61
2.
Configure the Start Ctrl option to
REMOTE CONNECT in the Common
Utility menu.
Page 57
3.
The tester will now only be able to start
a test using a remote controller.
NOTE
Even if the STW-9000 is configured to use the REMOTE
CONNECT option, the STOP button on the front panel can
still be used to stop a test.
4.
To return the operation control to the
front panel, configure the Start Ctrl
option to FRONT PANEL.
Page 57
3.2 SIGNAL I/O Overview
Overview
The SIGNAL I/O port can be used to remotely start/stop
tests and monitor the test status of the instrument. The
SIGNAL I/O port is also used for the interlock function
(page 58).
The SIGNAL I/O port uses a DB-9 pin female connector.
Pin Assignment
6
9
7 8
1 2 3 4 5
Pin name
Pin Description
INTERLOCK1
1
When INTERLOCK is ON, a test is only allowed to start
when both INTERLOCK pins are shorted.
INTERLOCK2
2
INPUT_COM
3
Common input line
INPUT_START
4
Start signal input
INPUT_STOP
5
Stop signal input
OUTPUT_TEST
6
Indicates that a test is in progress
OUTPUT_FAIL
7
Indicates that a test has failed
OUTPUT_PASS
8
Indicates that a test has passed
OUTPUT_COM
9
Common output line
Interlock
connection
PIN 2 INTERLOCK2
PIN 1 INTERLOCK1
Input Connection
PIN 5 INPUT_STOP
PIN 3 INPUT_COM
PIN 4 INPUT_START