I/o definition – GW Instek GLC-9000 User Manual User Manual
Page 166
GLC-9000 User Manual
166
I/O Definition
Apart from power, all external control signals are active low.
Pin
No.
Input/
Output
Signal
Name
Description
1
Input
KEYLOCK
The key lock is active on a low level
signal.
2
Input
STOP
Stop the current measurement
3
Input
LOAD1
Selects a panel setting to load.
LOAD1 is bit 2 of 5
4
Input
LOAD3
Selects a panel setting to load.
LOAD3 is bit 4 of 5
5
Input
TEST
Active when testing
6
---
Reserved
7
Output
PASS
Active on a PASS judgement
8
Output
L-FAIL
Active on a FAIL judgement (under
lower limit)
9
---
Reserved
10
Output
5VDC
Internal power supply
11
Output
5VDC
12
Output
GND-INT
Internal ground
13
Output
GND-INT
14
Input
START
Start the Automatic measurement.
Measurement will start when Load0
to LOAD4 are set and START is set to
low (active low). The corresponding
panel is also read.
15
Input
LOAD0
Selects a panel setting to load.
LOAD0 is bit 1 of 5