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Appendix A — Specifications
Port Pin Assignments
GPIO Port
Pin 13
Pin 1
Pin 25
Pin 14
GPIO Port Pin Assignments
84
Pin
Description
Active Polarity
1
-Input 1
Low-RTN
2
-Input 2
Low-RTN
3
-Input 3
Low-RTN
4
-Input 4
Low-RTN
5
Ground
6
Ground
7
+Output 1
8
Ground
9
+Output 2
High (10-48 V)
High (10-48 V)
10
Ground
11
+Output 3
12
Ground
13
+Output 4
High (10-48 V)
14
+Input 1
High (10-48 V)
15
+Input 2
High (10-48 V)
16
+Input 3
High (10-48 V)
17
+Input 4
High (10-48 V)
18
12VDC
19
-Output 1
20
12VDC
21
-Output 2
22
12VDC
23
-Output 3
High (10-48 V)
Low-RTN
Low-RTN
Low-RTN
IF2 Network Reader User’s Manual