4
Configuration
Figure B: Device ID Configuration Examples
Configuration of RS-232 Port
Use SW2 to configure the RS-232 interface.
Pin
Function
6
Card TxD - transfer data to PC
7
Card RxD - receive data from PC
8
GND
Function
Switch
Value
ON/OFF
SW-1
SW-2
OFF
OFF
MODBUS OFF
ON
ON
MODBUS ON
Baud-Rate
SW2-1
SW2-2
OFF
OFF
2400 (Default)
ON
OFF
4800
OFF
ON
9600
ON
ON
19200
Parity Check
SW2-3
OFF
Disable Parity Check (Default)
ON
Enable Parity Check
SW2-4
OFF
Even Parity (Default)
ON
Odd Parity
Protocol
SW2-5
SW2-6
OFF
OFF
MODBUS Protocol (Default)
ON
OFF
Regular Protocol
OFF
ON
3-Phase Protocol
SW2-7
Reserved
SW2-8
Reserved
