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INSTALLATION AND WIRING
16
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) (option) or the following connector and cable.
• Connector: RJ45 connector
Example: 5-554720-3, Nippon AMP
• Cable: Cable conforming to EIA568 (e.g. 10BASE-T cable)
Example: SGLPEV 0.5mm 4P, MITSUBISHI CABLE INDUSTRIES, LTD.
Note: 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.
<PU connector pin-outs>
Viewed from the inverter (receptacle side) front
SG
P5S
RDA
SDB
SD
A
RD
B
SG
P5S
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 unit or parameter unit. Do not use these pins
for RS-485 communication.
Use the connector and cable as detailed below.
• Connector: RJ45 connector
Example: 5-554720-3, Nippon AMP
• Cable: Cable conforming to EIA568 (e.g. 10BASE-T cable)
Example: SGLPEV 0.5mm 4P, MITSUBISHI CABLE INDUSTRIES, LTD.
When the communication board of the personal computer has the RS-232C specifications, prepare an
RS-485, RS-232C converter.
Example of converter.
1) Model: FA-T-RS40
Converter
Industrial Systems Division Mitsubishi Electric Engineering Co., Ltd.
2) Model: DINV-485CAB
Interface built-in cable
Dia Trend Co., Ltd.