9
5.2
Controller
No.
MODEL MD-SX CONTROLLER
(1)
Function
Mist level indication and alarm monitoring
(2)
Number of sensor unit connection 16 units (max.) (16 units/1 engine or each 8 units
2 engines)
(3)
Detection time
Continuous (Response time: 1 sec or less/16 points)
(4)
Detection concentration
0 - 2.0 mg/L
(5)
Operation
Key switch input
(6)
Display
1) Mist level: 3-color bar-graph indication (16 LEDs)
2) 4 LEDs
“RUN”
(Green) : Detection (Lighting)/Mode set up (Blink)
“PRE ALARM”
(Red)
: (On at mist level LED: “(10)” and over)
“HIGH ALARM”
(Red)
: (On at mist level LED: “(15)”)
“SYSTEM FAILURE” (Orange)
3) LCD: 60
22 mm
20 letters
4 lines (with back light)
(7)
Contact outputs
1) Alarm (2 contacts for each engines)
“PRE ALARM”,“HIGH ALARM”
2) Failure output (1 contact)
“SYSTEM FAILURE”
(8)
Contact specification
Relay contact output (1 form C)
Contact capacity: 125 V AC 0.4 A / 30 V DC 2 A (Resistance load)
(9)
Data communications
Serial interface: RS-485 (Half Duplex) conformity
(Sensor units and external unit)
(10)
External connection
Sensor line
: Daihatsu option cables or specified cable for ships (To install a
junction box: AWG15
4 cables)
Contact output line : Cable outer dia. = 18 mm or less (for one engine)
Cable outer dia. = 18 mm or less (for two engines)
Power line
: Cable outer dia. = 13 mm or less
Connection method : Clamp-type terminal connection
(11)
Power supply
24 V DC (
＋
30% to
25%)
(12)
Power consumption
1.5A (max.) (Internal: 0.5A, Sensor units supply: 1.0A)
(13)
Outline dimensions
360 W
200 H
100 D mm (Wall mount type)
370 W
260 H
100 D mm (Flush mount type)
(14)
Protection against dust and
waterproofing
Protection class: IP 55
(15)
Weight
Approx. 5.0 kg (Wall mount type with cable gland)
Approx. 5.6 kg (Wall mount type with cable comb)
Approx. 5.8 kg (Flush mount type)
(16)
Paint color
Munsell N1.0 (Black)
(17)
Environmental conditions
Ambient temperature
：
(For operation)
5 - 55
C
(For storage)
20 - 80
C
Humidity
: Max.80%RH (Without dew condensation)
Atmosphere : No corrosive gas
Vibration
: 1 G or less (If vibration is more than 1 G, adopt a vibration-proof device.)
Original content from www.daihatsu.cc
Issued to HORIZON TANKERS LIMITED S.A.
