VAF instruments OILCON MARK 6M, Техническое руководство

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3 TECHNICAL SPECIFICATION
3.1 GENERAL
Range 0 – 1000 ppm
Type of oils In accordance with type approval certificate oils as per MEPC
108(49) and biofuel blends as per MEPC 240(65)
Accuracy In accordance with IMO Resolution MEPC 108 (49),
the system response is within the accuracy specified.
Response time Less than 40 s, in accordance with IMO Resolution
MEPC 108 (49)
Zero noise Less than 2 ppm
Response to oils In accordance with IMO Resolution MEPC 108 (49),
the system response is within the accuracy specified.
Sensitivity to solids In accordance with IMO Resolution MEPC 108 (49),
the system response is within the accuracy specified.
Fouling In accordance with IMO Resolution MEPC 108 (49)
Alarm adjustment 0 - 1000 ppm.
Sample points 2 standard, (optional 6 maximum)
3.2 MAIN CONTROL UNIT (MCU)
Electrical supply 24VDC – 0,1A
Emergency supply 24VDC – 0,1A (Source independent from source main supply)
Power consumption 2,4W
Ambient temperature -20 °C – +55 ºC
Humidity range 0 – 95 % RH
Mounting panel mounted, see drawing
0806-1285
for dimensions
Wiring 24V-supply (X8) (X9) 2 x 0,5 mm
2
cable
Wire size output-connectors Min-max 0,2 – 2,5 mm
2
Wire size input-connectors Min-max 0,2 – 2,5 mm
2
Installation category II
Pollution degree I acc. to IEC 664
Ventilation requirements no special requirements
Communication (X13) RS422/485 4-wire to EPU. Baud rate: 9600, Data bits: 8, Parity:
none, Stop bits: 1, Flow control: None
Input signals
Feedback Discharge-
segregated-ballast (X10) NC contact, rating 2,2 mA
Feedback Discharge-
dirty/clean-ballast (X11) NC contact, rating 2,2 mA
Ship’s log (X12) 100, 200, or 400 p/NM, rating 5 mA
GPS (X14) GPS NMEA 0183, RS485 2-wire, Baud rate: 4800, Data bits: 8,
Parity: none, Stop bits: 1, Flow control: None
MCU is reading following strings:

RMC, GLL and/or GGA for ships’ position

VTG for ships’ speed