Connection Procedure (Gx/Gp) - YOKOGAWA GX10 User Manual

1.2.3 RS-232 Connection Procedure (GX/GP)
IM 04L51B01-17EN
1.2 Operations over the Serial Interface (RS-232, RS-422/485, USB, Bluetooth)
Connect a cable to the 9-pin D-sub RS-232 connector.
Connection
• Connector pin arrangement and signal names
1 2 3 4 5
6 7 8 9
Each pin corresponds to the signal indicated below. The following table shows the signal
name, RS-232 standard, JIS, and ITU-T standard signals.
1
Pin Signal Name
JIS ITU-T RS-232
2 RD 104 BB(RXD) Received data
3 SD 103 BA(TXD) Transmitted data Output signal from the GX/GP.
5 SG 102 AB(GND) Signal ground
7 RS 105 CA(RTS) Request to send Handshaking signal when receiving data from the
8 CS 106 CB(CTS) Clear to send
1 Pins 1, 4, 6, and 9 are not used.
• Signal direction
PC
• Connection example
• OFF-OFF/XON-XON
GX/GP
PC
SD 3 SD
2
RD RD
RS 7 RS
CS 8 CS
SG 5 SG
• XON-RS(XON-RTS)
GX/GP
PC
SD 3 SD
RD 2 RD
RS 7 RS
CS 8 CS
SG SG
5
Name Meaning
Input signal to the GX/GP.
Signal ground.
PC. Output signal from the GX/GP.
Handshaking signal when receiving data from the
PC. Input signal to the GX/GP.
RS [Request to send...Ready to receive]
CS [Clear to send...Ready]
SD [Send data]
RD [Received data]
• CS-RS(CTS-RTS)
GX/GP
PC
SD 3
RD 2
RS 7
CS 8
SG 5
The connection of RS on the PC and CS
on the GX/GP is not necessary. However,
we recommend that you wire them so that
the cable can be used in either direction.
7
8
GX/GP
3
2
SD
RD
RS
CS
SG
1
2
App
1-3