Series 620
960123EB.DOCX Edition 2020-01-02 3/
Contents
1
Description of product ........................................................................ 6
1.1
Identification of product ................................................................................................... 6
1.2
Use of product ................................................................................................................. 6
1.3
Used abbreviations .......................................................................................................... 6
1.4
Related documents.......................................................................................................... 6
1.5
Important information....................................................................................................... 6
1.6
Technical data ................................................................................................................. 7
1.6.1
Control and actuating unit ................................................................................. 7
1.6.2
RS232 / Interface connector: ............................................................................ 8
1.6.3
Valve unit: ......................................................................................................... 9
2
Safety ................................................................................................. 10
2.1
Compulsory reading material ......................................................................................... 10
2.2
Danger levels ................................................................................................................ 10
2.3
Personnel qualifications ................................................................................................. 11
2.4
Safety labels .................................................................................................................. 11
3
Design and Function ......................................................................... 12
3.1
Design ........................................................................................................................... 12
3.2
Pressure control system overview and function ............................................................ 12
3.2.1
Way of operation ............................................................................................. 13
3.2.2
Pressure control .............................................................................................. 13
3.2.3
Adaptive controller (standard) ......................................................................... 13
3.2.4
Principle of a pressure control system ............................................................ 13
4
Installation ......................................................................................... 14
4.1
Unpacking ..................................................................................................................... 14
4.2
Installation into the system ............................................................................................ 15
4.2.1
Installation space condition ............................................................................. 16
4.2.2
Connection overview ....................................................................................... 16
4.2.3
Installation procedure ...................................................................................... 17
4.3
Tightening torque .......................................................................................................... 18
4.3.1
Mounting with ISO-KF flanges ........................................................................ 18
4.3.2
Requirements to sensor connection ................................................................ 18
4.4
Electrical connection...................................................................................................... 19
4.4.1
Ground connection .......................................................................................... 20
4.4.2
Power and Sensor supply concepts ................................................................ 20
4.4.3
Digital Input/Output and analogue output connections .................................... 26
4.4.4
RS232 interface connection ............................................................................ 30
4.4.5
Service port connection................................................................................... 30
4.5
Initial operation .............................................................................................................. 31
4.6
Scaling of Pressure and Position Values ....................................................................... 32
4.7
Valve configuration ........................................................................................................ 33
4.7.1
Homing Start Option ....................................................................................... 33
4.7.2
Power Failure Option ...................................................................................... 33
4.7.3
Digital I/O ........................................................................................................ 34
4.8
RS232 Interface configuration ....................................................................................... 35
4.8.1
RS232 interface configuration ......................................................................... 35
4.9
Sensor configuration...................................................................................................... 35
4.9.1
Sensor configuration ....................................................................................... 35
4.9.2
Zero Adjust ...................................................................................................... 38
4.10
Learn (adaptive control algorithm) ................................................................................. 40
4.11
Pressure Control ........................................................................................................... 42
4.11.1
Pressure control operation with 2 sensors ...................................................... 43
4.11.2
Control parameters ......................................................................................... 44
4.11.3
Choose correct control algorithm .................................................................... 48
4.11.4
Tuning of control performance ........................................................................ 49
4.12
RS232 interface - protocol definition.............................................................................. 58