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Output Connection
PIN 6 OUTPUT_TEST
PIN 9 OUTPUT_COM
PIN 8 OUTPUT_PASS
PIN 7 OUTPUT_FAIL
Signal Properties
Input Signals
High level input voltage
5V ~ 32V
Low level input voltage
0V ~ 1V
Low level input current
Maximum of -5mA
Input period
Minimum of 1ms
Output Signals
Output Type
Relay form A
Output Rated Voltage
30VDC
Maximum output current
0.5A
3.2.1 Using the SIGNAL I/O to Start/Stop Tests
Background
To use the SIGNAL I/O port the Start Ctrl settings have to
be set to SIGNAL I/O in the Common Utility menu.
Panel operation
1.
Set the Start Ctrl option to SIGNAL I/O.
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2.
Connect the Input/Output signals to the
SIGNAL I/O port.
3.
To start the testing, short the INPUT_STOP
and INPUT_COM line for a minimum of 1ms
to put the tester into READY status.
4.
To start the testing, short the INPUT_START
and INPUT_COM lines for a minimum of 1ms.
5.
To stop the testing, temporarily short the
INPUT_STOP and INPUT_COM line again.
NOTE
Even if the STW-9000 is configured to use the SIGNAL I/O
interface, the STOP button on the front panel can still be
used to stop a test.
3.2.2 Using the Interlock Key
Background
When the INTERLOCK function is set to ON, tests are
only allowed to start when both Interlock pins on the signal
I/O port are shorted. Using the Interlock key will short the
INTERLOCK1 and INTERLOCK2 pins on the signal I/O
port.
See page 61 for the Signal I/O pin assignment.