Phase Technologies SD Series - Page 67

61 | P a g e
Figure 33 – Analog Constant Pressure System Schematic
AUX2
I in +
I in -
COM
Shielded Duplex Cable
Emergency
Over-Pressure
Switch
Control
Circuit
Ground
Control Terminals
DO NOT ground
the cable shield
at the switch
C NC
Ground
Cable shield to
Control Circuit
Ground terminal
Green White
Black
Red
Green White
Black
Red
Analog
Pressure Transducer
- +
CAUTION:
By default, AUX1 and
AUX2 are programmed to be always in
RUN mode.
See parameters
AUX1
SELECT
and AUX2 SELECT
to change
this setting.