Remote EPO Connector

The remote emergency power off (EPO) connector provides access to the power distribution unit (PDU) Disable loop. It also provides dry contacts for remote shutdown of external equipment. This connection allows immediate action to complete the following:

  • When the EPO button on the measurement rack is depressed, the remote EPO connector switches all external equipment on the external safety loop to the EPO state.
  • When an external instrument on the external safety loop enters an EPO state, the remote EPO connector switches the measurement rack into the Remote EPO state. For more information about this state, refer to Measurement Rack Power States.

When the external instrument exits its EPO state, the remote EPO connector switches the measurement rack out of the Remote EPO state into its previous state.

The Remote EPO connector has connections for the EPO button and the external safety loop.

Figure 8. Remote EPO Connector

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Table 6. Remote EPO Connector Terminals
Terminal Connection Normal State EPO State
1 External safety loop Closed Open
2 External safety loop Closed Open
3 Dry contact, EPO button Closed (default) Open
4 Dry contact, EPO button Closed (default) Open

Use the following mating components to create interlock cabling for an external safety loop.

Table 7. Remote EPO Connector Mating Components
Component Manufacturer/Part Number
Plug assembly, size 11 reverse sex series 1, CPC (1 ea) TE connectivity 206429-1
Kit, cable clamp, standard shell sixe 11, CPC (1 ea) TE connectivity 1-206062-4
Strip, III+SKT, 18-16, 30AU/FL (4 ea) TE connectivity 66099-4
Note You must install the EPO loopback dongle included the accessory kit if you are not creating an external safety loop.