Unipulse F331 - RS-232 C Interface; Communication Specifications; Cable

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7 OPTION
58
OPTION
Chapter
7
7-4. RS-232C interface
The RS-232C interface is intended to read the indicated value and status of the F331 and read/write
setting values with the F331. It is convenient for processing of control, compilation, recording, etc.,
as the F331 is connected to a computer, PLC, etc..
■Communication specifications
Standards
Signal level: RS-232C-compliant
Transmission distance: Approx. 15m
Transmission mode: Asynchronous, full-duplex communication
Transmission speed: 1200, 2400, 4800, 9600, 19200, 38400bps selectable
Bit configuration: Start bit 1 bit
Length of character 7 or 8 bits selectable
Stop bit 1 or 2 bits selectable
Parity bit None, odd, or even selectable
Code: ASCII
■Cable
The above diagram is for connecting a personal computer as a DTE (Data Terminal Equipment)
device. If it is a DCE (Data Circuit-terminating Equipment) device, connect pin to pin (DTR to
DTR, DSR to DSR etc.).
Cables should be prepared after checking connector type and pin assignments of the connected
device.
TXD
DTR
RXD
GND
Cross type cable
1DTR
2TXD
3RXD
4 GND
1CD
2RXD
3TXD
4DTR
5 GND
6DSR
7RTS
8CTS
9RI
personal computer (D-Sub 9-pin）F331