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USER MANUAL

1. IN Y JOSUAS S IN ee LE LA 1 ay IN B2 B3 B4 B5 B6 B7 B8 B9 B10 B11 B12 B13 B14 MAM 900D uado jewJoN R uiejuiew f s lq ULE E inss ld yoolq s li 1009A juswow s lq SOTO JEULION D2 D3 DA D5 D6 D7 D8 D9 D10 D111D12 D13 D14 K4 ureJurew s lq Josuas a nssaud 10 JO10u BumeIS Josuas p d R lt a lt LL LO aks lt N OL BNEA 021402 S ml A 00 x T Jojeayald TE Jojow Bues al MAM 9OOD Diagram Chart Shenzhen Plot Electronic Co Ltd Approval Check Design
2. In parameter viewing status data is not blinking press ALTER TIMER to check the corresponding authority of password Press SWIFT the first data bit will blink Press ALTER TIMER to increase the blinking data Press SVVIFT to move the blinking data to the next data Press MENU SET to save the current data and return to the parameter viewing status the blink stops and operation indicator blink once Example of parameter modification User can modify the SPEED ALARM parameter and PROTECTION DELAY TIME according to the following steps gt In main menu press MENU SET to enter password verification menu the first data starts blinking gt Press ALTER TIMER to modify the current blinking data which is also the first data of password Press SWIFT the second data starts blinking Presse ALTER TIMER to modify the current blinking data which is also the second data of password Modify the third and fourth password data with the same method Press MENU SET to confirm the password gt Enter parameter viewing status after the verification of the password Press ALTER TIMER to enter to the menu P 06 Pic 5 1 1 P 06 SPEED ALARM Press SWIFT to enter modification and setting mode digital display The first data of SPEED COUNTER ALARM starts blinking press ALTER TIMER to modify the blinking data and press SVVIFT to modify the next data with the same method Page 6 Total 14 MAM 900D Diesel
3. Liquid coolant temperature measurement Measurement range 50 C 150 C 2 Measurement accuracy 0 5 8 Sensor Cu50 copper resistance sensor 6 Diesel level measurement 0 Measurement range full range measurement 2 Measurement accuracy 1 8 Sensor variable resistance type liquid level sensor The measurement data and the corresponding resistance data is as below Measurement data Resistance data 0 lt 4Q 50 630 100 21269 7 Discharge air pressure detect the stop signal is caused by the fluctuation of discharge air pressure 8 Oil filter block pressure alarm check and generator check 9 Run time Measurement range 0 999999H 10 Display 0 5 inch highlight digital display 11 System power supply DC24V 30 4 Button Explanation 1 Display explanation D Speed Display the engine speed Display the corresponding serial number after entering setting mode 2 Oil pressure Display the oil pressure Display the corresponding parameter after entering setting mode 3 Air temperature Display the air temperature Display the time parameter after Page 4 Total 14 MAM 900D Diesel screw compressor controller entering setting mode 4 Water temperature Display the water temperature liquid coolant temperature Diesel level display the percentage of diesel level Pressure Display the air pressure 2 Indicator Explanation D Charge indicator Extinguish wh
4. based on user data set MAM 900D can be used to monitor the above data and send corresponding control signal which can transfer to alarm signal and give user hint 2 Product Feature Advanced micro computer control with high reliability Real time detection and display of diesel compressor data Adopt advanced control technology enable compressor work stable and reliable Strong anti interference ability VVVWVWV Resistance for bad circumstance such as vibration high and low temperature humidity and salt mist v Easy installation and operation gt Communication extension function 3 Main Technical Parameter 1 Work circumstance Work temperature 30 C 80 C Humidity lt 98 Vibration resistance gt 4g Vibration 2 25Hz Amplitude 1 6mm 25 100Hz Acceleration 40m S o 2 Speed measurement Measurement range 0 9999rpm min Measurement error lt t Irpm min Speed measuring gear is above 60 Highest signal frequency 50KHz 6 9 Sensor Reluctance speed sensor 3 Pressure Measurement Measurement range Oil pressure 0 00 1 00MPa Discharge air pressure 0 00 2 50MPa Measurement accuracy 0 5 8 Sensor HUBA high temperature type 4 20mA pressure sensor Page 3 Total 14 MAM 900D Diesel screw compressor controller 4 Discharge air temperature measurement Measurement range 50 C 150 C 2 Measurement accuracy 0 5 8 Sensor Cu50 copper resistance sensor 5
