Allen-Bradley Rockwell Automation 857 User Manual page 232

9-4
Connections
Terminal X7
No: Symbol
1 DI7
2 DI8
3 DI9
4 DI10
5 DI11
6 DI12
7 COM1
8 DI13
9 DI14
10 DI15
11 DI16
12 D117
13 DI18
14 COM2
15 T4
16 T4
17 T3
18 T3
Terminal X6
No: Symbol
1 BI
2 BO
3 COM
4 S1>+
5 S1>–
6 S2>+
7 S2>–
Arc sensor itself is polarity free
857-UM001A-EN-P – July 2009
Description
Digital input 7
Digital input 8
Digital input 9
Digital input 10
Digital input 11
Digital input 12
Common potential of digital inputs 7 – 12
Digital input 13
Digital input 14
Digital input 15
Digital input 16
Digital input 17
Digital input 18
Common potential of digital inputs 13 – 18
Trip relay 4
Trip relay 4
Trip relay 3
Trip relay 3
Description
External arc light input
Arc light output
Common connector of arc light I/O
Arc sensor 1, positive connector
Arc sensor 1, negative connector
Arc sensor 2, positive connector
Arc sensor 2, negative connector