HANDLER/SCAN INTERFACE
83
Pin Definitions for the SCAN Interface
As this interface is used for the handler and scan functions, the interface
pinout depends on the function mode. The following pinout is only applicable
when using the Scan function.
HANDLER / SCAN / EXT I/O
1
14
13
25
Scan Interface
Pin
Name Description
In/Out
1,9-13,15-17,21,23
-25
Reserved
2
Trigger Start for Scan measurement.
In
3,14,18
GND Ground.
4
High
High signal. Indicates a HI compare
result.
Out
5
Clock The clock signal will pulse high when
each group of output signals (Relay,
Pass, Low, High) are ready. There are
up to 100 groups of output signals.
Out
6
Low
Low signal. Indicates a LO compare
result.
Out
7
Pass
Pass signal. Indicates an IN compare
result (pass).
Out
8
VINT Internal DC V5V.
Out
19
VEXT External DC Voltage, acceptable
range is +5V.
In
20
Relay
Controls the relay output.
Out
22
STRB After all (up to 100) output groups
are ready, the STRB signal will pulse
high.
Out
For backwards compatibility with the GOM-802 scanner interface, please see
page 89.
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