Helios PD2-6400 High Voltage & High Current Meter
Instruction Manual
4
Relay and Alarm Operation Diagrams ......................................................... 31
Low Alarm Operation (Set < Reset) ............................................................ 31
High Alarm with Fail-Safe Operation (Set > Reset) ..................................... 31
Low Alarm with Fail-Safe Operation (Set < Reset) ..................................... 31
Latching and Non-Latching Relay Operation .............................................. 33
) ......................................................................... 34
Non-Latching Relay with Manual Reset (
) ....................................... 34
) ............................................................................... 34
) ............................................................ 34
Pump Alternation Control Applications (
) ........................................ 35
Setting Up the Interlock Relay (Force On) Feature ..................................... 35
Scaling the 4-20 mA Analog Output (
) ................................................. 36
) ....................................................................................... 36
) ..................................................................... 36
) ................................................................... 37
Making Changes to a Password Protected Meter ....................................... 37
Disabling Password Protection.................................................................... 37
Advanced Features Menu & Display Messages.......................................... 38
) ................................................................................... 39
) ...................................................................... 39
) .......................................................................... 39
Modbus RTU Serial Communications (
) .......................................... 40
) ................................................................................. 40
)............................................................... 40
) ................................................................................ 41
) .............................................................................. 41
) ......................................................................... 41
) ....................................................... 41
Programmable Function Keys User Menu (
) ....................................... 42
) ........................................................................... 43
Maximum/Minimum Readings ...................................................................... 44
) .............................................................................. 45
Determining Software Version..................................................................... 45
Factory Defaults & User Settings ................................................................ 46