Siemens 7MF8.24 Series - Display, Keyboard and Auxiliary Power

SITRANS P300 (7MF8.23.. 7MF8.24.. 7MF8.25..)
28 A5E03434759-01, 08/2011
Design (standard version)
● Measurement cell filling ● Silicone oil
● Inert filling liquid
Process connection
● Connection pins G½B in accordance with DIN EN 837-1
● Internal thread ½-14 NPT
● Oval flange PN 160 (MAWP (PS) 2320 psi) with fastening screw thread:
–
7
⁄
16
-20 UNF as per IEC 61518
– M10 as per DIN 19213
● Male thread M20 x 1.5 and ½-14 NPT
Electrical connection Cable inlet using the following glands:
● M20 x 1.5 (plastic)
● M20 x 1.5 (metal with shield support)
Design with flush-mounted diaphragm
Weight (without options) Approx. 1 … 13 kg (2.2 … 29 lb)
Enclosure material Stainless steel, mat. no. 1.4301/304
Wetted parts material
● Process connection
Stainless steel, mat. no. 1.4404/316L
● Seal diaphragm
Stainless steel, mat. no. 1.4404/316L
Hastelloy C276, mat. no. 2.4819
Measuring cell filling
● Silicone oil
● Inert filling liquid
● FDA-compliant oil (Neobee)
Process connection
● Flanges in accordance with EN and ASME
● F&B and Pharma flange
● Bioconnect/Biocontrol
● PMC style
Electrical connection Cable inlet via the following glands:
● M20 x 1.5 (plastic)
● M20 x 1.5 (metal with shield support)
Wetted parts surface quality R
a
values ≤ 0.8 μm (32 μ-inch)/welded seams R
a
≤ 1.6 μm (64 μ-inch)
(process connections in accordance with 3A; R
a
values ≤ 0.8 μm (32 μ-inch)/
welded seams R
a
≤ 0.8 μm (32 μ-inch))
Display, keyboard and auxiliary power
Display and user interface
Keys 3 for on-site programming on the device itself
Display
● With or without integrated display (optional)
● Cover with inspection window (optional)
Auxiliary power U
H
HART PROFIBUS PA or Foundation Fieldbus
Terminal voltage at transmitter
● 10.5 V … 42 V DC
● In the case of intrinsically safe
operation 10.5 V … 30 V DC
–
Ripple U
SS
≤ 0,2 V (47 … 125 Hz) –
Noise U
eff
≤ 1.2 V (0.5 … 10 Hz) –
Auxiliary power – Bus-powered