Connecting To The Rs-232 Interface - YOKOGAWA WT310EH User Manual

3.3

Connecting to the RS-232 Interface

To connect this instrument to a PC, use an interface cable that is compatible with this instrument
specifications. Be sure to align the handshaking, data transfer rate, data format, and so on with the
PC. For the settings, see section 3.4.
Connector and Signal Names
WT310E/WT310EH
1 2
6 7
DELC-J9PAF-13L6 or equivalent
Pin No.
2
3
5
7
8
* Pins 1, 4, 6, and 9 are not used.
9-pin to 25-pin Adapter and Signal Names
3 2
(2) (3) (4)
Numbers in parentheses are pin numbers for the 25-pin connector.
Signal Direction
The following figure shows the directions of the signals of this instrument RS-232 interface.
PC
IM WT310E-17EN
WT332E/WT333E
3 4
5
6
7
8
8 9 9
Signal Name Input or Output
RD (Received Data)
Input
SD (Send Data)
Output
SG (Signal Ground) ----
RS (Request to Send)
Output
CS (Clear to Send)
Input
7 8 5
(5) (7)
RS [Request to send]
CS [Clear to send]
SD [Send data]
RD [Receive data]
1
2
3
4
5
Function
Data received from the PC
Data sent to the PC
Signal ground
Handshaking signal for receiving data from the PC
Handshaking signal for sending data to the PC
7
8
This
instrument
3
2
1
2
3
4
5
6
7
8
9
App
Index
3-3