Connecting; Unsuitable Cables And/Or Cable Glands - Siemens SITRANS P310 with HART Compact Operating Instructions

Installation type for differential pressure and flow rate measurements
Installation type D
Key
p
MA
p
ME
p
start
p
end
ρ
oil
g
H
V
4

Connecting

4.1 Basic safety instructions
4.1.1

Unsuitable cables and/or cable glands

WARNING
Unsuitable cables and/or cable glands
Danger of explosion in hazardous areas.
Only use suitable cables and cable glands complying with the requirements specified in Chapter "Technical data
•
(Page 34)".
Tighten the cable glands in accordance with the torques specified in Chapter "Technical data (Page 34)".
•
When replacing cable glands use only cable glands of the same type.
•
After installation check that the cables are seated firmly.
•
WARNING
Improper power supply
Danger of explosion in hazardous areas as result of incorrect power supply, e.g. using direct current instead of alternating
current.
Connect the device in accordance with the specified power supply and signal circuits. The relevant specifications can
•
be found in the certificates, in Chapter "Technical data (Page 34)" or on the nameplate.
18
Start of scale value
Full scale value
Start of scale pressure
Full scale pressure
Density of the filling oil in the capillary line of the remote seal
Acceleration due to gravity
Gland distance
Start of scale value:
p = p - ρ * g * H
MA start oil V
Full scale value:
p = p - ρ * g * H
ME end oil V
SITRANS P310 with HART
A5E35075329-01, 05/2015