4.2
Structure
Depending on a customer-specific order, the device comprises different parts.
①
Cover over buttons and nameplate with general information
⑨
Screw for the cover over the buttons
②
Cover (front), optionally with inspection window
⑩
Cover (rear) for electrical terminal compart‐
ment
③
Display (optional)
⑪
Electrical terminal compartment
④
Safety catch (front)
⑫
Safety catch (back)
⑤
Retaining screw for rotation of the enclosure (Page 57)
⑬
Ground terminal
⑥
Process connection
⑭
Nameplate with information on the remote
seal
⑦
Nameplate with approval information
⑮
Blanking plug
⑧
Cable inlet, optionally with cable gland
Figure 4-1
Example
● The electronic housing is made of aluminum die casting or stainless steel precision casting.
● The housing has a removable cover at the front and the back.
● Depending on the device version, the front cover
②
may be designed as an inspection
window.
● The cable gland
⑧
to the electrical terminal compartment is at the side; either the left or
right-hand one can be used. The unused opening is closed with a blanking plug
⑮
.
● The ground terminal
⑬
is located on the side.
● The electrical terminal compartment
⑪
for the auxiliary power and shield is accessible
when you remove the back cover
⑩
.
● The measuring cell with a process connection
⑥
is located in the lower section of the
enclosure.
The measuring cell is prevented from rotating by a retaining screw
⑤
.
● Thanks to the modular design of the pressure transmitter, the measuring cell and application
electronics or terminal compartment can be replaced if required.
Description
4.2 Structure
SITRANS P320/P420 (mA/HART)
Operating Instructions, 06/2018, A5E44852162-AA
25