Daihatsu MD-SX Instruction Manual Download Page 54

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5mm)

(ABOUT

How to confirm the good sensitivity of sensor.
Check the indication”Good!”,“LV1”,”LV2” by connecting

optional sensor.

It confirms it by the following methods when there is

no checker.

Original content from www.daihatsu.cc

Issued to HORIZON TANKERS LIMITED S.A.

Summary of Contents for MD-SX

Page 1: ...JULY 2015 INB000044D OIL MIST DETECTOR INSTRUCTION MANUAL MD SX Sensor type Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 2: ...ss the state is avoided or prevented 1 Caution for electric shock 1 Voltage is left in the internal terminal block even if the body POWER turned OFF Please switch off the controller every time when se...

Page 3: ...9 6 Cautions in wiring 27 10 INITIAL SETUP 29 10 1 Initial setup of sensor units 29 10 2 Initial setup of controller 30 11 OPERATION 31 11 1 Checks before turning the power on 31 11 2 Steps from the f...

Page 4: ...y or predicted 2 FEATURES 1 For mist detection by the sensor units a natural diffusion system is used This eliminates the necessity of such fan suction mechanism piping and driving air that the conven...

Page 5: ...ut classification approved Fig 2 Install MD SX system on two engines MD SX SENOSR JUNCTION BOX MD SX CONTROLLER 24Vdc POWER SUPPLY RELAY OUTPUTS to Alarm Monitoring System MD SX special cables Marine...

Page 6: ...ling a junction box between a controller and sensors a general cable for ships can be used between the controller and the junction box Mount the sensor directly on the engine frame Use the specified r...

Page 7: ...E 1 DOWN WARD SENSOR UNIT STANDARD TYPE CONNECTOR TYPE CABLE GLAND TYPE FLYING LEAD TYPE Fig 3 MD SX OUTLINE OF DOWN WARD SENSOR UNIT Original content from www daihatsu cc Issued to HORIZON TANKERS LI...

Page 8: ...5 2 HORIZONTAL CABLE SENSOR UNIT STANDARD TYPE CONNECTOR TYPE FLYING LEAD TYPE Fig 4 OUTLINE OF HORIZONTAL CABLE SENSOR UNIT Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 9: ...6 2 CONTROLLER Wall mount type with cable gland Wall mount type with cable comb Fig 5 Controller outside Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 10: ...7 Flush mount type Fig 6 Controller outside PANEL CUT Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 11: ...Daisy chain Total length 150 m max Connection method Connector Standard type Clamp type terminal Cable gland type 11 Power supply 24 V DC 30 to 25 supply from controller 12 Power consumption 60 mA max...

Page 12: ...ts 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 f...

Page 13: ...roller detects the alarm status based on the oil mist density detected by the sensor unit There are two alarm statuses PRE ALARM and HIGH ALARM Upon occurrence of any alarm the red LED in the center o...

Page 14: ...colors green No 0 to No 7 orange No 8 to No 10 and red No 11 to No 15 When only the mist indicator LED No 0 green is flashing this means that the controller has not been initialized Full load setting...

Page 15: ...he controller to reset 4 When a CPU trouble occurs SYSTEM FAILURE will be output As for the details see Section 15 Troubleshooting 7 4 PRE ALARM and HIGH ALARM LEDs There are two alarm statuses PRE AL...

Page 16: ...and LED lamps properly operate by turning all of them on 2 SWITCH CHECK To check that the key switches properly operate 3 OUTPUT CHECK To forcibly turn the contacts on and off to check the function Th...

Page 17: ...basic settings for controller display and communication etc 2 SET ENG SENSOR To set the number of the engines and sensors 3 ISOLATE SENSOR To temporarily disconnect and connect a sensor when the sens...

Page 18: ...l mist is hard to come in to a detecting element Please install it by a recommended method The recommended installation position of the MD SX sensors is upper place from clank shaft and side of figure...

Page 19: ...he screw part is not rolled up by seal tape Oil leak will be occurred from screw part to engine outside If you use the special sealing washer optional it is not necessary to wind the sealing tape If y...

Page 20: ...r ask Daihatsu in the details Fig 12 Sample 1 Protection pipe Outline of Cover Fig 13 Sample 2 Cover structure 7 In case of fitting sensor to a gear case except the engine crankcase a chain case the p...

Page 21: ...is installed on a place such as the engine main body where the vibration acceleration exceeds 1G use the specified rubber vibration insulators Fit the rubber vibration insulators in the vertical dire...

Page 22: ...the wiring between sensors and a controller For one engine limit the total length of the wires within 150 m from the end sensor and the controller Even if two engines are used the total length of the...

Page 23: ...esel can provide this special cable In the case of ordering please specify necessary length When you need it anything other than normal length please consult with Daihatsu Shape of a connector can be...

Page 24: ...mmunication lines with a color of cable jacket and connect it without wrong Table Relation between Wire Colors and Corresponding Functions Daihatsu option cable 4 0 5 Wire color Name Signal type Brown...

Page 25: ...Please do not look for the fit position after putting connectors together The connector pins may be broken and the broken pins may cause imperfect contact 2 Tighten a cable side fixing ring with your...

Page 26: ...outputs In case of one engine 3 contacts In case of two engines 5 contacts 2 Terminal connection Clamp type terminal block Fig 25 Controller terminal arrangement diagram Fig 26 Schematic drawing of th...

