Connection To The Pu Connector - Mitsubishi Electric FR-A500 Instruction Manual

2.2.4

Connection to the PU connector

(1) When connecting the operation panel or parameter unit using a connection cable
<Recommended cable connector>
• Parameter unit connection cable (FR-CB2
• Connector: RJ45 connector
Example: 5-554720-3, Tyco Electronics Corporation
• Cable: Cable conforming to EIA568 (e.g. 10BASE-T cable)
Example: SGLPEV-T 0.5mm×4P (Twisted pair cable, 4 pairs), MITSUBISHI CABLE INDUSTRIES, LTD.
Note: 1. The maximum wiring length is 20m (65.62 feet).
(2) For RS-485 communication
With the operation panel disconnected, the PU connector can be used for 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 allows the inverter to be run and monitored and the parameter values to be read and written.
<PU connector pin-outs>
Viewed from the inverter (receptacle side) front
Note: 1. Do not connect the PU connector to the computer's LAN board, FAX modem socket or telephone
modular connector. Otherwise, the product may be damaged due to electrical specification
differences.
2. Pins 2) and 8) (P5S) provide power to the operation panel or parameter unit. Do not use these
pins for RS-485 communication.
3. For communication parameters, refer to page 126.
) (option) or the following connector and cable.
8)
1)
25
INSTALLATION AND WIRING
1) SG 5) SDA
2) P5S 6) RDB
3) RDA 7) SG
4) SDB 8) P5S
2