4
Setting the Relay Operation (relay) ............................................................ 31
Setting the Relay Action .............................................................................. 31
Programming Set and Reset Points ............................................................ 32
Setting Fail-Safe Operation ......................................................................... 32
Programming Time Delay............................................................................ 32
Relay Action for Loss of 4-20 mA Input (Loop Break) ................................. 32
Relay and Alarm Operation Diagrams ......................................................... 32
High Alarm Operation (Set > Reset) .............................................................. 32
Low Alarm Operation (Set < Reset) ............................................................ 33
High Alarm with Fail-Safe Operation (Set > Reset) ..................................... 33
Low Alarm with Fail-Safe Operation (Set < Reset) ..................................... 33
Time Delay Operation ................................................................................. 33
Pump Alternation Control Operation ........................................................... 34
Relay Sampling Operation .......................................................................... 34
Relay Operation Details ................................................................................ 35
Overview ..................................................................................................... 35
Relays Auto Initialization ............................................................................. 35
Fail-Safe Operation ..................................................................................... 35
Front Panel LEDs ........................................................................................ 35
Latching and Non-Latching Relay Operation .............................................. 35
Non-Latching Relay (Auto) ......................................................................... 36
Non-Latching Relay with Manual Reset (A-nman) ....................................... 36
Latching Relay (LatcH) ............................................................................... 36
Latching Relay with Clear (Lt-Clr) ............................................................ 36
Acknowledging Relays ................................................................................ 37
Pump Alternation Control Applications (Altern) ........................................ 37
Setting Up the Interlock Relay (Force On) Feature ..................................... 38
Scaling the 4-20 mA Analog Output (Aout) ................................................. 39
Reset Menu (reset) ....................................................................................... 39
Manual Control Menu (Contrl) ..................................................................... 39
Setting Up the Password (pass) ................................................................... 40
Protecting or Locking the Meter .................................................................. 40
Making Changes to a Password Protected Meter ....................................... 40
Disabling Password Protection.................................................................... 40
Advanced Features Menu ............................................................................. 41
Advanced Features Menu & Display Messages.......................................... 41
Noise Filter (filter) ................................................................................... 42
Noise Filter Bypass (bypass) ...................................................................... 42
Rounding Feature (round) .......................................................................... 42
Modbus RTU Serial Communications (serial) .......................................... 42
Select Menu (SElect) ................................................................................. 43
Input Signal Conditioning (Functn) ............................................................. 43
Low-Flow Cutoff (CutofF) ........................................................................... 44
Analog Output Programming (AoutPr) ....................................................... 44
Programmable Function Keys User Menu (user) ....................................... 45
Tare (tare).................................................................................................. 45
Internal Source Calibration (ICAL) .............................................................. 46
Meter Operation ................................................................................................. 47
Button Operation ........................................................................................... 47
Function Keys Operation .............................................................................. 47
Digital Inputs Operation ................................................................................ 47
Maximum/Minimum Readings ...................................................................... 47
Troubleshooting................................................................................................. 48
Diagnostics Menu (diag) .............................................................................. 48
Testing the Display LEDs ............................................................................ 48
Determining Software Version..................................................................... 48
Reset Meter to Factory Defaults ................................................................... 48
Factory Defaults & User Settings ................................................................ 49
Troubleshooting Tips .................................................................................... 50