3-14
Installing the Drive
650S AC Drive
Wiring Specifications
RS485 Connections
RS232 Connections
Network Type
2-Wire Shielded Twisted-Pair
3-Wire Un-Shielded Cable
Connections
A=RxA/TxA, B=RxB/TxB, Shield
Rx, Tx, Ground (0V)
Signal Levels
To RS485 Standard
To RS232 Standard
Receiver Input Impedance
¼ Unit Load
3 k
Ω
minimum
7k
Ω
maximum
Maximum Cable Length
1200m (4000ft)
3 metres
Maximum Baud Rate
57.6kbaud 57.6kbaud
Maximum Number of Units
32 including slaves and masters
2: 1 master and 1 slave only