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1. Settings Relating to Communication
1.1 Communication Settings
Before starting communication with the V controller (hereinafter called the "unit"), set
communication parameters on the personal computer.
1
Communication protocol
2
Data length
3
Parity
4
Stop bit length
5
Baud rate
6
Response delay time
7
Communication address
Note: The values in the shaded areas (
1.2 Communication Connections
■ Personal computer
・Use serial communication port (USB 1 port).
■ RS232C/RS485 converter
・For the converter, System Sacom's USB-RS485I RJ45-T4P is recommended.
・ Our optional accessory "external communication adapter (USB-RS485)" permits the
connections described in Note 1) below (except the personal computer).
■ Communication cable for connection
PC
Notes: The configuration of the "External communication adaptor (USB-RS485）" included as
optional part is as follows:
①
USB cable ： PC side USB connector A, USB-RS485 side USB connector B, cable length of
1.8m
② Com. cable： UL2464TASB 2-core AWG20 cable (3m) on the terminal bed of the
USB-RS485 side, with a Y terminal on the unit
③ USB-RS485 conversion unit： USB-485I RJ45-T4P by System Sacom
Item
MODBUS-ASCII／RTU
7/8bit
Non/odd/evn
1/2bit
9600/19200/38400bps
0、10、20～250msec
1～99
) are the initial settings.
USB cable
USB-485I
USB port
USB-RS485 converter
37
4. Operating procedures
Setting external communication
Communication setting
Com. cable
V controller
Main unit
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