Initial Settings And Specifications Of Rs-485 Communication - Mitsubishi Electric FR-A800 Series Instruction Manual

NOTE
• The changed value in Pr.340 is applied after the next power-ON or inverter reset.
• The Pr.340 setting can be changed on the operation panel in any operation mode.
• When setting a value other than "0" in Pr.340, make sure that the communication settings of the inverter are correct.
Parameters referred to
Pr.7 Acceleration time, Pr.8 Deceleration time, Pr.111 Third deceleration
Pr.79 Operation mode
Pr.340 Communication startup mode
Pr.335 RS-485 communication retry
Pr.336 RS-485 communication check time
Pr.539 MODBUS RTU communication check time
Pr.550 NET mode operation command source
Pr.551 PU mode operation command source
5.15.4 Initial settings and specifications of RS-485
communication
Use the following parameters to perform required settings for RS-485 communication between the inverter and a personal
computer.
• Use the PU connector on the inverter or RS-485 terminals as communication interface.
• Parameter setting, monitoring, etc. can be performed using Mitsubishi inverter protocol or MODBUS RTU communication
protocol.
• To make communication between the personal computer and inverter, setting of the communication specifications must
be made to the inverter in advance. Data communication cannot be made if the initial settings are not made or if there is
any setting error.
670
5. PARAMETERS
5.15 (N) Communication operation parameters
Downloaded from ManualsNet.com
selectionpage 389
selectionpage 398
countpage 670
intervalpage 670
intervalpage 686
selectionpage 400
selectionpage 400
search engine
timepage 367