User guide

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1. QUICKSTART .....................................................................................................5
1.1. Definition of term “device” .............................................................. 5
1.2. Symbols .............................................................................................. 5
2. AUTHORIZED USE .........................................................................................6
2.1. Restrictions ........................................................................................ 6
3. BASIC SAFETY INSTRUCTIONS .............................................................6
4. GENERAL INFORMATION ...........................................................................8
4.1. Contact addresses ..........................................................................8
5. DESCRIPTION OF SYSTEM .......................................................................8
5.1. Structure ............................................................................................8
5.2. General description .........................................................................9
6. TECHNICAL DATA ...........................................................................................9
6.1. Conformity ......................................................................................... 9
6.2. Standards ........................................................................................... 9
6.3. Operating conditions .......................................................................9
6.4. Mechanical data .............................................................................10
6.5. Electrical data..................................................................................10
6.6. Electrical data with AS-Interface bus control (optional) .......11
6.7. Pneumatic data ...............................................................................11
7. OPERATING ..................................................................................................... 12
7.1. Operating status .............................................................................. 12
7.2. Control and display elements of the positioner .......................12
7.3. Error messages ................................................................................ 16
8. ATTACHMENT AND ASSEMBLY ................................................................17
8.1. Installation of devices for the hazardous area..........................17
8.2. Attachment to a proportional valve with NAMUR
linear actuators ...............................................................................17
8.3. Attachment to a proportional valve with rotary actuator ........21
8.4. Remote operation with external position sensor .....................24
9. FLUID CONNECTION .................................................................................25
9.1. Connection of devices for the hazardous area ........................25
9.2. Safety instructions .........................................................................25
9.3. Safety positions ..............................................................................26
10. ELECTRICAL CONNECTION ................................................................ 28
10.1. Connection of devices for the hazardous area .....................28
10.2. Safety instructions .......................................................................28
10.3. Electrical connection with circular plug-in connector
M12, 8-pole...................................................................................28
10.4. Electrical connection with cable gland ...................................30
10.5. Electrical installation AS-Interface ............................................32
10.6. LED status display AS-Interface ..............................................33
Positioner Type 8791
english
Type 8791