Fluke 6270A - Page 16

6270A
Service Manual
10
20 MPa
(3000 psi)
2.5 kPa
(10inH )
2
O
Pressure sensor – various ranges
Solenoid valve – 3000 psi
Solenoid valve – 200 psi
Pressure relief valve
6270A CONTROLLER – Pneumatic Diagram
SLOT 5
SLOT 4
SLOT 3SLOT 2SLOT
1
SLOT PCM
CS
CE
S
E+
-
Std
V
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
BACK of 6270A
B1-1T B2-2T
G1-1R
B3-3T
B1-4T
B2-5T
G2-2R
G3 - 3R
G1- 4R
G2-5R
G3 -VR
B3 -VT
B4-IS
PCM Dock
PMM Dock
PCM
10 MPa
(1500 psi)
Barometer
700 kPa
(100 psi)
hxn306.eps
Figure 1. PCM Block Diagram