Switch User Manual
Normally Closed to
Common 1. Hardware Connections
2. Equipment Setup
• Set DMM to: 2-wire ohms, 1 GΩ 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