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Specifications
11.1 Communication Function Specifications
11.1.1 CPU Unit Communication Specifications
USB port (for tool software)
Items
Standard
Communication function
COM0 Port
Items
Interface
Transmission distance
Baud rate
Communication method
Synchronous method
Communication format
Data transmission order
Communication function
(Note 1) When communication is performed at a baud rate of 38400 bps or higher, use the cable not longer than 3 m.
For wiring the RS-232C, a shielded wire must be used to increase noise suppression.
11-2
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USB2.0 FULL SPEED
MEWTOCOL-COM (slave), MEWTOCOL7-COM (slave)
3-wire 1-channel RS-232C
15 m
(Note 1)
300, 600,1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400 bit / s
Half-duplex transmission
Start stop synchronous system
Data length: 7 bits / 8 bits, stop bit: 1 bit / 2 bits, parity: Yes / No (Odd / Even)
Start code: Without STX / With STX, end code: CR / CR + LF / None / ETX
Transmits from bit 0 character by character.
MEWTOCOL-COM (master/slave), MEWTOCOL7-COM (slave)
MODBUS RTU (master/slave)
general-purpose communication
modem initialization
Description
Description
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