Series 655
979645EA
Edition 23.09.2019
3/112
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 ................................................................................................. 11
2.1
Compulsory reading material ......................................................................................... 11
2.2
Danger levels ................................................................................................................ 11
2.3
Personnel qualifications ................................................................................................. 12
2.4
Safety labels .................................................................................................................. 12
3
Design and Function ......................................................................... 13
3.1
Design (symbol picture) ................................................................................................. 13
3.2
Function ......................................................................................................................... 14
3.2.1
Pressure control system overview and function .............................................. 15
3.2.2
Principle of a pressure control system ............................................................ 16
4
Installation ......................................................................................... 17
4.1
Unpacking ..................................................................................................................... 17
4.2
Installation into the system ............................................................................................ 18
4.2.1
Installation space condition ............................................................................. 19
4.2.2
Connection overview ....................................................................................... 19
4.3
Tightening torque .......................................................................................................... 20
4.3.1
Mounting with centering rings ......................................................................... 21
4.3.2
Mounting with O-ring in grooves ..................................................................... 21
4.3.3
Admissible forces ............................................................................................ 22
4.3.4
Requirements to sensor connection ................................................................ 23
4.4
Electrical connection...................................................................................................... 24
4.4.1
Ground connection .......................................................................................... 24
4.4.2
Sensor supply concepts .................................................................................. 25
4.4.3
Digital in- output and analogue output connections ........................................ 31
4.4.4
DeviceNet® interface connection .................................................................... 34
4.4.5
Service port connection................................................................................... 34
4.5
Initial operation .............................................................................................................. 35
4.6
Valve configuration ........................................................................................................ 36
4.6.1
Homing Start Option ....................................................................................... 36
4.6.2
Power Failure Option ...................................................................................... 37
4.6.3
Digital I/O ........................................................................................................ 37
4.7
Sensor configuration...................................................................................................... 38
4.7.1
Sensor configuration ....................................................................................... 38
4.7.2
Sensor crossover (2 sensor operation mode) ................................................. 39
4.7.3
Zero adjust ...................................................................................................... 40
4.8
Pressure control configuration ....................................................................................... 41
4.8.1
Control Algorithm ............................................................................................ 42
4.8.2
Choose correct control algorithm .................................................................... 43
4.8.3
Learn (adaptive control algorithm) .................................................................. 44
4.8.4
Pressure ramp ................................................................................................ 47
4.8.5
Tuning of control performance ........................................................................ 49
4.9
Interface configuration (DeviceNet®) ............................................................................ 59
4.10
DeviceNet
interface ..................................................................................................... 60