High Voltage SourceMeter Instrument Reference Manual Section 4:
2470-901-01 Rev. A / May 2019 4-5
To ensure proper interlock operation, the combined resistance of the external interlock switch and
connection wires must be less than 10 Ω when the switch is closed.
The interlock pin locations and connections are shown in the following figure. The pins are:
• Pin 3: Earth and chassis ground
• Pin 2: Interlock
• Pin 1: +6 VDC out (current limited)
Fi
gure 55: 2470 interlock pins
To assemble the interlock:
1. Insert the wire into CS-1616-3.
2. Use a pair of pliers to squeeze the connector sections together.
You cannot disassemble connector and reuse it.
Front- or rear-panel test connections
You can use either the front-panel or the rear-panel terminals to make connections to the device
under test (DUT). The instrument must be set to use either the front or the rear terminals.
You cannot make some connections to the front-panel terminals and some to the rear-panel
terminals for the same test setup. All connections for the same test must be made to either the
front-panel or the rear-panel terminals.
Be aware that hazardous voltages can appear on the LO terminals even if the terminals are
not presently selected. The TERMINALS switch selects the active terminals for the
measurement. It does not disconnect the terminals.
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