Promag 53 Operating Manual (BA) - gommci.com

1 proline Promag 539 Trouble-shootingEndress+ Hauser115 Fig. 57:Field housing: removing and installing printed circuit boards1 Local Ribbon cable (display module)2 Screws of electronics compartment cover3 Aperture for installing/removing boards4 Power unit board5 Amplifier Electrode signal cable (sensor) Coil current cable (sensor) S-DAT (sensor data memory) T-DAT (transmitter data memory)6I/O board (flexible assignment) F-Chip (function chip for optional software) Pluggable submodules (status input and current input; current output, frequency output, relay output)7I/O board (permanent assignment) F-Chip (function chip for optional software) 2 INPUT/OUTPUT 3 INPUT/OUTPUT Electrode Test Points With Meter Filled Electrode 1 to ground impedance should be within 20% of electrode 2 to ground EPD electrode to ground should be appox.

2 The same as Electrode 1 or 2, but likely a bit higher. Measured impedance is a function of fluid conductivity Coating inside meter can affect impedance measurement Open connection might mean internal damage to meter or bad electrical connection A EPD Electrode - Inner Conductor B Ground C Electrode 2 - Inner Conductor D Electrode 1 - Inner Conductor G Electrode 1 Shield Outer Conductor F Electrode 2 Shield Outer Conductor E EPD Shield Outer Conductor Promag 50/53 Sensor Connector Outer Conductor Inner Conductor Coil Test Points Resistance Check of remote check electrodes:Pipe must be completelyfull!!!1) Power unit ) Disconnect the wiring at either the electronics orthe ) 41 to 42 should readresistance in the ) 41 or 42 to groundshould read ) 5 to ground, 7 to ground,37 to ground should read within 20% of each Promag 539 Trouble-shootingEndress+ Hauser117 Fig.

3 58:Wall-mounted housing: removing and installing printed circuit boards1 Housing cover2 Electronics module3 Ribbon cable (display module)4 Screws of electronics compartment cover5 Aperture for installing/removing boards6 Power unit board7 Amplifier Electrode signal cable (sensor) Coil current cable (sensor) S-DAT (sensor data memory) T-DAT (transmitter data memory)8I/O board (flexible assignment) F-Chip (function chip for optional software) Pluggable submodules (status input and current input, current output, frequency output, relay output)9I/O board (permanent assignment) F-Chip (function chip for optional software)67833412 INPUT/OUTPUT 2 INPUT/OUTPUT 3 INPUT/OUTPUT