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STOP P.   

1.00MPa 

Alarm  and  stop  the  machine  when  the  air  supply 
temperature reaches this set value   

MAX U.L. 

0.80MPa 

The Unload Limit Pressure in the Customer Parameter 
must be set lower than this value.   

RUN TIME 

****Hours 

The manufacturer can modify the total running time   

LOAD TIME 

****Hours 

The manufacturer can modify the load running time 

CLR FAULT 

**** 

Input  the  history  failure  password  to  clear  all  the 
history failures. 

CUR UN.BAL. 

0006 

When (the max. phase current / min. phase current) is 
not  greater  than  (1+set  value),  the  unbalance 
protection  will  stop  the  machine.  If  the  set  value  is 
greater  than  15,  the  unbalance  protection  will  be 
unavailable.   

LACK PAHSE 

005.0 

If set 

time of phase failure ≥20 seconds, phase failure 

doesn’t  function;  If  unbalance  protection  is  activated, 
it will stop operation. 

DATA 

****-**-**   

The manufacturer input the product date of the unit. 

SERIAL 

******** 

The manufacturer input the product No. of the unit 

PHASE PRO. 

ON/OFF 

ON:Select sequence protection 
OFF:Not select sequence protection 

POWER FREQ 

50H 

Set the power frequency 

HIGH VOL. 

****V 

Controller  detects  the  voltage  higher  than 
the  set  value,  the  shutdown  protection, 
reported voltage is too high. Set this value 
to  0000,  the  high  voltage  function  is  no 
function

 

LOW VOL. 

****V 

Controller  detects  the  voltage  lower  than 
the  set  value,  the  shutdown  protection, 
reported  voltage  is  too  low.  Set  this  value 
to  0000,  the  low  voltage  function  is  no 
function

 

LOW T PRO- 

-4

8℃

 

Controller detects the temperature is lower 
than this value,    display    temperature is 
too low, not allowed to    start the air 
compressor 

 

TIME LIM 

0000H 

When  the  compressor  run  time  is  greater  than  TIME 
LIM  set,  the  controller  will  stop  the  compressor  and 
alarm ; 
If the value set as ‘0000’the function is disable. 

ALM STOP 

0010H 

Warning time over here to set, compressor 
report "warning too long" and stop

 

COM SET PARA 

ON/OFF 

 

PARA1 

**** 

 

9、Calibration parameters 

Calibration  parameter  used  to  set  the  controller  data

Does  not  allow  unauthorized  users  to  view  and 

modify 

PARAMETER 

Initial Value   

Functions 

TARGET CUR 

0000 

Enter the current value, the controller will detect 
user input value divided by the current to the 
current value, calculate the current coefficient

 

 

COEF 

1.000 

Calibration  current,  the  input  coefficients. 

Summary of Contents for MAM-880

Page 1: ...hen Plot electronic Co Ltd Address Sixth floor twenty fifth building TIAN JIAN industrial estate SHANG BAO road FU TIAN district SHEN ZHEN Telephone 0755 83172098 83172068 Postal code 518034 Fax 0755...

Page 2: ...lly before switch up Earthing terminal of this body part shall be earthed correctly the third type of earthing to increase product s capacity of resisting signal noise Motor s rated current current fo...

Page 3: ...matic control 17 3 Local manual control 17 4 Remote Manual Control 17 5 Network control 17 6 Temperature control of fan 18 7 Failure shutdown and emergency shutdown 18 6 Early warning and prompts 18 1...

Page 4: ...d by pressing this button when data are modified Menu is moved upwards when menu is selected Move down button Descending button Data at current position is descended by pressing this button when data...

Page 5: ...to move the black cursor to RUN PARAMETER press enter button to pop up submenu WELCOME USING SCREW COMPRESSOR AIR T 20 AIR P 0 60MPA NORMAL STOP C001 REMOTE RUN PARA USER PARA FACTORY PARA CALBR PARA...

Page 6: ...rimary menu press the move button to move the black slider to the USER PARA menu press the shift button to switch to the following menu Move the cursor to the P T SET menu then press enter button to s...

Page 7: ...P Control the stopping of the fan TIME SET HOST START 0008S When using the controller to protect the motor it is required that the time set here will not meet the impulse starting current of the motor...

Page 8: ...ration SEQ LOAD MPa The main air compressor searches for one device in the interlocking network for loading or starting when main air compressor s gas supply pressure is less than the value set here d...

Page 9: ...press set button switch to the factory parameters of the interface as follows Factory parameters run time phase sequence protection Frequency Selection and the time need check super password to chang...

Page 10: ...er frequency HIGH VOL V Controller detects the voltage higher than the set value the shutdown protection reported voltage is too high Set this value to 0000 the high voltage function is no function LO...

Page 11: ...A Displays the current controller sampling current values This value is the real value can not be set F A N A TARGET CUR 0000 Enter the current value the controller will detect user input value divide...

Page 12: ...cturers Password factory fixed ___________ Permissions Allows users to modify all the parameters the user password and the parameters of some manufacturers manufacturers selling password 6 Calibration...

Page 13: ...ors and operation time shown in following table table 2 1 1 when motor s working current is larger or equal to from 1 2 times and 3 0 times of set current Iactual Iset Time parameters 1 2 1 3 1 5 1 6...

Page 14: ...15 50 MAM880 200 80 200 40 100 MAM880 400 160 400 80 200 MAM880 600 5 100 600 50 300 4 Installation 1 Installation of transducer The transducer shall be installed at place where motor s line current...

Page 15: ...l dimensions of CT2 2 Controller Installation The controller is installed as plate Room should be left around controller for wiring The specific dimensions are as follows Figure 4 1 5 Controller struc...

Page 16: ...fan 15 terminals controls load valve 16 terminals controls angle shaped contactor 17 terminals controls star shaped contactor 18 terminals controls main contactor NOTE Eelectromagnetism coil shall be...

Page 17: ...ding until gas supply pressure is less than loading pressure If pressure is less than loading pressure the unloading button do not function Normal shutdown Press the button the load magnetic valve wil...

Page 18: ...filter Early warning for blockage of oil filter The controller can display the message on the text display to remind the operator that the air filter is blocked by checking the pressure difference swi...

Page 19: ...T 3 Non reversing Protection of Air Compressor When three phase supply phase sequence connected to the air compressor is not the same with that set for the controller the on site failure is displayed...

Page 20: ...power and contactors Overloaded Voltage too low tubes blocked Bearing Wear off or other mechanical failure or wrong set data etc Check the set data Voltage bearings tubes and other mechanical system...

Page 21: ...Temperature too high Bad vent condition Oil lacking etc Check the vent condition and lubricant amount etc Temperature Sensor Failure Cable off or PT1OO damaged Checking the wiring and PT100 Over Pres...

Page 22: ...Page 22 of 22 9 Electrical diagram 18 17 16 15 14 13 uc ua ub C1 RS 485 B A 1 FG 22 23 24 25 26 27 28 29 30 31 a CT2 21 20 19 2 3 4 5 6 7 8 9 10 b c A B C CT1 11 12...

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