DH Instruments PPC3 - Q-Rpt Module Configurations (Pressure Measurement)

PPC3™ OPERATION AND MAINTENANCE MANUAL
© 2002-2007 DH Instruments, a Fluke Company Page 138
5.9.2 Q-RPT MODULE CONFIGURATIONS (PRESSURE
MEASUREMENT)
ONE Q-RPT-Axxx or utility sensor only
(A10M)
VALVE STATE
CONDITION
A B C
Vent
O O O
Measure/Control
C O C
Power off
C O C
Valve C is shown for reference. It is in the
pressure control module.
ONE RPT-Axxx or utility sensor
(<A10M)
VALVE STATE
CONDITION
A B C
Vent
O O O
Measure/Control
O C C
Power off
C O C
Valve C is shown for reference. It is in the
pressure control module.
ONE RPT – Gxxx or BGxxx
VALVE STATE
CONDITION
A B C D
Vent
O O O O
Measure/Control
O C O/C C
Power off
C O O C
Valve C is the TEST(-) vent valve. In normal
operation with BGxxx or Gxxx Q-RPTs, this valve is
closed during fine pressure control (see Section
3.5.7.5).
Valve D is shown for reference. It is in the pressure
control module.