Transmitter components and installation wiring
Figure B-3
I/O terminals
Table B-2
I/O terminals and functions
Terminal
Function
14
Frequency output, DC supply voltage (+)
15 and 16
Frequency/pulse output (+)
16
Return
17
Primary variable (PV+) mA output
18
Primary variable (PV–) mA output
19
Secondary variable (SV+) mA output
20
Secondary variable (SV–) mA output
21 and 16
Discrete input (Zero) (+)
22 and 16
Discrete output (Control output)
23
Signal ground
24 and 23
Temperature output (mV signal)
25 and 23
Tube period output
26
RS-485 I/O (A+): shared with
Service port A
on the user interface
27
RS-485 I/O (B–): shared with
Service port B
on the user interface
P
DC power to pressure or DP transmitter
S
mA input from pressure or DP transmitter
Configuration and Use Manual
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