Fluke 6270A Service Manual page 16

6270A
Service Manual
6270A CONTROLLER – Pneumatic Diagram
Solenoid Valve naming:
nT Slot n Test
nR Slot n Reference
CS Control Supply
CE Control Exhaust
CF Control Fine Supply
IT Isolation Test
IR Isolation Reference
IS Isolation Supply
IE Isolation Exhaust
VT Vent Test
VR Vent Reference
PMM Dock
G1-1R
B1-1T
20 MPa
(3000 psi)
SLOT 1
10
BACK of 6270A
G2-2R
G3 - 3R
B2-2T B3-3T
10 MPa 700 kPa
(1500 psi) (100 psi)
SLOT 2 SLOT 3
Figure 1. PCM Block Diagram
V
Std
G3 -VR
PCM Dock
G1- 4R
G2-5R
B1-4T B2-5T
2.5 kPa
O
(10inH )
Barometer
2
SLOT 4
SLOT 5
Pressure sensor – various ranges
Solenoid valve – 3000 psi
Solenoid valve – 200 psi
Pressure relief valve
- S
+ E
B4-IS
B3 -VT
CE
PCM
SLOT PCM
CS
hxn306.eps