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

Page 81

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SITRANS P measuring instruments for pressure

Transmitters for gage, absolute and differential pressure, flow and level

DS III series for gage and absolute pressure,

with front-flush diaphragm

2/81

Siemens FI 01 · 2009

2

Hygiene version

In the case of SITRANS P DSIII with 7MF413x front-flush dia-
phragm, selected connections comply with the requirements of
EHEDG.

Power supply U

H

Supplied through bus

Terminal voltage on transmitter

10.5 ... 45 V DC
10.5 ... 30 V DC in intrinsically-safe mode

-

Separate 24 V power supply necessary

-

No

Bus voltage

• Not Ex

-

9 ...32 V

• With intrinsically-safe operation

-

9 ...24 V

Current consumption

• Basic current (max.)

-

12.5 mA

• Startup current

≤ basic current

-

Yes

• Max. current in event of fault

-

15.5 mA

Fault disconnection electronics (FDE) available

-

Yes

Certificate and approvals

Classification according to pressure equipment
directive (DRGL 97/23/EC)

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

Explosion protection

• Intrinsic safety "i"

PTB 99 ATEX 2122

- Identification

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

- Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F) temperature class T4;
-40 ... +70 °C (-40 ... +158 °F) temperature class T5;
-40 ... +60 °C (-40 ... +140 °F) temperature class T6

- 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

FISCO supply unit:
U

o

= 17.5 V, I

o

= 380 mA, P

o

= 5.32 W

Linear barrier:
U

o

= 24 V, I

o

= 250 mA, P

o

= 1.2 W

- Effective internal inductance/capacitance

L

i

= 0.4 mH, C

i

= 6 nF

L

i

= 7

μH, C

i

= 1.1 nF

• Explosion-proof "d"

PTB 99 ATEX 1160

- Identification

Ex II 1/2 G EEx d IIC T4/T6

- Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F) temperature class T4;
-40 ... +60 °C (-40 ... +140 °F) temperature class T6

- Connection

To circuits with values: U

H

= 10.5 ... 45 V DC

To circuits with values: U

H

= 9 ... 32 V DC

• Dust explosion protection for zone 20

PTB 01 ATEX 2055

- Identification

Ex II 1 D IP65 T 120 °C
Ex II 1/2 D IP65 T 120 °C

- Permissible ambient temperature

-40 ... +85 °C (-40 ... +185 °F)

- Max.surface temperature

120 °C (248 °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

FISCO supply unit:
U

o

= 17.5 V, I

o

= 380 mA, P

o

= 5.32 W

Linear barrier:
U

o

= 24 V, I

o

= 250 mA, P

o

= 1.2 W

- Effective internal inductance/capacitance

L

i

= 0.4 mH, C

i

= 6 nF

L

i

= 7

μH, C

i

= 1.1 nF

• Dust explosion protection for zone 21/22

PTB 01 ATEX 2055

- Identification

Ex II 2 D IP65 T 120 °C

- Connection

To circuits with values: U

H

= 10.5 ... 45 V DC;

P

max

= 1.2 W

To circuits with values: U

H

= 9 ... 32 V DC;

P

max

= 1.2 W

• Type of protection "n" (zone 2)

TÜV 01 ATEX 1696 X

Planned

- Identification

Ex II 3 G EEx nA L IIC T4/T5/T6

-

• Explosion protection to FM

Certificate of Compliance 3008490

- Identification (XP/DIP) or (IS); (NI)

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

• Explosion protection to CSA

Certificate of Compliance 1153651

- Identification (XP/DIP) or (IS)

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

SITRANS P, DS III series for gage and absolute pressure, with front-flush diaphragm

HART

PROFIBUS PA or FOUNDATION Fieldbus

© Siemens AG 2008