HANDLER/SCAN INTERFACE
13/10/2016 Version No. 001
95
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, 22~25
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.
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