QuadTech Guardian 2500 Series Instruction Manual page 77

Signal Name Pin Number
Stop
Start
Data0
Data1
Data2
Data3
Multi-Step Test
Interlock Enable
Interlock
Interface
Table 3-2 (continued)
Parallel Interface Connections
Inputs:
3 Stops a test and remove high voltage. This input
or STOP button must be used to resume operation
after a test fail, unless remote communication is
enabled (in which case the Stop command serves
the same function).
2 Starts the test
9 Binary code 1 (LSB) that determines test number
to run (1 thru 15 single user define tests or 1 thru
9 multiple tests). Value is read when Start is
initiated. This line must be set 20msec before
start and held for 20msec after.
10 Binary code 2 to determine test number
11 Binary code 4 to determine test number
12 Binary code 8 to determine test number
13 When asserted Data0....3 determine multiple test
number, when not asserted Data0....3 determine
single test number.
Data0....3 all off is invalid condition.
19 When held low the Interlock function is enabled.
24 Used in conjunction with Interlock Enable, and
when held low will enable operation of the
instrument
13
1
Pin Configuration (Viewed from Rear Panel)
Function
This line asserted and
25
14
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