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APPENDIX C
BOARD LAYOUT
Optional analog output
terminal block
On-board relay output
terminal block
Communications speed
configuration pins
Input configuration pins
DIP connector for input
module ribbon cable
Input commons
Input terminal screws
NO
COM
NC
1
C
2
C
3
C
4
C
V
5
C
V
2
1
RELAY
OUTPUTS
ANALOG
OUTPUTS
4-20mA
TEMP
INPUTS
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
RS485 port for
C
V
5
C
12V
C
15V
C
C
1
2
3
4
5
6
7
8
DIGITAL
POWER
A
B
PHONE
RS232 PORT (DCE)
RS485
RJ11C phone jack
networking
Appendix C: Board Layout
Digital output
terminal block
AC
AC
20V
C
BAT
24
24
EG
Power supply
terminal block
DIP connector for output
module ribbon cable
Battery recharge pin
ON
ON-OFF switch
OFF
Acrylic safety panel
Reset button
Termination pin
header for networking
RS232 port for local
communication
131
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