5. screw compressor controller Corresponding serials No of SPEED COUNTER ALARM VALUE SPEED COUNTER ALARM VALUE RESPOND TIME oooo m pe PIC 5 1 1 gt After the modification of SEEP ALARM and DELAY TIME PROTECTION press MENU SET to confirm the data blink stops and operation indicator blink once The system return to the parameter viewing status User can refer to the above method to modify data For more parameter code please refer to parameter list and explanation In parameter view status press ALTER TIMER to move to the next menu for more selection In parameter view status press MENU SET to return to the main menu to finish parameter set 2 Parameter display list and explanation D Parameter display In parameter viewing status controller display corresponding parameter serials No In SPEED COUNTER column Page 7 Total 14 MAM 900D Diesel screw compressor controller corresponding parameter serials No Parameter list and explanation P 01 Password menu Input customer password and factory password user is allowed to check and modify the corresponding parameter Original password 0000 P 02 Gear No Set the gear No of speed measuring gear P 03 Start speed counter When speed counter is above this set data engine is activated and starting circuit is disconnected P 04 Oil pressure speed counter When speed counter is below this set data ignor
6. 2 On position Move key switch to this position to turn on controller power 3 Start button After power on press this button to turn on engine 4 Preheat position After power on move key switch to this position to heat the diesel compressor 5 Stop position When diesel compressor is running move select switch to this position to stop motor Page 5 Total 14 MAM 900D Diesel screw compressor controller 5 Parameter view and set The parameter has been set by manufactory and is not necessary to modify normally User can modify the relatively parameter by three buttons MENU SET SWIFT ALTER TIMER In main menu Press MENU SET to enter password verification menu The first data starts blinking press ALTER TIMER to alter the data from 0 9 also user can press SWIFT to move to the next data User can confirm the password by pressing MENU SET The data will stop blinking if password is correct User can press ALTER TIMER to check the corresponding authority of password Password is sorted to customer password and factory password User can check and modify customer parameter by customer password and also user can check and modify customer and factory parameter by factory password The system will return to the main menu if password is not correct 1 Parameter set Input the correct password to switch to the parameter viewing menu Modification and setting method is as followed 1
7. 9 this function is invalid P 25 Oil pressure sensor failure respond time Respond time S how long to respond when set as 9999 this function is invalid This protection is not restricted by speed counter P 26 When error occurred and the data is set as 9999 D5 will be de energized D 12 will be energized until the system is power off ifthe data is not set as 9999 D5 will be de energized and after the delay time it will energize again D12 will be energized and after the delay time it will de energize again For the motor Cummins Engines which will stop oil supply when de energized the data is recommended to set to 9999 For the motor which will stop oil supply when energized the data is recommended to set to 0005 P 27 Discharge air pressure sensor failure respond time Respond time S how long to respond when set as 9999 this function is invalid This protection is not restricted by speed counter 6 Mechanical Electrical Installation 1 Mechanical Electrical Installation Install the controller properly to a suitable position 2 Install the speed counter sensor to the shell of speed measuring gear The gap between the sensor and the gear is 0 5 1mm then tighten up the screw 8 Install the discharge air temperature sensor water temperature sensor oil pressure sensor and speed counter sensor to the corresponding position and connect with the signal input terminal 4 Connect correctly according to the terminal connecti
