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Description
3.4 Device components
SITRANS VP300 with or without HART
Operating Instructions, 03/2011, A5E01258666-03
23
3.4
Device components
3.4.1
View of open device
View of front
DI 3
21 22
11 12
51 52
31 32 41 42
Pneumatic Bloc
k
ho
ld positio
n
exh
a
u
st
a
ctu
a
to
r
actuat
or s
iz
e
pur
g
e air
OUT
pz
=0
G
LV
D
E
OHH
Q
D
E
OH
P$
%
X
V
P$
①
Cable gland for electrical connection
②
Switch for activating digital input DI 3 for safe shutdown
③
Display
④
Nameplate/additional plate on the side of the housing
⑤
Pin assignment for optional alarm module
⑥
Fixing screw for attaching the positioner as per VDI/VDE 3847
⑦
Adjuster for actuator size
⑧
Adjuster for behavior of device in case of sudden failure of pneumatic auxiliary power
⑨
Purging air selector
⑩
Sound absorber at exhaust air outlet
⑪
Buttons
⑫
Terminals for display module:
Terminal 6/7 setpoint input I
w
4 to 20 mA
Terminal 9/10 digital input DI 1
Terminal 81/82 digital input DI 3
Terminal 61/62 analog output I
y
4 to 20 mA (optional position feedback module)
⑬
Terminals for optional alarm module
⑭
Ground terminal, internal ground terminal for explosion-protected devices only
⑮
Screw-type blank cap
Figure 3-6
Front view of positioner, with open housing lid