AVL DiGas 4000 User Manual

4000 Evaluation Unit
Service Manual 4-53
Wiring of the 4-/5-gas measuring instrument
1
2
3
45
6
7
8
9
10
11
12
13
11
1
Fig. 4-5
1 Mains connection 230 V / 50 Hz
2 Supply to Andros measuring system
3 RS232 Andros/AVL control
4O
2
sensor cable (shielded, 2-pin)
5NO/O
2
sensor cable for NO board (12-pin or 6-pin + cable item 4)
Supply to NO + signal
6 Supply to pneumatics module
7 Supply to AVL board
8 Pressure sensor signal 0…5 V
9 Pump control signal (TTL)
10 Supply to/control of fan 24 V DC
11 Control signal 24 V DC, zero solenoid valve
12 Supply to pump 230 V AC, control
13 Control signal 24 V DC, backflush
Sensor
NM
Zero
solenoid
valve
O
2
NOPump
Fan
Measuring system
Rear panel
Pneumatics
board
Pump
control
AVL main board
Power AVL
Power Andros

AVL DiGas 4000 Specifications

General

Brand	AVL
Model	DiGas 4000
Category	Test Equipment
Language	English