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Freqrol-v500 Series - Mitsubishi Electric FX5 User Manual

Melsec iq-f series.
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■Cautions during setting
Caution for setting the PU communication check time interval (Pr.122)
Description
During adjustment or when communication with the PLC is not executed
periodically
When communication with the PLC is not executed
Set the communication time in the following cases.
• When it is necessary to monitor absence of communication for a certain
time and stop the inverter in such a case while communication with the PLC
is being executed continuously
• When it is necessary to stop the motor at the point when the PLC mode is
changed from RUNSTOP
Parameters (set as needed)
The table below shows parameters to be considered when using various system configurations and inverters.
For the method of use, refer to the respective inverter manual.
Parameter No.
Parameter item
Pr.37
Speed display
Pr.146
Built-in potentiometer switching
Pr.342
Communication EEPROM write
selection
*1 This inverter communication function cannot read or write Pr. 37.
Set Pr.37 to "0" when setting or monitoring the frequency in the PLC.
If any value other than "0" is set and the instruction code HFF is set to "01", the frequency may not be set or monitored normally.
*2 Set Pr.146 to "1" when changing the frequency from the PLC.

FREQROL-V500 series

Connection destination: PU port, FR-A5NR
Contents of communication setting (essential items)
The table below shows parameters which should be set in all cases.
Parameter No.
Parameter item
Pr.117
Communication station number
Pr.118
Communication speed
Pr.119
Stop bit length/data length
Pr.120
Parity check provided/not provided
Pr.123
Waiting time setting
Pr.124
CR/LF provided/not provided
selection
Pr.79
Operation mode selection
Pr.340
Communication startup mode
selection
4 INVERTER COMMUNICATION
94
4.6 Inverter Communication Settings
Setting
value
*1
0 or 0.01 to
9998
*2
0 or 1
0 or 1
Setting
value
0 to 31
48
96
192
10
2
9999
1
0
1 or 10
Setting value
9999
0
1 to 9998
Set conditions
0: Frequency display, setting
0.01 to 9998: Machine speed at 60 Hz.
0: The built-in frequency setting knob is valid.
1: The built-in frequency setting knob is invalid.
0: Write to EEPROM and RAM
1: Write to RAM only.
Set conditions
Up to 16 inverters can be connected.
4800 bps
9600 bps
19200 bps
Data length: 7 bits
Stop bit: 1 bit
Even
Set in communication data
CR: Provided, LF: Not provided
External operation mode is selected when power is turned ON.
1: Network operation mode
10: Network operation mode (Operation mode can be changed between the
PU operation mode and network operation mode from the operation panel.)

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