Page 27: ...r and solenoid valves and for the power supply lines to prevent noise impacts As various sizes of marine use gland packing suitable for the wiring are supplied with the detector use the correct size g...

Page 28: ...llows 1 For sensor units line Gland size 15c Option cable 4x0 5mm Change the packing to the supplied packing bore diameter 7 mm Cable for ships Installed packing bore diameter 13 mm 2 For power supply...

Page 29: ...ce for disconnection detection The jumper settings are shown below Set the jumper according to the specified resistance value JP302 ENGINE A HIGH ALARM JP301 ENGINE B HIGH ALARM Jumper between 1 and 2...

Page 30: ...rs by pinching the locking devices on both ends of the connector and pulling the connector out if they make wiring difficult Connect the shielding wire to a shielded conductor cable connecting termina...

Page 31: ...t to damage the core conductor Using the cable bared in the wrong length at the end or with the core damaged may cause insulation defect poor contact or wire disconnection 2 Lightly pull the cables on...

Page 32: ...r unit Set the rotary switch 16 channels in the sensor unit to the specified position 0 to F Please set the node number from 0 sequentially from a No 1 cylinder not to overlap When one engine is conne...

Page 33: ...concentration in crankcase of a diesel engine varies significantly depending on the difference of the engine type each cylinder and operating conditions Therefore normally the full load setting is pe...

Page 34: ...correctly set for node and termination 11 2 Steps from the first power ON to practical operation Shown below is the flow diagram for settings to be made from the power ON to the actual operation FULL...

Page 35: ...engines and defining the selected number by pressing the ENTER key 2 Set the number of sensors to be installed per engine Use the upward and downward arrow keys to select a number and define the selec...

Page 36: ...y set for the full load 11 3 Full load mist density level setting The full load misty density level must be set in practical operation mode to properly operate the detector Operate the installed engin...

Page 37: ...3 Set the number of engines number of sensors and items to be excluded from average value computing according to the displayed menu 11 5 Alarm operation check This is the function to check if the MD...

Page 38: ...et value as required with the upward and downward arrow keys and press the ENTER key to define the final value 4 The currently detected value and set value are displayed Select the 1 CHECK and press t...

Page 39: ...hecked the change of the mist level on the controller LCD when the engine working and stopped in daily operation check If the mist level of engine working is increased more than that of engine stop th...

Page 40: ...t density The alarm is given in the early stage when the mist density starts increasing abnormally from the oil mist density during normal operation 2 Confirmation of mist density The controller can i...

Page 41: ...e sensor unit 2 Check for oil leak from the sensor unit mounting screws If the oil leaks reinstall the sensor unit while referring to Section 8 INSTALLATION 3 Check that the controller main body does...

Page 42: ...10 to 12 will flash to indicate the system failure status 4 The output relay is held It can be restored by turning off power Turn off the power switch and reconnect the disconnected wire correctly to...

Page 43: ...40 15 TROUBLESHOOTING 15 1 TROUBLESHOOTING by controller indicate Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 44: ...41 Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 45: ...42 17 Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 46: ...rotation range Arrange the loop cable In case no recover replace the sensor unit No Outline Remedy 17 Sensor sensitivity deterioration Wash the sensor part of sensor unit To check the sensor sensitivi...

Page 47: ...44 15 4TROUBLESHOOTING by sensor unit indicate Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 48: ...L CABLE SENSOR UNIT Connector type Number Parts Number Name of Parts Quantity 2 NN00465035A ASSY MD SX HORIZONTAL WIRING SENSOR CONNECTOR 3 STANDARD SPARE PARTS ACCESSORIES for SENSOR UNIT Number Part...

Page 49: ...1M 2 NN00646002A CABLE MD SX BOTH SIDES CONNECTOR 2M 3 NN00646003A CABLE MD SX BOTH SIDES CONNECTOR 3M 4 NN00646004A CABLE MD SX BOTH SIDES CONNECTOR 4M 5 NN00646005A CABLE MD SX BOTH SIDES CONNECTOR...

Page 50: ...A CABLE MD SX ONE SIDE CONNECTOR 14M 14 NN00646032A CABLE MD SX ONE SIDE CONNECTOR 15M 15 NN00646033A CABLE MD SX ONE SIDE CONNECTOR 20M 16 NN00646034A CABLE MD SX ONE SIDE CONNECTOR 25M 17 NN00646035...

Page 51: ...new oil from existing system oil Please replace the system oil periodically in following to the system oil control of engine also you can recover the lowered sensitivity of sensor by applying the was...

Page 52: ...break down the probe of sensor Prepare for the following article Use rubber glove Container for the sensor cleaning Bottle with more than 250mL of capacity two pieces Yunisol H Transparent Liquid 200m...

Page 53: ...50 5 This cleaning method will be applied to oil mist sensor on the 2cycle engine with less contamination of lubricant oil Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 54: ...good sensitivity of sensor Check the indication Good LV1 LV2 by connecting optional sensor It confirms it by the following methods when there is no checker Original content from www daihatsu cc Issued...

Page 55: ...52 1 When there is a difference of the digital value when the organization stops and it drives in one or less Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

Page 56: ...or the disconnection of cable But in short circuit situation of the cable the reliability is same as to use daisy chain wiring d MD SX system can work as normal operation under one disconnection circu...

Page 57: ...4 All information contained in this Manual is corrected at the time of printing but will be subject to change without notice Original content from www daihatsu cc Issued to HORIZON TANKERS LIMITED S A...

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