mensor PCS 400 - Page 108

Two Independent Transducers
SUPPLY
SOURCE
REFERENC
E
EXHAUST
EXHAUST
OUTPUT
REGULATOR
ASSEMBLY
MEASURE/
CONTROL
FILTER
FILTER
VENT
1/3 PSI
CHECK
VALVE
CONTROL
SHUTOFF
SOLENOID
OUTPUT
SHUTOFF
SOLENOID
1PSI
RELIEF
VALVE
PRIMARY XDCR
RELIEF VALVE
ALTERNATE XDCR
RELIEF VALVE
N.C.
N.C.
P
P
*
L5
L3
L1
COARSE
SUPPLY
SOLENOID
N.C.
COARSE
EXHAUST
SOLENOID
L2
N.C.
PRIMARY
XDUCER
(ABSOLUTE)
VENT
SOLENOID
XDCR
SELECTOR
SOLENOID
N.C.
R
R
L4
L6
*
ALTERNATE
XDUCER
(GAUGE)
SPT
#00
(DEFAULT)
SPT
#01
(ALTERNATE)
P
AUX
XDUCER
L6 IS A 3-WAY SOLENOID VALVE. THE ARROWS
SHOW PRESSURE FLOW THROUGH THE VALVE.
RELAXED
L1 THROUGH L5 ARE 2-WAY, NORMALLY CLOSED (N.C.).
ENERGIZED
NO CONNECTION TO REFERENCE PORT
IF BOTH TRANSDUCERS ARE ABSOLUTE
NOTES:
FILTER
Figure 9.6 - Pneumatic Schematic
PCS 400 APPENDIX
www.mensor.com 9-15