
Series 642
742280ED Edition 2017-11-24 3/
Contents
1
Description of product........................................................................5
1.1
Identification of product ...................................................................................................5
1.2
Use of product.................................................................................................................5
1.3
Used abbreviations..........................................................................................................5
1.4
Related documents..........................................................................................................5
1.5
Important information.......................................................................................................5
1.6
Technical data.................................................................................................................6
1.6.1
Control and actuating unit.................................................................................6
1.6.2
Valve unit..........................................................................................................8
2
Safety ...................................................................................................9
2.1
Compulsory reading material...........................................................................................9
2.2
Danger levels ..................................................................................................................9
2.3
Personnel qualifications.................................................................................................10
2.4
Safety labels..................................................................................................................10
3
Design and Function.........................................................................11
3.1
Design...........................................................................................................................11
3.2
Function.........................................................................................................................11
3.2.1
Pressure control system overview and function..............................................12
3.2.2
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.......................................................................................17
4.2.3
Installation procedure......................................................................................17
4.3
Tightening torque ..........................................................................................................18
4.3.1
Mounting with centering rings .........................................................................19
4.3.2
Mounting with O-ring in grooves .....................................................................20
4.4
Admissible forces..........................................................................................................21
4.4.1
Requirements to sensor connection................................................................22
4.5
Electrical connection......................................................................................................22
4.5.1
Ground connection..........................................................................................23
4.5.2
Sensor supply concepts..................................................................................24
4.5.3
Power and sensor connection (+24 VDC sensors) .........................................25
4.5.4
Power and sensor connection (±15 VDC sensors) without opt. SPS module .27
4.5.5
Power and sensor connection (±15 VDC sensors) with opt. SPS module ......29
4.5.6
Power connection for Slave valve only............................................................30
4.5.7
Service port connection...................................................................................30
4.5.8
Valve cluster connection.................................................................................31
4.5.9
Functions and Wiring ......................................................................................34
4.6
Initial operation..............................................................................................................37
4.6.1
Setup procedure .............................................................................................37
4.6.2
Interface configuration.....................................................................................38
4.6.3
Cluster address configuration .........................................................................38
4.6.4
Valve configuration .........................................................................................41
4.6.5
Sensor configuration.......................................................................................41
4.6.6
ZERO..............................................................................................................42
4.6.7
LEARN (adaptive)...........................................................................................43
4.7
Tuning of control performance.......................................................................................45
4.7.1
Tuning of control performance with adaptive pressure controller....................45
4.7.2
Tuning of control performance with fixed PI pressure controller .....................51
4.7.3
Tuning of control performance with soft pump pressure controller..................54