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Programming examples
4.7
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
(1)
System configuration for programming example
Programmable controller
Power supply
CPU
Q61P-A1
Q02CPU
Terminating
resistor
(2)
Network parameter setting of the master station
Network parameters are set as below.
Item
Start I/O No.
Data link alarm
Operation
station setting
settings
Setting at CPU stop
Type
Mode
All connect count
Remote input (RX)
Remote output (RY)
Remote register (RWr)
Program Example
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 "3.0s" in Pr. 7 Acceleration time
Setting to 50.00Hz
Reading the inverter faults
Perform inverter reset at a fault occurrence.
Master station
Input unit
Output unit
QJ61BT11N
QX40
(X/Y00 to 1F)
(X20 to X2F)
(Y30 to Y3F)
X20
Station 1
Station 2
Inverter
(FR-E700-NC)
Pr.542 = 1
Pr.544 = 0
Setting
Conditions
0000
Input clear
Refresh
Master
Remote net ver.1
mode
2
X1000
Y1000
W0
Programming examples
QY40P
Y30
Inverter
(FR-E700-NC)
Terminating resistor
selection switch is ON
Pr.542 = 2
Pr.544 = 0
Item
Remote register (RWw)
Special relay (SB)
Special register (SW)
Retry count
Automatic reconnection station
count
CPU down select
Scan mode settings
Station
Station type
information
Refer to
Page
69
69
70
70
71
71
72
73
73
Setting
Conditions
W100
SB0
SW0
3
1
Stop
Asynchronous
Remote device
station
67
4
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