ABB PGC5000 Series Service Instruction Download Page 13

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892J009MNAE | DBDID |

Figure 5-1: Detector port identification

Legend: Detector port identification

Item

Description

Purge gas inlet. (Detector assembly purge not used in most applications.)

Flameproof breather must remain open or connected to optional purge system.

Reaction gas inlet (plasma gas)

Purge gas vent. (Detector assembly purge not used in most applications.)

Flameproof breather must remain open or connected to optional purge system

Detector inlet (chromatograph column connection for analytes to the detector)

Detector vent

Figure 5-2: Power supply dip switch settings

NOTICE – Equipment damage.

Dip switches on the power supply should never be

adjusted without factory support.

Summary of Contents for PGC5000 Series

Page 1: ...ABB MEASUREMENT ANALYTICS 892J009MNAE PGC5000 Gas Chromatograph Dielectric Barrier Discharge Ionization Detector DBDID SERVICE INSTRUCTION Measurement made easy...

Page 2: ...Symptom Spikes 11 4 Specifications 12 4 1 Physical 12 4 2 Power 12 4 3 Modes of operation 12 4 4 Detector sensitivity 12 4 5 Gas consumption 12 5 Drawings 12 List of Figures Figure 1 1 Dielectric Bar...

Page 3: ...d safety regulations concerning the construction and operation of electrical installations The regulation on technical working materials safety guidelines for tools The regulations and recommendations...

Page 4: ...DBDID uses a high voltage alternating current discharge to create a plasma The system operates at a high voltage and a low current which is applied to the glass reactor tube at the round metal electr...

Page 5: ...high voltage alternating current applied to a gas as it flows through a dielectric material The gas is typically helium or argon and the dielectric material is a quartz or Pyrex tube Two electrodes a...

Page 6: ...injury High voltage present Make sure that power to the PGC5000 has been disconnected before removing the detector To remove the detector from the PGC5000 perform the following steps Disable the isoth...

Page 7: ...t the coax cable item 1 in Figure 2 3 from the DBDID amplifier assembly Figure 2 3 DBDID amplifier assembly 1 On the DBDID power supply board unplug the high voltage power connector J2 item 3 the bias...

Page 8: ...g the correct flow 1 Set flows by measuring the flow at the cell vent tube Refer to the data pack for correct flows The detector should automatically light when power is applied To verify remove the f...

Page 9: ...ee the last page of this instruction for contact information Always include the information listed in Equipment Identifications and Configuration Identification in your request When ordering parts for...

Page 10: ...a tube in a dark environment There should be a pink or almost white glow in the plasma tube If the tube is blue and the signal is low there is nitrogen in the plasma Verify that the correct reaction g...

Page 11: ...system 3 6 Symptom Baseline drift Possible Cause Action s Poor pressure control Pressure controls not providing a consistent pulse free flow rate to the detector can cause detector drift Monitor the p...

Page 12: ...ed Argon ionization mode AID In this mode the detector is not sensitive to fixed gases and methane but is sensitive to a wide range of organic and inorganic volatile components It is capable of ionizi...

Page 13: ...to optional purge system 2 Reaction gas inlet plasma gas 3 Purge gas vent Detector assembly purge not used in most applications Flameproof breather must remain open or connected to optional purge syst...

Page 14: ...14 DBDID 892J009MNAE Figure 5 3 Diagram flow PGC5000 air and carrier...

Page 15: ...892J009MNAE DBDID 15 Figure 5 4 PGC5000 oven electronics internal connections diagram sheet 1...

Page 16: ...16 DBDID 892J009MNAE Figure 5 5 PGC5000 oven electronics internal connections diagram sheet 2...

Page 17: ...echnical changes or modify the contents of this document without prior notice With regard to purchase orders the agreed particulars shall prevail ABB does not accept any responsibility whatsoever for...