Manual

2
Table of Contents
1 OVERVIEW.......................................................................................................................................................4
1.1 FEATURES ...................................................................................................................................................4
1.2 MODELS ......................................................................................................................................................4
1.3 FLOW CALCULATION MODEL......................................................................................................................4
1.3.1 Laminar Flow element...........................................................................................................................4
1.3.2 Accutube or Orifice Plate element.........................................................................................................4
2 SAFETY WARNINGS.......................................................................................................................................5
3 CERTIFICATION / SAFETY / WARNINGS.................................................................................................6
4 FRONT PANEL.................................................................................................................................................7
4.1 FLOW METER DISPLAY.........................................................................................................................7
4.1.1 Indicators...............................................................................................................................................7
4.1.2 Display Refresh Rate .............................................................................................................................8
4.1.3 Display Resolution.................................................................................................................................8
4.2 KEYPAD OPERATIONS ..........................................................................................................................8
4.2.1 ON/OFF or BACKSPACE .....................................................................................................................8
4.2.2 ENGINEERING UNITS or UP ARROW...............................................................................................9
4.2.3 BACKLIGHT or DOWN ARROW..........................................................................................................9
4.2.4 PRGM or ENTER ................................................................................................................................10
4.2.5 ZERO FUNCTION...............................................................................................................................10
5 PROGRAMMING ...........................................................................................................................................11
5.1 PROGRAMMABLE REGISTER LIST ...................................................................................................12
6 STARTUP REQUIREMENTS .......................................................................................................................13
6.1 POWER-UP SEQUENCE...............................................................................................................................13
6.2 POWER-UP ERROR CONDITIONS................................................................................................................13
6.2.1 Register Range Errors .........................................................................................................................13
6.2.2 Non-Register Data errors ....................................................................................................................13
6.3 MEASUREMENT MODEL ............................................................................................................................13
6.4 LOW FLOW CUTOFF..................................................................................................................................14
6.5 B COEFFICIENT/FLOW CONSTANT.............................................................................................................14
6.6 C COEFFICIENT..........................................................................................................................................14
6.7 ZERO FLOW REFERENCE ...........................................................................................................................14
7 ZERO REFERENCE.......................................................................................................................................14
7.1 AFFECT ON OUTPUTS..........................................................................................................................14
7.1.1 RE-ZEROING THE GAUGE / OUTPUTS DISABLED (P5=0): .........................................................14
7.1.2 RE-ZEROING THE GAUGE / OUTPUTS ENABLED (P5=1, 2 or 3):...............................................15
7.2 FACTORY ZERO ....................................................................................................................................15
7.3 RANGE CHECK......................................................................................................................................15
8 ENGINEERING UNITS..................................................................................................................................16
8.1 CHANGING ENGINEERING UNITS.....................................................................................................16
9 PROGRAMMABLE REGISTERS ................................................................................................................17
9.1 P0 – LOCKOUT CODE............................................................................................................................17
9.2 P1 – SHUTOFF TIMER...........................................................................................................................17