QuadTech Guardian 2500 Series User Manual

Page 76 of 76 Interface
3.4 Enhanced Remote I/O Interface
An enhanced remote I/O interface is available as an option to the Guardian 2500 Series,
through a 25 pin DIN connector on the rear panel of the instrument. This option also
includes the RS-232 interface. Refer to Table 3-2 for signal names, pin numbers as
necessary for cable connections.
Table 3-2
Parallel Interface Connections
Signal Name Pin Number Function
Outputs:
Ground 1, 7,25 Signal ground
Pass2 4 Used in conjunction with Pass1, relay closure
indicating pass condition. Relay remains closed
until next test started.
Fail1 5 Used in conjunction with Fail2, relay closure
indicating fail condition. Relay remains closed until
STOP button is pressed.
Pass1 6 Relay closure indicating pass condition.
Ut1 8 Used in conjunction with Ut2, relay closure
indicating test in process. Relay remains closed
until test is completed.
FailHi 14 Fail due to High Limit
FailLo 15 Fail due to Low Limit
FailArc 16 Fail due to Arc Limit
FailGC 17 Fail due to Gnd Continuity Limit
Ut2 20 Relay closure indicating test in process
+5V 21 +5VDC through 100 ohms
Fail2 22 Relay closure indicating fail condition.

QuadTech Guardian 2500 Series Specifications

General

Brand	QuadTech
Model	Guardian 2500 Series
Category	Test Equipment
Language	English