Chapter Two: Installation
Setup
51
How to Wire a PDR-C and PDR-D Series Readout to a Type 722C Transducer with
a 9-
pin Type “D” Connector.
Caution
DO NOT use the -15 VDC output of the PDR-C and PDR-D readout
to power the 722C transducer. When the -15 VDC signal of the PDR-
C and PDR-D is connected to the power return of the transducer, a
short between the -15 VDC of the transducer and the A GND of the
PDR-C and PDR-D occurs. The PDR
–
C and PDR-D readout will
blank out. Either unit may be damaged.
The correct cable to use to connect the 9 pin Type “D” connector to the PDR
-C and PDR- D
readout is a RCB700-
2 cable. This cable has the mating Type “D” connector on the transducer
end and flying leads on the PDR-C and PDR-D end. Table 4 lists the pin assignments for the
various colored wires on the flying leads end of the cable.
Connections Between a Transducer with a Type “D” Connector and a PDR
-C/-D Readout
Pin Number
Transducer Signal
Flying Lead Color Code
PDR Signal
1
Pressure Output
Red
Pressure Input
4
+ Power Input
Green
+ 15 VDC
8
Pressure Return
Black
Signal Ground (A GND)
9
Power Return
White
Power Ground (D GND)
Table
8: Connections Between a Transducer with a Type “D” Connector and a PDR
-C /- D Readout
