Type 8791
C
ontents
1.
Operating instructiOns . .......................................................................................................................................................7
1.1. symbols ......................................................................................................................................................................................7
authOrized use .............................................................................................................................................................................8
2.
2.1. restrictions ...............................................................................................................................................................................8
2.2. predictable Misuse . ...............................................................................................................................................................8
Basic safety instructiOns .................................................................................................................................................9
3.
4.
general infOrMatiOn . ............................................................................................................................................................10
4.1. scope of supply ..................................................................................................................................................................10
4.2. contact addresses .............................................................................................................................................................10
4.3. Warranty ...................................................................................................................................................................................11
4.4. information on the internet . ...........................................................................................................................................11
descriptiOn Of systeM ........................................................................................................................................................12
5.
5.1. general description . ..........................................................................................................................................................12
5.1.1. Features .....................................................................................................................................................12
structure . .......................................................................................................................................................................................15
6.
6.1. representation .....................................................................................................................................................................15
functiOn . ...........................................................................................................................................................................................16
7.
7.1. function diagram ................................................................................................................................................................16
7.4.1. Functions I .................................................................................................................................................19
7.4.2. Functions II ................................................................................................................................................19
7.5. interfaces of the positioner . .........................................................................................................................................21
Electropneumatic positioner Type 8791
english
3