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RS-232C INTERFACE
11.
(1) Interface specification
The Leak Tester can output the data to an AD-8127 (multi printer: sold separately),
AD-1688 (weighing data logger) or a personal computer. etc.
This model is a DCE device. Connect the Leak Tester to a personal computer (DTE),
using a straight through cable.
Transmission system
Transmission form
Data format
Example: Connected to an AD-8127
AD-8127
* Set the mode of the AD-8127 to "Dump printing mode".
The AD-8127 can print the example of "(2) Output format" (next page).
Pin connections
Signal
Pin No.
Name
1
2
3
4
5
6
7
8
9
The names are the DTE side other than the TXD and RXD.
: EIA RS-232C (Connector type: D-Sub9 pin (male))
: Asynchronous, bi-directional, half duplex
: Baud rate : 2400 bps
Data bits : 7 bits
Parity
Stop bit
Code
Direction
-
-
TXD
Output
RXD
Input
-
-
SG
-
DSR
Output
RTS
Input
CTS
Output
-
-
: Even (Data bits 7 bits)
: 1 bit
: ASCII
Description
Internally used
Transmit data
Receive data
Internally used
Signal ground
Data set ready
Request to send
Permission to send
Internally used
22
AD-1690
9 8 7 6
5 4 3 2 1
Screw: inch #4-40
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