Denso Comprehensive Guide to the CN8 Connector in Robotics Systems

(2) INPUT CN8: User-/System-input connector (standard mode)

CN8 Pin Assignment, in standard mode (NPN type)

View from the cable side

Terminal	Name	Port	Wire	Terminal	Name	Port	Wire
number		number	color	number		number	color
*1	Power for robot stop		Black	26	Data area 2 bit 7	21	Pink
	(internal +24V)
*2	Robot stop		Brown	27	Data area 2 bit 8	22	Pink
3	Power for Enable Auto		Red	28	Data area 2 bit 9	23	Pink
	(internal +24V)
4	Enable Auto		Black	29	Data area 2 bit 10	24	White
5	Step-stop (all tasks)	0	Brown	30	Data area 2 bit 11	25	White
6	Not used.	1	Red	31	Data area 2 bit 12	26	White
7	Instantaneous stop	2	Orange	32	Data area 2 bit 13	27	White
	(all tasks)
8	Strobe signal	3	Yellow	33	Data area 2 bit 14	28	White
9	Interrupt skip	4	Green	34	Data area 2 bit 15	29	White
10	Command and data odd parity	5	Blue	35	Command area 0 bit 0	30	White
11	Data area 1 bit 0	6	Violet	36	Command area 0 bit 1	31	White
12	Data area 1 bit 1	7	Black	37	Command area 0 bit 2	32	Gray
13	Data area 1 bit 2	8	Brown	38	Command area 0 bit 3	33	Gray
14	Data area 1 bit 3	9	Red	39	User input	34	Gray
15	Data area 1 bit 4	10	Orange	40	User input	35	Gray
16	Data area 1 bit 5	11	Yellow	41	User input	36	Gray
17	Data area 1 bit 6	12	Green	42	User input	37	Gray
18	Data area 1 bit 7	13	Blue	43	User input	38	Gray
19	Data area 2 bit 0	14	Violet	44	User input	39	Gray
20	Data area 2 bit 1	15	White	45	User input	40	Gray
21	Data area 2 bit 2	16	Pink	46	User input	41	Gray
22	Data area 2 bit 3	17	Black	47	User input	42	Violet
23	Data area 2 bit 4	18	Brown	48	User input	43	Violet
24	Data area 2 bit 5	19	Red	49	User input	44	Violet
25	Data area 2 bit 6	20	Orange	50	User input	45	Violet

NOTE 1: The optional I/O cable for the above connector consists of twisted pair wires--pairs of #1 and #26, #2 and #27,…#25 and #50.

NOTE 2: The terminal number marked with ( * ) is not used for “Dual emergency stop type”.

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