Sitrans p measuring instruments for pressure – Siemens SITRANS P User Manual
Page 59
SITRANS P measuring instruments for pressure
Transmitters for gage pressure for the paper industry
SITRANS P300 with PMC connection
2/59
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