8. Diesel Screw Compressor Controller MAM900D Pressure converter V1 0 USER MANUAL Shenzhen Plot Electronic Co Ltd Address 4 5F 5 Bldg Highstar Industry Park Gangtou Community Bantian Longgang District Shenzhen City China Telephone 86 0755 83173599 83172822 Postal code 518129 Fax 86 0755 83172966 E mail plt pltsz com Website www pltsz com MAM 900D Diesel screw compressor controller Content 1 Product Overview ss Re nes Se ne ect al 3 2 Product Feature teren Ee Ge s s n Weiss oe EE Ee DEEG 3 3 Main Technical Parameter ees ee ee ER ee ER Ge ee RR ee ee Re Re ee 3 4 Button Explanation 5 RA Re Re Re Re Ge Re Re Re Re ee ee ee Re ee ee 4 Ss Parameter view and set nettes E 6 6 Mechanical Electrical Installation 2 222 10 7 Contrel principle ORE OE ER OE RE aas eiis 12 Troubl shooting iss EE s Bes Sak ten b iin NR Re d d si 13 9 Flectromic ELE ER N nn asian BE OE ON EG 14 Page2 Total 14 MAM 900D Diesel screw compressor controller 1 Product Overview MAM 900D diesel air compressor controller is automatical air compressor monitoring system controlled by high performance single chip micro computer MAM 900D adopts the newest MCU and combine with most advanced control technology it can accurately detect and display the speed oil pressure air temperature water temperature diesel level discharge air temperature and so on Also
9. e the oil pressure low signal P 05 Rated speed counter of diesel compressor P 06 Speed counter alarm When speed counter is above the set data compressor will alarm Respond time S how long to respond when set as 9999 this function is invalid P 07 Speed counter stop When speed counter is above the set data controller will stop the compressor Respond time S how long to respond when set as 9999 this function is invalid P 08 Oil pressure alarm When oil pressure is below this set data controller will alarm Respond time S how long to respond when set as 9999 this function is invalid P 09 Oil pressure stop when oil pressure is below this set data compressor will stop Respond time S how long to respond when set as 9999 this function is invalid P 10 Water temperature alarm when water temperature is above this set data controller will alarm Respond time S how long to respond when set as 9999 this function is invalid Page8 Total 14 MAM 900D Diesel screw compressor controller P 11 Water temperature stop when water temperature is above this set P 12 P 13 P 14 P 15 P 16 P 18 P 19 P 20 P 21 P 22 P 23 data compressor will stop Respond time S how long to respond when set as 9999 this function is invalid Air pressure alarm when air pressure is above this set data controller will alarm Respond time S how long to respond when set as 9999 this function is invalid Air pressure st
10. en the generator is running 2 Preheat indicator Indicate the preheat status of generator 3 Operation indicator illuminated when the diesel compressor is running normally Blink once after set and save data Blink constantly when error occurred in saving or reading data and will stop blink after user reset and save the data correctly 4 Alarm indicator When speed oil pressure air temperature water temperature or diesel level alarm or fail the corresponding display window will blink For system prewarning the alarm indicator will blink For system failure alarm indicator will be illuminated Pressure alarm indicator Alight when theAIR P contactor is closed and alarm signal is generated 6 Oil indicator Indicate the oil absorption and filtration status 3 Button explanation Menu confirm Press this button to enter or exist para setting menu or save the data set 2 Move button In data viewing status press this button to enter In data setting status press this button to move After eliminating alarm press this button to reset indicator light and indicator window 3 Revise timing In data setting mode press this button to revise the data In data viewing status press this button to move to the next menu In normal working menu press this button to display the running hour of compressor 4 Key switch select switch start button switch D Off position Move key switch to this position to turn off controller power
11. on instruction 2 Mechanical Installation Diagram MAM 900D mechanical installation diagram is as below PIC 6 2 1 Page 10 Total 14 MAM 900D Diesel screw compressor controller 280 00 260 00 6 07 00N 130 00 mei 1 2 00 gI 350 00 330 00 305 00 PIC 6 2 1Product Dimension Diagram 260 00 ur 240 00 1 1 330 00 308 00 1 1 87 00 PIC6 2 2 Installation Dimension Diagram 3 Electrical Installation Diagram MAM 900D electrical installation diagram is as below PIC 6 3 1 Page 11 Total 14 MAM 900D Diesel screw compressor controller Oil level air pressure f 4 Speed oil pressure air temp water temp Oil filter Pressure keep open contactor Alam red 24V start motor generator red white preheater contactor D keepopen oil moment PIC 6 3 1 D5 is normally closed terminal for motor stop oil supply when de energized type D12 is normally open terminal for motor stop oil supply when energized type 7 Control principle After install and turn on the the controller controller start normal vvork status and activate diesel Execute load and unload operation by pressing load and unload control valve and control button Based on the measurement data and user set data to send corresponding signal to measure and display the s
