04.08.2017 Operation Manual MAM - 890 V1.0
9 -
1.6 User Parameter:
Menu Preset Value
Functions
LOAD PRES 0,65 MPa
1. In AUTO LOADING status, compressor will load if pressure is below this set data
2. In STANDBY mode, compressor will start if the pressure below this set data
UNLOAD PRES 0,80 MPa
Compressor will unload automatically if air
pressure is above this set data
2. This data should be set above LOADING PRES, also should be set below UNLD P
LIM
FAN START TEMP 0080
Fan will start if AIR T is above this set data
FAN STOP TEMP 0070
Fan will stop if AIR T is below this set data
MOTOR DELAY 0010s
when motor is activated, controller will
not start overload protection during this time to avoid impulse starting current
stopping the motor.
STAR DELAY TIME 0005S
Interval time from star start to delta start.
LOAD DELAY TIME 0003S
Unloading in this set time after enter delta running
EMPTY DELAY TIME 0600S
When unloading continuously, compressor will automatically stop and enter to
standby status if over this set time
STOP DELAY TIME 0030S
For NORMAL STOP operation, compressor will stop after it continuously
unloading over this set time
START DELAY TIME 0030S
Machine cannot be restarted before this set time (stop and over time load free
stop till this time)
START MODE LOCAL/ REMOTE
LOCAL: Only the button on the controller can turn on and turn off the machine.
REMOTE: both the button on the controller and the remote-control button can
turn on and turn off the machine.
LOAD MODE
AUTO/
MANUAL
nly when the pressure is above
automatically. For any other case, the Load/Unload function can only be executed
by pressing “load/unload” key.
AUTOMATICAL: The load/unload function can be executed by the fluctuation of
AIR P automatically
COM MODE
PROHIBIT
COMPUTER
SEQUENCE
ommunication function is not
COMPUTER: Compressor can communicate with computer or DCS as slave
according to MODBUS-RTU.
SEQUENCE: Compressors can work in a net
COM ADD 0001
Communication address
SEQ STATE
MASTER/
SLAVE
1. When service as master in SEQUENCE, master controls slave; the COM ADD
should be set as No.1
2. When service as slave in SEQ, slave is controlled by master
TOGGLES TIME 99 Hours
When master pressure is between SEQ LOAD P and SEQ UNLD P, master
determines slave to work alternatively after working over this set time
SEQ NUMBER 0016
Number of air compressors in SEQ net
SEQ PRES 1.36MPa
In SEQ mode, one compressor will start or load when master AIR P is below this
set data
SEQ U.L. PRES. 1.36MPa
In SEQ mode, one compressor will stop or unload when master AIR P is above this
set
Data
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