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16

TN512955-E

Appendix-1. Piping diagram

No. Name of product

Applicable length

Piping diameter

①

Teflon tube

About 0.5 m



3 mm/2mm

②

Teflon tube

About 0.5 m



5 mm/4mm

③

SUS tube

④

Nylon tube

About 0.5 m



3 mm/2mm

⑤

Teflon tube

About 0.5 m



5 mm/4mm

Appendix

INLET

OUTLET

SUBGAS

Gas inlet

Gas outlet

Reference
gas inlet

Sensor

Inner case

Rear panel of analyzer

①

②

③

④

⑤

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Содержание ZAJ

Страница 1: ...Service Manual TN512955b E PARAMAGNETIC OXYGEN ANALYZER TYPE ZAJ...

Страница 2: ...strictly prohibited unless a written approval is obtained from the manufacturer Fuji Electric will not bear any responsibility for a trouble caused by such a modification Name Q ty Remarks Analyzer m...

Страница 3: ...A 0 to 1V 5 4 REPLACEMENT OF PARTS 6 4 1 Replacement of restrictor 6 4 2 Replacement of switching power supply 6 4 3 Replacement of sensor 7 4 4 Replacement of display 8 5 CHECK FOR SIGNALS 9 5 1 Chec...

Страница 4: ...oof type Do not use it in a place with explosive gases to prevent explosion fire or other serious accidents CAUTION This unit should be installed in a place which conforms to the conditions noted in t...

Страница 5: ...h oil and grease are not adhering If such a material is adhering a fire or the like accident may be caused Caution on wiring CAUTION The unit must be earthed as specified Otherwise it may cause electr...

Страница 6: ...instrument with a wet hand Otherwise you will have a shock hazard If the fuse is blown eliminate the cause and then replace it with the one of the same capacity and type as before Otherwise shock haza...

Страница 7: ...screw 3 Power switch 4 Display and operation panel 8 Reference gas inlet 7 Purge gas inlet 6 Sample gas outlet 5 Sample gas inlet 9 I O signal terminal 1 1 Handle 2 Knurled screw Front Rear 11 Screw f...

Страница 8: ...pply has been performed carry out the signal check as described in Section 5 After that perform zero calibration and span calibration and flow sample gas Caution For protection of the sensor be sure t...

Страница 9: ...stopper provided on the outer case prevents the inner case from being removed fully Photo 2 3 Components inside the inner case SW power supply 1 for magnet driving Sensor Fuse SW power supply 2 for c...

Страница 10: ...The LCD contrast adjustment is performed by means of the VR of the display printed circuit board When the VR is turned clockwise by a precision driver display characters turn dark and when it is turn...

Страница 11: ...selected This mode contains 4 to 20mA output 0 to 1V output coil pulse manual gain synchronous pulse zero memory span memory magnet reset and peak code input Be careful not to get in items other than...

Страница 12: ...shown in the Photo 2 3 SW power supply 1 is used for magnet driving and SW power supply 2 for circuit use To replace the switching power supply perform how to stop analyzer given in section 2 1 Turn O...

Страница 13: ...ignal cable connector Unscrew 3 screws from the mounting board while holding the sensor by hand and remove the sensor and mounting board from the instrument Unscrew 4 screws fastening the mounting boa...

Страница 14: ...of the inner case and remove the front frame from the inner case Note that the soldered AC power cable cannot completely be removed from the instrument Unscrew 6 screws fastening the display printed c...

Страница 15: ...lloscope Pulse cycles depend on power frequencies At power frequency of 50Hz 12 5 0 5Hz At power frequency of 60Hz 15 0 0 5 Hz 5 3 Check and adjustment of synchronous rectification waveforms Synchrono...

Страница 16: ...erformed and poor measurement results will be obtained 0V 2 0 5V Good 0V 2 0 5V Not good MEAS MODE H ON R OFF L OFF A OFF ADJUST MODE MOVE AVE CLOCK Factory Mode Sync phase Amp gain Zero save Sync pha...

Страница 17: ...the MANUAL ZERO CAL ERR code appears in the manual calibration check calibration gas range settings and calibration concentration settings Caution If the range settings have changed an error may be d...

Страница 18: ...nge the reference gas and range Err 5 Output device error OUTPUT DEVICE ERR This code is displayed when a response is not received from an output printed circuit board Countermeasures Check the cable...

Страница 19: ...eference gas line Does measure ment gas pressure fluctuate For reference gas joint Is cap screw loose Is reference gas line properly air tight Is valve fully open Needle valve for reduce valve Take an...

Страница 20: ...rictor 2 years 5 Fuse 757642 2A 6 4 x 30 mm 2 years Recommended replacement cycle for maintenance parts is at least 2 years Prepare maintenance parts every 2 years Maintenance parts including No 1 to...

Страница 21: ...point Zero temperature compensation table Temperature compensation table for zero point 2 gain 2 O2 gain 100 gain 100 O2 gain Name First address Length of data Byte Number of data Type of data Zero a...

Страница 22: ...ngth Piping diameter Teflon tube About 0 5 m 3 mm 2mm Teflon tube About 0 5 m 5 mm 4mm SUS tube Nylon tube About 0 5 m 3 mm 2mm Teflon tube About 0 5 m 5 mm 4mm Appendix INLET OUTLET SUBGAS Gas inlet...

Страница 23: ...CPU printed circuit board Thermistor Power terminal block Noise filter Power supply switch Fuse holder Relay terminal block Magnet driven wiring Magnet terminal block Display board Flat cable CPU boa...

Страница 24: ...18 TN512955 E Appendix 3 1 CPU printed board J6 J5...

Страница 25: ...TN512955 E 19 Appendix 3 2 A D printed circuit board J11 J15 J13 J12 J14...

Страница 26: ...20 TN512955 E Appendix 3 3 Display output printed circuit board VR1...

Страница 27: ...TN512955 E 21 Appendix 3 4 Analyzer printed circuit board Appendix 3 5 Output printed circuit board CN1 CN5...

Страница 28: ......

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