Mitsubishi Electric 800 Series, Инструкция по эксплуатации, Страница: 452 / 727

(A) Application parameters
PARAMETERS
451
5
GROUP
A
• The output signals are as shown below.
 Electronic bypass operation sequence
• Example of operation sequence without automatic bypass sequence ( Pr.139 = "9999")
• Example of operation sequence with automatic bypass sequence ( Pr.139

"9999", Pr.159 = "9999")
Signal
Applied terminal
(Pr.190 to Pr.196 setting)
Description
MC1 17
Operation output signal of the magnetic contactor MC1
on the inverter's input side.
MC2 18
Operation output signal of the magnetic contactor MC2
for the commercial power supply operation.
MC3 19
Operation output signal of the magnetic contactor MC3
on the inverter's output side.
ON
OFF
Power supply
ON
OFF
Operation interlock
(MRS)
ON
OFF
Inverter run command
(STF)
ON
OFF
ON
OFF
Inverter input side MC
(MC1)
ON
OFF
ON
OFF
Each timer
Coasting Stop Coasting
ON : Operation enabled
OFF: Operation disabled
ON : Forward rotation
OFF: Stop
ON : Inverter operation
OFF: Commercial power supply operation
Pr.136 MC switchover interlock time
Pr.137 MC3 start (waiting time)
Pr.57 Reset time
Pr.58 Switchover cushion time
Off only at inverter alarm
Inverter output side MC
(MC3)
Pr.136
Pr.57
Pr.136
Pr.57
Pr.58
Pr.137
Inverter/commercial
power supply (CS)
MC for commercial
power supply operation
(MC2)
Operating status
(motor speed)
INV
operation
Bypass
operation
INV
operation
Indicates the delay time until
the MC turns on (off).
STF
Frequency command
Output frequency
Pr.139
Time
Time
Actual motor speed
A : Pr.136 MC switchover interlock time B : Pr.137 Start waiting time
C : Pr.57 Restart coasting time D : Pr.58 Restart cushion time
MC3
ON
OFF
ON
OFF
MC2
ON
OFF
C A A B C D
INV
operation
Commercial
power supply
operation