Model 2601B-PULSE System SourceMeter Instrument Reference Manual Section 2: Installation
2601B-PULSE-901-01A April 2020 2-45
Figure 25: External source interlock connections
Wiring the interlock mating connector
Use the Keithley Instruments CS-1616-3 Safety Interlock Mating Connector supplied with the
2601B-PULSE to make the interlock connection to the 2601B-P-INT. You must supply connection
wire. When using the CS-1616-3 interlock mating connector with a Keithley instrument, use the
following recommendations for choosing a connection wire:
• Copper alloy
• 7 to 19 bare and tinned strands
• 0.25 mm
2
to 0.50 mm
2
, 20 AWG to 24 AWG
• Flexible vinyl, semi-flexible vinyl, polyethylene, cross-linked polyethylene, or PTFE
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.
To assemble the interlock:
1. Insert the wire into the CS-1616-3.
2. Use a pair of pliers to squeeze the connector sections together.
You cannot disassemble and reuse the CS-1616-3.
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