Instruction manual

INSTALLATION AND WIRING
22
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.
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
1) SG
2) P5S
3) RDA
4) SDB
5) SDA
6) RD
B
7) SG
8) P5S
1)
8)
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.
<System configuration example>
1) When a computer having a RS-485 interface is used with several inverters
PU connectorPU connector
Computer
Inverter
Station 1
PU connector
Inverter
Station 2
Inverter
Station n
RS-485
interface/terminal
C
omputer
10BASE-T
cable
Terminal resistor jumper
Distribution terminal
Note: 1. Use the connector and cables which are available on the market.
Connector: RJ45 connector
Example: 5-554720-3, Nippon AMP Co., Ltd.
Cable: Cable conforming to EIA568B (such as 10BASE-T cable)
Example: SGLPEV 0.5mm×4P, Mitsubishi Cable Industries, Ltd.