GW Instek GPT-9900 series User Manual - Manual (Page 108)

GPT-9000/9000A Series User Manual
108
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 102).
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