N700 Operating Instructions and Parts Manual
2. Installation and Wiring
17
2.2.3
Terminal connection diagram
(1) Terminal
connection
diagram
①
The control circuit terminal of inverters is connected with the control board in unit.
Terminal for CAN Communication
Terminal for RS232/RS485 Communication
Fig. 2- 7 Terminal connection diagram
(2) Wiring
①
Both the CM1 and L terminals are insulated to both the common terminal of the input and
output signals.
Do not short or connect to ground these common terminals.
②
Use twisted screened cable, for the input and output wires of the control circuit terminals.
Connect the screened cable to the common terminal.
③
Limit the connection wires to 65 feet.
④
Separate the control circuit wiring from the main power and relay control wiring.
⑤
When using relays for the FW terminal or an intelligent input terminal use a control relay
that is designed to work with 24Vdc.