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Keithley Instruments, Inc.
28775 Aurora Road
Cleveland, Ohio 44139
(440) 248-0400
www.keithley.com
Introduction
This document contains information on the 4500-CILK-* interlock cable. This cable is used to connect the 451x-QIVC
card interlock circuits to a test fixture switch to inhibit source outputs when the test fixture lid is open.
Connection precautions
WARNING
The interlock is required for safe operation. The test fixtures must ensure that the
interlock circuit is disabled (source outputs inhibited) so that an operator is not
exposed to any harmful conditions.
Description
Cable configuration
The overall configuration of the 4500-CILK-* interlock cable is shown in Figure 1. The cable includes a 14-pin male con-
nector that mates with the 451x-QIVC card interlock connector on one end, and a 9-pin D-sub female connector on the
other end for connections to a test fixture.
Figure 1
4500-CILK-* cable configuration
9-Pin connector
to test fixture
14-Pin connector to
451x-QIVC card
interlock connector
4500-CILK-* Interlock Cable
User's Guide
PA-872 Rev. B / 12-03
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Summary of Contents for Keithley 4500-CILK Series
- Page 1 4500-CILK-* Interlock Cable Keithley Instruments, Inc. User’s Guide 28775 Aurora Road Cleveland, Ohio 44139 (440) 248-0400 www.keithley.com Introduction This document contains information on the 4500-CILK-* interlock cable. This cable is used to connect the 451x-QIVC card interlock circuits to a test fixture switch to inhibit source outputs when the test fixture lid is open.
- Page 2 Cable lengths As summarized in Table 1, the 4500-CILK-* interlock cable is available in four different lengths. The 2m length cable (4500-CILK-2) is supplied with the 451x-QIVC card. Table 1 4500-CILK-* cable lengths Model Length (meters) 4500-CILK-0.5 4500-CILK-1 4500-CILK-2* 4500-CILK-3 * Cable supplied with 451x-QIVC card Connections Card connections...
- Page 3 Interlock connections Connector terminal designations Table 2 lists card connector terminal designations for the 14-pin and 9-pin connectors. Table 2 Interlock cable terminal designations 14-Pin 9-Pin cable cable Signal description connector connector +5VD (+5V digital supply) DIAG – RX (not implemented) DIAG –...
- Page 4 Figure 3 Interlock connections Card 4510-QIVC or 4511-QIVC Card interlock 4500-CILK-* connector cable 9-pin terminals connector terminals Pin 1 Pin 1 Pin 4 Test Pin 7 Switch Channel A Enable fixture Pin 5 Pin 3 Channel B Enable Pin 6 Pin 8 Channel C Enable Pin 7...
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