Helios PD2-6262 Dual Analog Input Rate/Totalizer
Instruction Manual
4
Relay and Alarm Operation Diagrams ......................................................... 37
Low Alarm Operation (Set < Reset) ............................................................ 37
High Alarm with Fail-Safe Operation (Set > Reset) ..................................... 37
Low Alarm with Fail-Safe Operation (Set < Reset) ..................................... 37
Total Relay Sampling Operation ................................................................. 38
Pump Alternation Control Operation ........................................................... 39
Latching and Non-Latching Relay Operation .............................................. 40
) ......................................................................... 41
Non-Latching Relay with Manual Reset (
) ....................................... 41
) ............................................................................... 41
) ............................................................ 41
Pump Alternation Control Applications (
) ........................................ 42
Setting Up the Interlock Relay (Force On) Feature ..................................... 43
Scaling the 4-20 mA Analog Output (
) ................................................. 44
) ....................................................................................... 44
) ..................................................................... 44
) ................................................................... 45
Protecting or Locking the Meter Functions .................................................. 45
Total Reset Password & Non-Resettable Total ........................................... 45
Making Changes to a Password Protected Meter ....................................... 45
Disabling Password Protection.................................................................... 45
Advanced Features Menu & Display Messages.......................................... 46
) ................................................................................... 48
) ...................................................................... 48
) .......................................................................... 48
Modbus RTU Serial Communications (
) .......................................... 48
) ................................................................................. 49
) ............................................................. 49
) ........................................................... 49
Programmable Exponent Linearization (
) ........................................ 49
)............................................................... 50
) ................................................................................ 50
) .............................................................................. 50
) ........................................................................... 50
) ............................................................... 51
) ....................................................... 52
Programmable Function Keys User Menu (
) ....................................... 53
) ........................................................................... 55
Maximum/Minimum Readings ...................................................................... 56
) .............................................................................. 57
Determining Software Version..................................................................... 57
Factory Defaults & User Settings ................................................................ 58