Electro Pneumatic Unit (Epu) - VAF instruments OILCON MARK 6M Technical Manual

Output signals
USB
Serial output
Alarm relay (X3)
Failure-24V relay (X4)
Auto/manual relay (X5)
Dirty/clean discharge valve (X6)
Segregated discharge valve (X7)

3.3 ELECTRO PNEUMATIC UNIT (EPU)

Electrical supply
Power consumption
Air supply
Ambient temperature
Humidity range
Protection class
Mounting
Output signals
Communication
Pump start/stop signal
Pneumatic supply
Cable glands
(1) Mains supply
(2) Communication to MCU
(3) Pump starter box
(4) Ballast skid
(5) Flowmeter dP/I
(6) Spare
Wire size supply-connectors
Wire size output-connectors
Wire size input-connectors
Installation category
Pollution degree
Ventilation requirements
USB Flash drive with a type A connector
USB 1.0 compatible and formatted according to FAT16
-
NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
115/230 VAC, 50/60 Hz
60 W
4 – 7 bar, dry clean air (0,4 MPa – 0,7 MPa)
average consumption 6 l/min
max. consumption 50 l/min
-20 °C – +55 ºC
0 – 95 % RH
IP 65
wall mounting, see drawing 0806-1287 for dimensions
RS422/485 to MCU
24 VDC, to sample pump starter relay
4 bar to skid and sample valve
See drawing 0806-2050 for options
M20 x 1,5 (cable diameter 6 – 12 mm)
M20 x 1,5 (cable diameter 6 – 12 mm)
M20 x 1,5 (cable diameter 6 – 12 mm)
M20 x 1,5 (cable diameter 10 – 14 mm)
M20 x 1,5 (cable diameter 6 – 12 mm)
M20 x 1,5 (cable diameter 6 – 12 mm)
Min-max 0,2 – 2,5 mm
Min-max 0,2 – 2,5 mm
Min-max 0,5 – 4,0 mm
II
II acc. To IEC 664
no special requirements
2
2
2
15