Servomex Xentra 4900

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Xentra 4900

Continuous Emissions Analyser

Installation and Operation Manual

Ref:04900/001B/4

Order as part 04900 001B

Main Page

Table of Contents8
Glossary15
General Description15
Location of Components18
Introduction to the Xentra User Interface18
Figure 1.1 Key Features of Xentra18
The Xentra Measurement Display19
Figure 1.2 Xentra Measurement Display19
Figure 1.3 Xentra Process Variable Format19
The Xentra Keypad21
Figure 1.4 the Xentra Keypad21
The Xentra Screen Icons22
Figure 1.5 Xentra Status Icons22
The Xentra Menu Display23
Numeric Data Input24
Password Protection24
Transducer Site Numbering System25
Output Numbering System25
Transducer Full Scale Deflection25
Technical Assistance and Spare Parts26
Table 1.1 Transducer FSD Values26
Section 2 Installation27
Introduction27
Unpacking and Inspection27
Figure 2.1 Recommended Handling28
Panel Mount Installation29
Rack Slide Mounting Installation30
Figure 2.2 Panel Mounting Detail30
Figure 2.3 Rack Installation Exploded View30
Table 2.1 Rack Mount Installation Kit Parts List31
Electrical Power Connection32
Figure 2.6 Fuse Holder Spring Clips33
Signal Connections34
Figure 2.7 Signal Socket Assembly37
Table 2.2 Loose Socket Parts37
Table 2.3 Signal Terminal Location PL1 to PL438
Serial Output Connection39
Table 2.4 Signal Terminal Location PL539
Table 2.5 Serial Output Connections PL639
External Autocalibration Connection40
Table 2.6 External Autocalibration Connections40
Table 2.7 External Autocalibration Truth Table40
Sample Stream Connection41
Table 2.8 Sample Ports41
Figure 2.8 Sample Gland Plate Without Auto Calibration42
Figure 2.9 Sample Gland Plate with Internal Auto Calibration42
Figure 2.10 Sample Gland Plate with External Auto Calibration43
Figure 2.11 Typical Single Stream, Dual Gfx Configuration43
Figure 2.12 Typical Dual Stream, Dual Gfx Configuration44
Sample Gas Condition45
Table 2.9 Sample Gas Conditions45
Calibration Gas Sample Connection46
Table 2.10 Recommended Calibration Gases47
Table 2.11 Recommended Component Concentrations47
Reading Flowmeters48
Power up48
Section 3 Initial Configuration49
Setting Passwords49
Table 3.1 Changing the Passwords49
Setting Time and Date50
Table 3.2 Setting Time and Date50
Section 4 Calibration51
Introduction to Calibration51
Recommended Calibration Check Periods52
Setting Low and High Calibration Tolerances52
Table 4.1 Recommended Calibration Periods52
Paramagnetic Transducer Low and High Manual Calibration53
Table 4.2 Setting Low and High Calibration Tolerances53
Table 4.3 Paramagnetic Low and High Calibration54
Gfx Gas Transducer Low and High Manual Calibration55
Table 4.4 Gfx Sensor Low and High Calibration56
Manual Cal Check Low and High57
Table 4.5 Low Cal Check58
Table 4.6 High Cal Check58
Auto Calibration Overview59
Figure 4.1 Typical Autocalibration Sequence59
Monitoring the Progress of Auto Calibration61
Auto Calibration and Auto Check Setup61
Figure 4.2 Screen Icons Indicating Autocalibration Progress61
Table 4.7 Setting up Auto Calibration and Auto Check63
Initiating Auto Calibration or Auto Check from Keypad64
Initiating Auto Calibration or Auto Check by External Contact Closure64
Table 4.8 Initiating Auto Cal or Check from Keypad64
Aborting an Auto Calibration in Progress65
Disabling Auto Calibration and Autocheck65
Restarting Auto Calibration or Auto Check after Disabling65
Table 4.9 Aborting Auto Cal or Auto Check65
Scaling ( Calibration ) of the External Analogue Inputs66
Table 4.10 External Analogue Input Scaling66
Section 5 Main Configuration67
Alarms67
Table 5.1 Setting up Alarms68
Allocation of Relays69
Figure 5.1 Allocation of Relays69
Table 5.2 Allocation of Relays70
Analogue Outputs71
Table 5.3 Clearing of Relay Assignment71
Table 5.4 Analogue Output Span Limits72
Table 5.5 Setting up Analogue Outputs73
Table 5.6 Clearing an Analogue Output Assignment74
Component Name Definition75
Table 5.7 Component Name Definition75
External Analogue Input Configuration76
Table 5.8 External Analogue Input Definition76
Defining and Selecting Measurement Displays77
Table 5.9 Defining and Selecting Measurement Displays77
Display Resolution78
Response Time78
Display Units78
Table 5.10 Setting Response Time and Resolution78
Calculation of Total Nitrogen Oxides (no ) Concentration79
Table 5.11 Setting the no Conversion Parameters80
Figure 5.2 Format of Serial Output Data Frame81
Table 5.12 Serial Communications Parameters81
Table 5.13 Setting the Serial Output Frame Frequency81
Table 5.14 Setting the Serial Output Communications Parameters83
Section 6 Review85
Introduction to Review Section85
Displaying Alarms Present85
Displaying Faults Present85
Table 6.1 Displaying Alarms Present85
Table 6.2 Displaying Faults Present85
Displaying Relay Configuration86
Displaying Analogue Output Configuration86
Table 6.3 Displaying Relay Configuration86
Table 6.4 Displaying Analogue Output Configuration87
Displaying Alarm Settings88
Table 6.5 Displaying Alarm Settings88
Displaying Analyser Identity89
Displaying Alarm History89
Table 6.6 Displaying Analyser Identity89
Displaying Fault History90
Displaying Calibration History90
Table 6.7 Displaying Alarm History90
Table 6.8 Displaying Fault History90
Table 6.9 Displaying Paramagnetic Gas Sensor Calibration History91
Displaying Diagnostics Information92
Table 6.10 Displaying Diagnostic Information92
Section 7 Routine Maintenance93
Replacing Fan Filter Element93
Replacing Sample Filter Element93
Cleaning93
Section 8 Fault Diagnosis95
Introduction95
Fault Diagnosis on the Pm1156 Transducer95
Table 8.1 Fault Diagnosis on the Pm1156 Transducer95
Fault Diagnosis on the Gfx 1210 Transducer97
Table 8.2 Diagnostic Signals for the Pm1156 Transducer97
Table 8.3 Fault Diagnosis on the Gfx1210 Transducer97
Table 8.4 Diagnostic Signals for the Gfx 1210 Transducer98
Fault Diagnosis with a Non-Functioning Display99
Table 8.5 Fault Finding with Non Functioning Display99
Section 9 Spares101
Ordering Spares101
Spare Parts List101

Servomex Xentra 4900 - Page 3

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