A SERVICE OF

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Normally Closed to
Common 1. Hardware Connections
2. Equipment Setup
Set DMM to: 2-wire ohms, 1 G range.
Send *RST to the switch.
Send the CLOS (@100:115) command to the switch to open all NC
contacts.
3. DC Isolation Reading
Trigger the DMM and record the reading.
Figure 2-5. DC Isolation Test (NC Channels to Common)
28 Verification Tests Chapter 2