Communication Operation And Setting; Pu Connector - Mitsubishi Electric FR-A700 Instruction Manual

Parameter
6.23

Communication operation and setting

Purpose
Communication operation from

PU connector

Communication operation from
RS-485 terminal
Restrictions on parameter write
through communication
Operation by PLC function
Communication using USB
(FR-Configurator)
6.23.1 PU connector
Using the PU connector, you can perform communication operation from a personal computer
etc. When the PU connector is connected with a personal, FA or other computer by a commu-
nication cable, a user program can run and monitor the inverter or read and write to parameters.
Pin Number
Tab. 6-130: PU connector (terminal description)
NOTES
Pins No. 2) and 8) provide power to the operation panel or parameter unit. Do not use these
pins for RS-485 communication.
Do not connect the PU connector to the computer's LAN board, FAX modem socket or tele-
phone modular connector. The product could be damaged due to differences in electrical
specifications.
FR-A700 EC
Parameters that must be set
Initial setting of computer link
communication (PU connector)
Initial setting of computer link
communication (RS-485 terminal)
Modbus-RTU communication
specification
Communication EEPROM write
selection
PLC function
USB communication
8)
–
1)
Name
1) SG
2)
3) RDA
4) SDB
5) SDA
6) RDB
7) SG
8)
Communication operation and setting
Abb. 6-209:
PU connector pin-outs
Description
Earth (Ground) (connected to terminal 5)
— Operation panel power supply
Inverter receive+
Inverter send−
Inverter send+
Inverter receive−
Earth (Ground) (connected to terminal 5
— Operation panel power supply
Refer to
Section
Pr. 117–Pr. 124 6.23.3
Pr. 331–Pr. 337,
Pr. 341
Pr. 331, Pr. 332, 6.23.6
Pr. 334, Pr. 343,
Pr. 549
Pr. 342 6.23.4
Pr. 414–Pr. 417, 6.23.7
Pr. 498,
Pr. 506–Pr. 515
Pr. 547, Pr. 548 6.23.8
I001209E
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