Omron F300 Installation Manual page 42

Expansion Units
Communications
Specifications
Connector Pin Allocation
Connecting a Computer
with a RS-232C I/F Unit
34
Number of channels
Electrical ratings
Synchronization
Transmission speed
Pin no.
1 FG (GND)
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
6 DR (DSR)
7 SG (GND)
20 ER (DTR)
Connect the F300-VR as shown below.
SD (TXD)
RD (RXD)
RS (RTS)
CS (CTS)
DR (DSR)
SG (GND)
ER (DTR)
Note The F300-VR uses a 25-pin connector. Be sure to check the pin arrangement of
the computer before wiring.
Use only shielded RS-232C cable.
2 channels
Conform to EIA RS-232C
Non-synchronous
19,200 bps max.
13
25
14
1
Signal name
Frame ground
Send data
Receive data
Request to send
Clear to send
Data set ready
Signal ground
Data terminal ready
2
3
4
5
6
7
20
Section 2-2
Name
2 SD (TXD)
3 RD (RXD)
4 RS (RTS)
5 CS (CTS)
6 DR (DSR)
7 SG (GND)
20 ER (DTR)