Communication Operation And Setting; Wiring And Configuration Of Pu Connector - Mitsubishi Electric F700 Instruction Manual

Communication operation and setting

3.18 Communication operation and setting
Purpose
Communication operation from PU
connector
Communication operation from RS-
485 terminal
Restrictions on parameter write
through communication

3.18.1 Wiring and configuration of 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 communication cable, a user
program can run and monitor the inverter or read and write to parameters.
(1) PU connector pin-outs
CAUTION
⋅ 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 telephone modular connector. The
product could be damaged due to differences in electrical specifications.
156
Parameter that must be set
Initial setting of computer
link communication (PU
connector)
Initial setting of computer
link communication (RS-485
terminal)
Modbus-RTU
communication
specifications
Communication EEPROM
write selection
Pin
Number
Inverter
(Receptacle side)
Front view
8)
to
1)
Pr. 117 to Pr. 124
Pr. 331 to Pr. 337, Pr. 341
Pr. 331, Pr. 332, Pr. 334, Pr. 343,
Pr. 549
Pr. 342
Name
1) SG
(connected to terminal 5)

2) Operation panel power supply
3) RDA
4) SDB
5) SDA
6) RDB
7) SG
(connected to terminal 5)

8) Operation panel power supply
Refer to
Page
161
173
162
Description
Earth (Ground)
Inverter receive+
Inverter send-
Inverter send+
Inverter receive-
Earth (Ground)