Samson TROVIS SAFE 3730-6, Монтаж и эксплуатация, Страница: 57 / 184

EB 8384-6S EN 57
Mounting and start-up
For double-acting actuators and actua-
tors with air purging , connect the Y2
port of the adapter block to the signal
pressure connection of the second actua-
tor chamber or spring chamber of the
actuator.
5.6 Attachment according to
VDI/VDE 3847-2
Attachment according to VDI/VDE 3847-2
for PFEIFFER SRP (single-acting) and DAP
(double-acting) rotary actuators in sizes 60
to 1200 with NAMUR interface and air
purging of the actuator's spring chamber al-
lows the direct attachment of the positioner
without additional piping.
Additionally, the positioner can be replaced
quickly while the process is running by
blocking the air in single-acting actuators.
Procedure to block the actuator in place
(see Fig. 12):
1. Unscrew the red retaining screw (1).
2. Turn the air blocker (2) on the bottom of
the adapter block according to the in-
scription.
6.2 6.1 6
4
6.3
5
1
2
16
3
3.1
11
18
18.1
13.1 13
17.2 17 17.1
10
3
Exh.
19
20
14
14.1
1.1
1.2
1 Lever
1.1 Nut
1.2 Disk spring
2 Follower pin
3 Follower plate
3.1 Follower plate
4 Screw plug
5 Stopper
6 Adapter bracket
6.1 Screws
6.2 Molded seal
6.3 Screws
10 NAMUR connection
block
11 Screw with toothed
lock washer
13 Adapter block
13.1 Screws
14 Bolt
14.1 Screws
15 Formed plate
16 Bracket
17 Turnboard
17.1 Molded seal
17.2 Screws
18 Dummy plate
18.1 Screws
19 Air blocker
20 Retaining screw
Fig. 11: Attachment according to VDI/VDE 3847 to a NAMUR rib