VAT 651 Series - Page 33

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Series 651 INSTALLATION

605451EC Edition 2014-07-10 33/

a) Configuration with voltage source for digital inputs:

Do not connect other pins than indicated in the schematics above!

Use only screws with 4-40UNC thread for fastening the DB-25 connector!

SC1097A

Main Page

Table of Contents3
Description of Product5
Identification of Product5
Use of Product5
Used Abbreviations5
Related Documents5
Important Information5
Technical Data6
Control and Actuating Unit6
Valve Unit8
Safety10
Compulsory Reading Material10
Danger Levels10
Personnel Qualifications11
Safety Labels11
Design and Function12
Design12
Function13
Pressure Control System Overview and Function14
Principle of a Pressure Control System15
Installation16
Unpacking16
Installation into the System17
Installation Space Condition18
Connection Overview19
Installation Procedure19
Tightening Torque21
Mounting with Centering Rings21
Mounting with O-Ring in Grooves22
Admissible Forces22
Requirements to Sensor Connection23
Electrical Connection23
Ground Connection24
Sensor Supply Concepts25
Power and Sensor Connection (+24 VDC Sensors)26
Power and Sensor Connection (±15 VDC Sensors) Without Opt. SPS Module28
Power and Sensor Connection (±15 VDC Sensors) with Optional SPS Module30
Service Port Connection31
Functions and Wiring32
Digital Inputs34
Digital Outputs36
Analog Inputs and Outputs37
Initial Operation38
Setup Procedure38
Logic Interface Configuration38
Valve Configuration39
Sensor Configuration40
Zero40
LEARN (Adaptive)41
Pressure Control Configuration43
Pressure Control Algorithem46
Tuning of Control Performance50
Tuning of Pressure Control (Adaptive)51
Tuning of Pressure Control Performance with Fixed PI Control56
Tuning of Pressure Control with Soft Pump59
Operation62
Normal Operation62
Local Operation63
Remote Operation64
Close Valve65
Open Valve65
Position Control65
Pressure Control65
Operation with 2 Sensors66
Display Information67
Power up67
Operation68
Errors68
Safety Mode68
Service Indication69
Operation During Power up69
Behavior in Case of Power Failure69
Operation under Increased Temperature70
Behavior in Case of Compressed Air Pressure Drop70
Trouble Shooting71
Maintenance73
Maintenance Intervals73
Maintenance Procedures74
Replacement of Isolation Seals and Cleaning75
Replacement of Actuator Shaft Seals78
Replacement of Option Board83
Retrofit / Replacement Procedure85
Repairs88
Dismounting and Storage89
Dismounting89
Storage90
Packaging and Transport91
Packaging91
Transport92
Disposal93
Spare Parts94
Drawing94
12.1.1 Valve Unit with Seals and Grease95
Control and Actuating Unit96
Accessories97
Appendix98

VAT 651 Series - Page 33

Table of Contents

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