Omron CQM1H-CLK21 Memory Areas, Parameters Memory area code command The data area to write

Commands and Responses for C200HX/HG/HE and CQM1H-series PLCsSection 6-6

Memory Areas

The following areas can be read. (Refer to 6-6-2 Memory Area Designations for PLC word/bit address designations):

Memory area	Data	Memory area	No. of
		code	bytes
IR, SR, LR, HR, or	Word contents	80	2
AR
Timer/Counter	Completion Flag status	01	1
	PV	81	2
DM	Word contents	82	2
Expansion DM	Word contents	90 to 97, 98,	2
		and A8 to AF

6-6-4 MEMORY AREA WRITE

Writes data to the specified number of consecutive words starting from the specified word. All words must be in the same memory area. (Here, all mem- ory areas with the same memory area code are considered as one area).

Note When data is written to the Timer/Counter PV area, the Completion Flags will be turned OFF (0).

Command Block

01 02 00

Command code

Beginning address No. of items Status

Memory area code

Response Block

	01	02
	Command Response
	code		code
Parameters	Memory area code (command): The data area to write.
	Beginning address (command): The first word/value to write. Specify 00
	(Hex) for the 3rd byte.
	No. of items (command): The number of items to be written. Specify 0000 to
	03E5 (Hex) (0 to 997 decimal). The command can be completed normally
	even if zero items are specified.
	Data (command): The data to be written. PVs for timers and counters are
	written as BCD. The required number of bytes in total is calculated as follows:
	2 bytes ⋅		No. of items
	The following data can be written. (Refer to 6-6-2 Memory Area Designations-
	for the word/bit address designations):
	Memory area			Data	Memory area	No. of
					code	bytes
	IR, SR, LR, HR, or			Word contents	80	2
	AR
	Timer/Counter			PV	81	2
	DM			Word contents	82	2
	Expansion DM			Word contents	90 to 97, 98,	2
					and A8 to AF

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