Sitrans p300 with pmc connection, Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual

Page 58

SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

SITRANS P300 with PMC connection

2/58

Siemens FI 01 · 2009

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Technical specifications

SITRANS P300 for gage pressure with PMC connection for the paper industry

HART

PROFIBUS PA

Input

Measured variable

Gage pressure (flush-mounted)

Spans (infinitely adjustable) or
nominal measuring range and
max. permissible test pressure

Span

Max. perm. test pres-
sure

Nominal measuring
range

Max. perm. test pres-
sure

0.01 ... 1 bar g
(0.15 ... 14.5 psi g)

6 bar g
(87 psi g)

1 bar g
(14.5 psi g)

6 bar g
(87 psi g)

0.04 ... 4 bar g
(0.58 ... 58 psi g)

10 bar g
(145 psi g)

4 bar g
(58 psi g)

10 bar g
(145 psi g)

0.16 ... 16 bar g
(2.3 ... 232 psi g)

32 bar g
(464 psi g)

16 bar g
(232 psi g)

32 bar g
(464 psi g)

Depending on the process connection, the span
may differ from these values

Depending on the process connection, the nomi-
nal measuring range may differ from these values

Lower measuring limit

• Measuring cell with silicone oil

100 mbar a (1.45 psi a)

Upper measuring limit

• Measuring cell with silicone oil

100% of max. span

100% of the max. nominal measuring range

Output

Output signal

4 ... 20 mA

Digital PROFIBUS PA signal

Physical bus

IEC 61158-2

With polarity reversal protection

Yes

Electrical damping T

(step width 0.1 s)

Set to 0.1 s (0 ... 100 s)

Accuracy

To EN 60770-1

Reference conditions
(All error data refer always refer to the set
span)

Increasing characteristic, start-of-scale value 0 bar, stainless steel seal diaphragm, measuring cell
with silicone oil, room temperature 25 °C (77 °F), span ratio (r = max. span/set span)

Measurement deviation with cut-off point set-
ting, including hysteresis and repeatability.

Linear characteristic curve

≤ 0,075%

• r

≤ 10

≤ (0.0029 ⋅ r + 0.071)%

• 10 < r

≤ 30

≤ (0.0045 ⋅ r + 0.071)%

• 30 < r

≤ 100

≤ (0.005 ⋅ r + 0.05)%

Settling time T

without electrical damping

Approx. 0.2 s

Long-term drift at

±30 °C (±54 °F)

≤ (0.25 ⋅ r)%/5 years

≤ 0.25%/5 years

Influence of ambient temperature

• at -10 ... +60 °C (14 ... 140 °F)

≤ (0.1 ⋅ r + 0.2)%

≤ 0,3%

• at -40 ... -10 °C and +60 ... +85 °C

(-40 ... 14 °F and 140 ... 185 °F)

≤ (0.1 ⋅ r + 0.15)%/10 K

≤ 0.25%/10 K

Influence of the medium temperature (only
with front-flush diaphragm)

• Temperature difference between medium

temperature and ambient temperature

3 mbar/10 K (0.04 psi/10 K)

Rated operating conditions

Installation conditions

Ambient temperature

Observe the temperature class in areas subject to explosion hazard.

• Measuring cell with silicone oil

-40 ... +85 °C (-40 ... +185 °F)

• Digital display

-30 ... +85 °C (-22 ... +185 °F)

• Storage temperature

-50 ... +85 °C (-58 ... +185 °F)

Climatic class

Condensation

Permissible

Degree of protection to EN 60529

IP65, IP68, NEMA X, enclosure cleaning, resistant to lyes, steam to 150° C (302 °F)

Electromagnetic compatibility

• Emitted interference and interfer. immunity

To EN 61326 and NAMUR NE 21