Programming Examples - Mitsubishi Electric A800-E Instruction Manual

Programming examples
This chapter provides programming examples which control the inverter with sequence programs.
Item
Reading the inverter status
Setting the operation mode
Setting the operation commands
Setting the monitoring function
Reading a parameter value
Writing a parameter value
Setting the running frequency
(running speed)
Reading the fault records
Inverter reset
• System configuration example (when the MELSEC iQ-R series programmable controller is used)
Programmable
controller
• Network parameter setting of the master station
Network parameters are set as below.
Item
Start I/O No.
Type
All connect count
Remote input (RX)
Remote output (RY)
Remote register (RWr)
• The relation between the device of the programmable controller CPU and remote I/O (RX, RY) of the remote device station
is as follows: The devices used actually are indicated in shaded regions.
Reading the inverter status from the buffer memory of the master station
Selecting the network operation mode
Commanding the forward rotation and middle speed signals
Monitoring the output frequency
Reading the value of Pr.7 Acceleration time
Setting "3.0 s" in Pr.7 Acceleration time
Setting to 50.00 Hz
Reading the inverter faults
Perform inverter reset at an inverter alarm occurrence.
Power
CPU
supply
R04CPU
R61P
Hub
Inverter
(station
No. 1)
Setting conditions
0000
Master
2
X1000
Y1000
W0
Programmable controller CPU
X100F to X1000
X101F to X1010
X102F to X1020
X103F to X1030
X104F to X1040
X105F to X1050
Y100F to Y1000
Y101F to Y1010
Y102F to Y1020
Y103F to Y1030
Y104F to Y1040
Y105F to Y1050
(N) Operation via communication and its settings
Program example
Input module Output module
RX40C7 RY40PT5P
(X20 to X2F) (Y30 to Y3F)
Inverter
Pr.544=0
(station
No. 2)
Item
Remote register (RWw)
Retry count
Remote device station
(station 1)
RX0F to RX00
RX1F to RX10
RY0F to RY00
RY1F to RY10
Remote device station
(station 2)
RX0F to RX00
RX1F to RX10
RY0F to RY00
RY1F to RY10
Refer to page
66
67
67
68
68
69
69
70
70
Pr.544=0
Setting conditions
W100
3
PARAMETER
2
GROUP
N
65