Omron CQM1H-SCB41 operation manual Switch Settings, Read Event Data Sequence No

ES100j Digital Controller Protocol Appendix H

Switch Settings

There are two switches located on the board on the left of the Unit. Set SW1 to the interface: RS-422A or RS-485. Set SW2 to the center on all terminating Units and to the same setting as SW1 on all other Units.

422← S → 485

422← S → 485

Read Event Data (Sequence No. 250)

Reads events 1 to 10 in the variable area.

Send Data Word Allocation (2nd Operand of PMCR)

First word of send +0

data

+1

+2

+3

~

+26

Number of send data words

Number of units

(Undefined)	Unit No.		1st unit
(Undefined)	Unit No.		2nd unit
		~
(Undefined)	Unit No.		25th unit (max.)

Offset	Contents (data format)	Data
+0	Number of send data words	Number of units + 2
	(4 digits BCD)
+1	Number of units (4 digits BCD)	0001 to 0025
+2	1st unit	00 to 31
	Unit No. (2 digits BCD)
+3	2nd unit	00 to 31
	Unit No. (2 digits BCD)
	D
	D
	D
+26	25th unit	00 to 31
(max.)	Unit No. (2 digits BCD)

Receive Data Word Allocation (3rd Operand of PMCR)

Receive data	+0	Number of receive data words
storage words
	+1	Event 1	Event 2
	+2	Event 3	Event 4
	+3	Event 5	Event 6
	+4	Event 7	Event 8
	+5	Event 9	Event 10
	~		~
	+121	Event 1	Event 2
	+122	Event 3	Event 4
	+123	Event 5	Event 6
	+124	Event 7	Event 8
	+125	Event 9	Event 10

1st unit

25th unit (max.)

246