Hardware Inputs; Analog; Digital; Hardware Outputs - Siemens 125-5033 Owner's Manual

Hardware Inputs

Analog

•
Differential pressure transmitter

Digital

•
Operator Display Panel (ODP)
•
ATTN.UNATTN (through DI1)
•
OCC.UNOCC (through DI1)

Hardware Outputs

Analog
•
AO-E/AO-P module (Floating Control)
•
Operator Display Panel (ODP)
•
AO2 (Flow Signal, 1 to 10 Vdc)
Digital
•
FLN communications trunk
•
DO3 (24 Vac, Alarm/Hi.Low Output)

Power Wiring

The controller is powered by 24 Vac. Power wiring connects to the three screw terminals on
the controller labeled "C" (Common), "H" (Hot) and "E" (Ground) on the terminal block labeled
"TB1". Earth ground connection is required (Figure 2).

Communication Wiring

The controller connects to the field panel by means of a Field Level Network (FLN) trunk.
Communication wiring connects to the three screw terminals on the controller labeled "+"
(positive), "-" (negative), and "S" (Shield) (Figure 3).
Siemens Building Technologies, Inc.
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