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MLC-DR64H/DC combines processing, power and 64 onboard digital points in a compact h dc base unit.
The integrated design supports compact stand-alone control while retaining access to compatible MasterLogic 50 expansion I/O.
Select field protection and common wiring for the relay output stage before commissioning.
Honeywell MLC-DR64H/DC is available for quotation and technical support from Apter Power.
Verified resources for Honeywell MLC-DR64H/DC:
The onboard I/O allocation of MLC-DR64H/DC should be mapped against the application point list before replacement.
Expansion capacity is evaluated separately from the base-unit channel count.
Relay outputs provide isolated switching contacts; they do not provide field load power by themselves.
Verify the voltage at the output terminal and the connected device during both commanded states.
Replacement of MLC-DR64H/DC requires more than matching the total channel count.
Power class, output technology, common arrangement and retained program data must all agree with the installed system.
After installing MLC-DR64H/DC, restore the approved application and prove the controlled sequence under site procedures.
Record the final hardware revision, measured supply and functional-test results.





