Omron CQM1H-SCB41 operation manual Polling Auto-read Command Processing Cancel Sequence No

V600/V620 ID Controller Protocol			Appendix M
	Offset	Contents (data format)	Data
	+0	Number of receive data	0002 (fixed)
		words (4 digits BCD)
	+1	Completion code	00: Normal termination
		(2 digits Hexadecimal)	14: Auto or communications command processing
			not executed
			75: Cancelled before the end of expansion
			command receive or before sync input went
			active or before detection of the existence of
			Data Carrier
			76: Cancelled during read/write processing for Data
			Carrier

Polling Auto-read Command Processing Cancel (Sequence No. 544)

This sequence cancels polling auto-read processing.

Send Data Word Allocation (2nd Operand of PMCR)

First word of send +0

data

+1

+2

+3

Number of send data words

(Undefined)	Unit No.
(Not used)
(Undefined)	Head channel No.

Offset	Contents (data format)	Data
+0	Number of send data words	0004 (fixed)
	(4 digits BCD)
+1	Unit No. (2 digits BCD)	Arbitrary (However, there is a limit for the
		maximum Unit No. depending on the
		model)
+2	Not used
+3	R/W Head CH No. (1 digit BCD)	R/W Head CH 1 designation: 1
		R/W Head CH 2 designation: 2
		The CD1D must be set to 1.

Receive Data Word Allocation (3rd Operand of PMCR)

Receive data	+0	Number of receive data words
storage words	+1
		(Undefined)	Completion code

Offset	Contents (data format)	Data
+0	Number of receive data	0002 (fixed)
	words (4 digits BCD)
+1	Completion code	75: Cancelled before communications processing
	(2 digits Hexadecimal)	with Data Carrier
		76: Cancelled after communications processing with
		Data Carrier

Polling Auto-write Command Processing Cancel (Sequence No. 545)

This sequence cancels polling auto-write processing

Send Data Word Allocation (2nd Operand of PMCR)

The send data word allocation is similar to that of Sequence No. 544 (Polling Auto-read Command Processing Cancel)

Receive Data Word Allocation (3rd Operand of PMCR)

The receive data word allocation is similar to that of Sequence No. 544 (Polling Auto-read Command Processing Cancel)

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