User guide

Chapter 2
434
External Device Setup Manual
17.4 Environment Settings
The following shows the settings of the communication port for performing communications between the Mitsubishi inverter
FREQROL series and MICRO/I.
17.4.1 Environment settings for connecting the device to a Mitsubishi inverter
MICRO/I set the error code from the inverter to LSD 112.
Items Details
Interface Use the same
settings as for the MICRO/I.
RS485 4-wire
Inverter No. 01 - 31
Baud Rate (bps) 4800, 9600 or 19200
Data Bits 7 or 8
Stop Bits 1 / 2
Parity Odd, Even or None
Ignore Write Error
Enable or Disable
*1
*1. When you check “Ignore Write Error.” MICRO/I don’t display “Host communication Error” even if the Inverter returns NAK Error response.
Terminator CR only
Communication check time interval Set to a value other than “0”.