Allen-Bradley 857 Quick Start Manual page 17

Table 5 - Terminal X3
No:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Table 6 - Terminal X7
No:
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Rockwell Automation Publication 857-QS001B-EN-P - April 2017
Mounting and Wiring Instructions
Symbol Description
48V Internal control voltage for digital inputs 1...6
DI1 Digital input 1
DI2 Digital input 2
DI3 Digital input 3
DI4 Digital input 4
DI5 Digital input 5
DI6 Digital input 6
-- --
A1 COM Alarm relay 1, common connector
A1 NO Alarm relay 1, normal open connector
A1 NC Alarm relay 1, normal closed connector
T2 Trip relay 2
T2 Trip relay 2
T1 Trip relay 1
T1 Trip relay 1
-- --
Uaux Auxiliary voltage
Uaux Auxiliary voltage
Symbol Description
DI7 Digital input 7
DI8 Digital input 8
DI9 Digital input 9
DI10 Digital input 10
DI11 Digital input 11
DI12 Digital input 12
COM1 Common potential of digital inputs 7...12
DI13 Digital input 13
DI14 Digital input 14
DI15 Digital input 15
DI16 Digital input 16
D117 Digital input 17
DI18 Digital input 18
COM2 Common potential of digital inputs 13...18
T4 Trip relay 4
T4 Trip relay 4
T3 Trip relay 3
T3 Trip relay 3
Chapter 2
17