Contents
EB 8359-2 EN 3
1 Safety instructions and measures ...................................................................5
1.1 Notes on possible severe personal injury .........................................................8
1.2 Notes on possible personal injury ...................................................................9
1.3 Notes on possible property damage................................................................9
2 Markings on the device ...............................................................................10
2.1 Article code.................................................................................................10
3 Design and principle of operation ................................................................14
3.1 Accessories and mounting parts....................................................................16
3.2 Technical data .............................................................................................17
3.3 Summary of explosion protection approvals...................................................19
3.4 Dimensions in mm........................................................................................20
4 Measures for preparation............................................................................21
4.1 Unpacking ..................................................................................................21
4.2 Transporting ................................................................................................21
4.3 Storage.......................................................................................................21
5 Mounting and start-up.................................................................................22
5.1 Attachment to valve with cast yoke ................................................................22
5.2 Attachment to valve with rod-type yoke..........................................................22
5.3 Housing cover .............................................................................................22
5.4 Pneumatic connections..................................................................................24
5.4.1 Pressure gauges...........................................................................................24
5.4.2 Supply pressure ...........................................................................................24
5.5 Electrical connections ...................................................................................25
6 Operating the positioner..............................................................................27
6.1 Assignment of the positioner and the actuator ................................................27
6.1.1 Determining and changing the operating direction .........................................28
6.2 Starting point and reference variable.............................................................30
6.3 Adjustment after mounting the positioner on the valve.....................................30
6.3.1 Setting the air delivery (volume restriction Q) and proportional band Xp..........30
6.3.2 Setting for actuator with fail-safe action “stem extends”...................................32
6.3.3 Setting for actuator version “stem retracts” .....................................................32
