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Plc interface – Ransburg GMS Ground Monitoring System A12520-XXXX User Manual

Page 17

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LN-9265-09.2

17

PLC INTERFACE

The PLC interface for the Ground Monitor is very simple (Figure 1).
1. There is an input (2TB-5) to tell the process to initialize. This sinking input circuit needs a ground supplied to initial-

ize the process.

2. The fault output is based on a non-grounded part detection. If a non-grounded part is detected a relay will close a

set of dry contacts (2TB-1 to 2TB-2) signaling a device of the users choice (light, horn, PLC, etc).

3. A “High Voltage On” output is also available to signal an external device (light, horn, PLC, etc). A set of dry contacts

(2TB-3 to 2TB-2) close when the high voltage is On. See page 20 for the maximum allowable electrical ratings for

the relay contacts.

NOTE: 2TB is common to both HV out and FAULT output

Figure 1