Upper terminal block – Rockwell Automation 1755-OF8 GuardPLC Controller Systems User Manual
Page 59
Publication 1753-UM001C-EN-P - March 2010
59
Wire GuardPLC 1600, GuardPLC 1800, and GuardPLC 1200 Controllers Chapter 4
Upper Terminal Block
All eight of the digital output zero-voltage reference terminals are
common. Unlike the GuardPLC 1600 and GuardPLC 1800 controllers
or distributed I/O, which have an earth ground screw, the
GuardPLC 1200 controller’s earth ground should be wired to the PA
terminal, marked
.
Terminal Number
Designation
Function
1
Not Used
None
2
I1
Digital input 1
3
I2
Digital input 2
4
I3
Digital input 3
5
I4
Digital input 4
6
I5
Digital input 5
7
I6
Digital input 6
8
I7
Digital input 7
9
I8
Digital input 8
10
I9
Digital input 9
11
I10
Digital input 10
12
I11
Digital input 11
13
I12
Digital input 12
14
I13
Digital input 13
15
I14
Digital input 14
16
I15
Digital input 15
17
I16
Digital input 16
18
I17
Digital input 17
19
I18
Digital input 18
20
I19
Digital input 19
21
I20
Digital input 20
22
I-
Reference pole
23
I-
Reference pole
24
I-
Reference pole
25
I-
Reference pole