Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual
Page 81
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