Servomex 2500 Series - 7.1.14 485 Purge Controller (2500 EU1 Only); 7.1.15 Alternative Purge Controller (2500 EU1 Only)

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7.5

7.1.14 485 Purge Controller (2500 EU1 Only)

Requires maximum of 40 l/min clean dry Nitrogen or clean dry Air at 3-7 barg,

depending on application.

7.1.15 Alternative Purge Controller (2500 EU1 Only)

Minimum flow rate = 10 SLPM for 11 minutes.

Minimum overpressure = 0.5 mBar.

Maximum overpressure = 80 mBar.

Refer to Certification Manual (Certificate SIRA 02ATEX1395X) for definitive

requirements and operational parameters.

Main Page

Table of Contents5
Introduction9
General Description10
Figure 1.1 2500 Overall View10
Basic Construction11
Options and Accessories12
Heated Sample Cell - Electrical12
Figure 1.2 2500 Construction12
Heated Sample Cell - Steam13
Optional Output Cards13
Compensation Options13
Application Options14
Installation - General15
Introduction15
Preparation15
Tools15
Safety Precautions15
Unpacking and Inspection15
Electrical Connections16
Installation17
Positioning17
Mounting Details18
Figure 2.1 2500 Positioning Restrictions19
Figure 2.2 2500 Mounting Details20
Instructions Specific to Hazardous Area Installations21
ATEX Label Information22
Installation - Electrical25
Electrical Power Connections25
Figure 3.1A 2500 AC Power and Valve Connections (Purged Filter)27
Figure 3.1B 2500 AC Power and Valve Connections (Non-Purged Filter)28
Figure 3.2 2500 Series Terminal Locations29
Signal Connections30
Figure 3.3 Signal Cable Connections30
Analogue Outputs31
Figure 3.4 SIB and Optional Output Pcb's31
Table 3.1 Analogue Output Connections32
Analogue Output Link Selections on Sensor Interface Board (SIB) PCB33
Relay Outputs34
Relay Output Link Selection34
Table 3.2 Relay Output Connections34
Control Connections35
Table 3.3 External Control Connections35
Range Change Input36
Autocalibration Initiation Input36
Password Keyswitch Input36
Sample Flow Sensor Input37
Solenoid Valve Drives37
Externally Powered Solenoid Valve Connections38
Table 3.4 Externally Powered Solenoid Valve Connections38
Internally Powered Solenoid Valve Connections39
Table 3.5 Internally Powered Solenoid Valve Connections39
Digital Connections40
RS-232 Connection40
Figure 3.5 Autocalibration Valve Configuration40
Table 3.6 Serial Data Format41
Table 3.7 Fault Number Reference45
Table 3.8 ASCII Characters46
Table 3.9 RS232 Connections46
Pressure Transducer Connections - (if Supplied)47
Table 3.10 Pressure Transducer Connections47
Figure 3.6 Typical Pressure Transducer Assembly48
Installation Gas Connections49
Purge Connections (EU1)49
General Purge Connections49
Figure 4.1 Purge Connection Schematic49
End Boss Purge Connection51
Introduction51
End Boss Scrubbers51
End Boss Vents52
End Boss Purge52
Figure 4.2 Cell End Boss Connection53
Steam Heated Cell54
Process Stream Connection54
Basic Operation54
High Integrity Operation54
Power-Up54
Fault Diagnosis and Cell Maintenance57
Introduction57
Diagnostics57
Table 5.1 Diagnostic Displays58
General Fault Conditions59
Table 5.2 General Fault Messages59
Serious Fault (Shutdown) Conditions61
Cell Maintenance61
Table 5.3 Serious Fault Displays61
Figure 5.1 General Cell Construction62
Routine Leak Checks65
Spares Lists67
Spares List67
General67
Table 6.1 General Spares List67
Sample Cell Spares68
Table 6.2 Sample Cell Spares68
Source Units69
Detector Units69
Table 6.3 Source Unit Spares69
Table 6.4 Detector Spares69
Windows70
Scrubbers70
Table 6.5 Window Spares70
Table 6.6 Scrubber Spares70
Recommended Spares71
Table 6.7 Recommended Spares71
Instrument Specifications73
Generic 2500 Series Performance73
Environmental Specifications73
Dimensions73
Power Supply73
Table 7.1 General Environmental Specifications73
Performance Characteristics (each Component)74
Performance Characteristics - EMC74
Table 7.2 Performance Characteristics74
Sample Specification75
Sample and Ambient Performance75
Solenoid Valve Relays75
Table 7.3 Sampling Specification75
Table 7.4 Sample and Ambient Influence75
Analogue Outputs76
Serial Output76
Inputs76
Ingress Protection76
Optical Purge76
Table 7.5 Serial Output Specification76
485 Purge Controller (2500 EU1 Only)77
Alternative Purge Controller (2500 EU1 Only)77
Table 8.1 02500 Safety Approvals80

Servomex 2500 Series - 7.1.14 485 Purge Controller (2500 EU1 Only); 7.1.15 Alternative Purge Controller (2500 EU1 Only)

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