VAF instruments OILCON MARK 6M - 3.3 ELECTRO PNEUMATIC UNIT (EPU)

15
Output signals
USB USB Flash drive with a type A connector
USB 1.0 compatible and formatted according to FAT16
Serial output -
Alarm relay (X3) NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
Failure-24V relay (X4) NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
Auto/manual relay (X5) NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
Dirty/clean discharge valve (X6) NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
Segregated discharge valve (X7) NO/NC contact, rating 250 VAC – 5 A or 30 VDC – 5 A
3.3 ELECTRO PNEUMATIC UNIT (EPU)
Electrical supply 115/230 VAC, 50/60 Hz
Power consumption 60 W
Air supply 4 – 7 bar, dry clean air (0,4 MPa – 0,7 MPa)
average consumption 6 l/min
max. consumption 50 l/min
Ambient temperature -20 °C – +55 ºC
Humidity range 0 – 95 % RH
Protection class IP 65
Mounting wall mounting, see drawing 0806-1287 for dimensions
Output signals
Communication RS422/485 to MCU
Pump start/stop signal 24 VDC, to sample pump starter relay
Pneumatic supply 4 bar to skid and sample valve
Cable glands
See drawing 0806-2050 for options
(1) Mains supply M20 x 1,5 (cable diameter 6 – 12 mm)
(2) Communication to MCU M20 x 1,5 (cable diameter 6 – 12 mm)
(3) Pump starter box M20 x 1,5 (cable diameter 6 – 12 mm)
(4) Ballast skid M20 x 1,5 (cable diameter 10 – 14 mm)
(5) Flowmeter dP/I M20 x 1,5 (cable diameter 6 – 12 mm)
(6) Spare M20 x 1,5 (cable diameter 6 – 12 mm)
Wire size supply-connectors Min-max 0,2 – 2,5 mm
2
Wire size output-connectors Min-max 0,2 – 2,5 mm
2
Wire size input-connectors Min-max 0,5 – 4,0 mm
2
Installation category II
Pollution degree II acc. To IEC 664
Ventilation requirements no special requirements