12. op when air pressure is above this set data compressor will stop Respond time S how long to respond when set as 9999 this function is invalid Air temperature alarm when discharge air temperature is above this set data controller will alarm Respond time S how long to respond when set as 9999 this function is invalid Air temperature stop when discharge air temperature is above this set data compressor will stop Respond time S how long to respond when set as 9999 this function is invalid Oil level alarm when the oil level is below this set data controller will alarm Respond time S how long to respond when set as 9999 this function is Oil level stop When oil level is below this set data compressor will stop Respond time S how long to respond when set as 9999 this function is invalid Ex factory date set the ex factory date of compressor Standby Standby Current run time Max time limit H When the run time of compressor is above this set data compressor cannot be activated this function is invalid when set as 0000 Low air temperature limit When the air temperature is below this set data compressor will fail to stop Respond time S how long to respond when set as 9999 this function is invalid Page 9 Total 14 MAM 900D Diesel screw compressor controller P 24 Low water temperature limit When the water temperature is below this set data compressor will fail stop Respond time S how long to respond when set as 999
13. peed counter water temperature oil pressure oil level discharge air temperature and pressure of diesel compressor Controller sends alarm signal vvhen detects the data is over the user set data and stop data Controller sends stop signal when detects the data over stop data The operation process is as belovv 1 Diesel engine preheat When the air temperature is low or for initial start adjust the select switch to the preheat output terminal D7 output 24V is energized and preheater starts vvorking turn the select switch to off output terminal D7 output 24V is de energized and preheater stops working 2 Diesel compressor starts process When switch the key to power on controller output terminal D5 is energized output Page 12 Total 14 MAM 900D Diesel screw compressor controller 24V D12 is de energized Press start button controller output terminal D3 D6 are energized output 24V the start motor activates diesel engine oil moment relay is closed to provide oil to engine After start process release the button and controller output terminal D3 D6 will be de energized 3 Diesel compressor operation process When the diesel engine is running and switch the pressure control valve to load the compressor inlet valve opens and compressor starts loading When switch the pressure control valve to unload the compressor inlet valve closes and compressor starts unloading 4 Diesel normal stop In power on status switch the select button to stop con
14. troller output terminal D5 is de energized and D12 is energized output 24V oil maintain relay opens and diesel engine stops running Output terminal D5 for engine of stop oil supply when de energized type such as cummins D12 for engine of stop oil supply when energized type such as Yuchai engine 5 Pressure alarm When controller digital input terminal D11 connect with power negative pole controller will alarm and stop After input terminal D11 disconnect with power negative pole problem cannot clear automatically It is requested to cut off power and restart 6 Oil filter block alarm When the terminal D10 is connected with power negative electrode controller will alarm with the oil filter block indicator on when D10 is disconnected with power negative electrode controller will not alarm with the oil filter block indicator off gt Note Compressor needs to have all error clear and reset after failure stop 8 Troubleshooting Fal Reason Method Discharge air A m x Check heat dissipation and lubricant Poor heat dissipation less oil temperature high guantity Temperature Cable break Cu50 copper Check the cable and Cu50 copper sensor failure resistance sensor failure resistance sensor Pressure sensor Sensor cable break sensor Check the cable and pressure sensor failure failure sensor cable reversed Page 13 Total 14 9 Electronic Diagram Josuss a nssaud sy

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