Learning to Use the FX Family for Positioning Control Inverter Drive Control
4 - 36
MITSUBISHI ELECTRIC
MCR denotes the end of a master control block.
In this example, the master control block "N0" is only executed when data is not being written to the
inverter.
Function Number Description
Controlling the
inverter to move
in the forward or
reverse rotation
direction.
Operation commands are written [M20-M27 "H0FA"]
Reset driving of write instruction
Monitoring oper-
ations of the
inverter.
While data is not being written to the inverter, data is monitored.
Inverter status is read ["H07A" M100–M107]
Contents of status (according to necessity)
Tab. 4-24:
Description of the program example in fig. 4-23
4230d0da.eps
Fig. 4-24:
Program example (5)
Number Description
Monitoring oper-
ations of the
inverter.
Monitor frequency value with D50 ["H06F" D50]
Tab. 4-25:
Description of the program example in fig. 4-24
FNC270
IVCK
K0 H06F D50 K1
FNC180
EXTR
K10 K0 H06F D50
MCR
N0
Use this for FX
3G, FX3GC, FX3GE, FX3S or FX3U(C) PLCs
Use this for FX
2N(C) PLCs
Inverter
station
number
Inverter
instruction
code
Read
destina-
tion
CH 1
Function
number
(Monitor)
Inverter
station
number
Inverter
instruction
code
Read
destina-
tion
END
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