Series 642
764877EB Edition 2017-11-24 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
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
Function ......................................................................................................................... 12
3.2.1
Pressure control system overview and function .............................................. 13
3.2.2
Principle of a pressure control system ............................................................ 14
4
Installation ......................................................................................... 15
4.1
Unpacking ..................................................................................................................... 15
4.2
Installation into the system ............................................................................................ 16
4.2.1
Installation space condition ............................................................................. 17
4.2.2
Connection overview ....................................................................................... 18
4.2.3
Installation procedure ...................................................................................... 19
4.3
Tightening torque .......................................................................................................... 20
4.3.1
Mounting of CF-F flanges ................................................................................ 20
4.3.2
Mounting with centering rings ......................................................................... 20
4.3.3
Mounting with O-ring in grooves ..................................................................... 21
4.4
Admissible forces .......................................................................................................... 21
4.4.1
Requirements to sensor connection ................................................................ 22
4.5
Electrical connection...................................................................................................... 23
4.5.1
Ground connection .......................................................................................... 24
4.5.2
Sensor supply concepts .................................................................................. 25
4.5.3
Power and sensor connection (+24 VDC sensors) ......................................... 26
4.5.4
Power (+24 VDC) and sensor connection (±15 VDC sensors) with opt. SPS . 28
4.5.5
Ethernet interface connection ......................................................................... 30
4.5.6
Specification of an Ethernet frame .................................................................. 30
4.5.7
Service port connection................................................................................... 30
4.5.8
Functions and wiring ....................................................................................... 31
4.5.9
Digital inputs ................................................................................................... 33
4.6
Initial operation .............................................................................................................. 34
4.6.1
Setup procedure ............................................................................................. 34
4.6.2
Ethernet interface configuration ...................................................................... 35
4.6.3
Valve configuration ......................................................................................... 46
4.6.4
Sensor configuration ....................................................................................... 47
4.6.5
ZERO .............................................................................................................. 47
4.6.6
LEARN (adaptive) ........................................................................................... 48
4.6.7
Pressure control configuration ........................................................................ 50
4.6.8
Pressure control algorithem ............................................................................ 53
4.7
Tuning of control performance ....................................................................................... 58
4.7.1
Tuning of control performance with adaptive pressure controller .................... 58
4.7.2
Tuning of control performance with fixed PI pressure controller ..................... 64