TECO-Westinghouse F510 Series, Instruction Manual

Page: 378 / 444

6-4
6.3 Reference from Serial Communication RS485 (00-05=3)
RS485 PLC / Computer Connection
-
+
S-
S+
Cable
Shield
RS485 Port
8 7 6 5 4 3 2 1
CN6
Control board
To set the speed reference for the inverter via serial communication parameter 00-05
has be set to “3”
for frequency command via serial communication.
Default Communication Setting is:
Address “1”, 9600 Bits/sec, 1 Start Bit, 1 Stop Bit, and No Parity
The serial communication link function uses RS485 Modbus RTU protocol and allows for:
1) Monitoring (data monitoring, function data check).
2) Frequency setting.
3) Operation command (FWD, REV, and other commands for digital input).
4) Write function data.
Frequency Reference Command Register
Inverter Frequency Reference Register: 2502 (Hexadecimal) - Bit 0
– Bit 15: 0.00 ~ 400.00 Hz