model that is being used.

6-2 Selecting Communications Instructions

Do you want to easily read from or write to the I/O memory area?

Do you want to intermittently read from a memory area?

Aside from memory areas, do you want to write the following kinds of data?

PLC internal clock File Memory

Do you want to read the following kinds of data?

PLC model PLC status Cycle time Messages Errors

Forced set/reset status

YES

YES

YES

Use SEND and RECV.

Use CMND. (See note.)

Do you want to change the PLC's operating mode?

YES

Do you want to force set/reset bit status?

YES

Note CMND cannot be used with C200HX/HG/HE PLCs.

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