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Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual

Page 59

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SITRANS P measuring instruments for pressure

Transmitters for gage pressure for the paper industry

SITRANS P300 with PMC connection

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Siemens FI 01 · 2009

2

Medium conditions

Process temperature

• Measuring cell with silicone oil

-40 ... +100 °C (-40 ... +212 °F)

Design

Weight (without options)

Approx. 1 kg (2.2 lb)

Housing material

Stainless steel, mat. No. 1.4301/304

Material of parts in contact with the medium

• Seal diaphragm

Hastelloy C276, mat. No. 2.4819

• Measuring cell filling

Silicone oil

Power supply U

H

Terminal voltage on transmitter

10.5 ... 42 V DC
for intrinsically safe operation: 10.5 ... 30 V DC

Supplied through bus

Separate power supply

-

Not necessary

Bus voltage

• Without EEx

-

9 ... 32 V

• For intrinsically-safe operation

-

9 ... 24 V

Current consumption

• Max. basic current

-

12.5 mA

• Startup current

≤ basic current

-

Yes

• Max. fault current in the event of a fault

-

15.5 mA

Fault disconnection electronics (FDE)

-

Available

Certificate and approvals

Classification according to pressure equip-
ment directive (DRGL 97/23/EC)

For gases of fluid group 1 and liquids of fluid group 1; complies with requirements of Article 3, para-
graph 3 (sound engineering practice)

Explosion protection

Intrinsic safety "i"

PTB 05 ATEX 2048

Identification

Ex II 1/2 G EEx ia/ib IIB/IIC T4, T5, T6

Permissible ambient temperature

• Temperature class T4

-40 ... +85 °C (-40 ... +185 °F)

• Temperature class T5

-40 ... +70 °C (-40 ... +158 °F)

• Temperature class T6

-40 ... +60 °C (-40 ... +140 °F)

Connection

To certified intrinsically-safe circuits with maxi-
mum values:

U

i

= 30 V, I

i

= 100 mA,

P

i

= 750 mW, R

i

= 300

Ω

To certified intrinsically-safe circuits with maxi-
mum values:

FISCO supply unit:
U

i

= 17.5 V, I

i

= 380 mA, P

i

= 5.32 W

Linear barrier:
U

i

= 24 V, I

i

= 250 mA, P

i

= 1.2 W

Effective inner capacitance:

C

i

= 6 nF

C

i

= 1.1 nF

Effective inner inductance:

L

i

= 0.4 mH

L

i

≤ 7 μH

Explosion protection to FM for USA and
Canada (cFM

US

)

• Identification (DIP) or (IS); (NI)

Certificate of Compliance 3025099

CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; CL I, ZN 0/1 AEx ia IIC T4 ... T6;
CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III

• Identification (DIP) or (IS)

Certificate of Compliance 3025099C

CL I, DIV 1, GP ABCD T4 ... T6; CL II, DIV 1, GP EFG; CL III; Ex ia IIC 4 ... T6;
CL I, DIV 2, GP ABCD T4 ... T6; CL II, DIV 2, GP FG; CL III

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

HART

PROFIBUS PA

© Siemens AG 2008