I/O Board Pin Description - Xylem FST Installation, Operation And Maintenance Manual

9 Technical Reference
4-20 mA 1
4-20 mA 2
RS-485
CAN bus

9.9 I/O board pin description

7
6
Item
1
42
Function
9 12
8
2
Name PCB terminal
TB1-1
Input power
TB1-2
Terminal
16
17
18
19
20
21
8
7
9
5
4
NC
11 13
3
Circular connector
terminal
1
2
FST Installation, Operation, and Maintenance Manual
Description
VBAT fused, 50 mA
4-20 mA input 1
Ground (earth)
VBAT fused, 50 mA
4-20mA input 2
Ground (earth)
RS485 +
RS485 -
Ground (earth)
CANH
CANL
Ground (earth)
10
4 5
Description
+9 V to +30 V
Ground (earth)
1
14
15