SITRANS P, DS III series (7MF4.33.. 7MF4.34.. 7MF4.35..)
46 A5E03434656-02, 12/2012
Construction for level
Electrical connection Screw terminals
Cable inlet using the following screwed joints:
● Pg 13.5
● M20 x 1.5
● ½-14 NPT or Han 7D/Han 8D connector
1)
● M12 connector
1)
Han 8D is identical to Han 8U.
7.4 Display, keyboard and auxiliary power
Display and user interface
Keys 3 for on-site programming directly at the device
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
● DC 10.5 V … 45 V
● 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 mV (0.5 … 10 kHz) –
Auxiliary power – Bus-powered
Separate supply voltage – Not necessary
Bus voltage
● Not
– 9 … 32 V
● For intrinsically safe operation
– 9 … 24 V
Current consumption
● Max. basic current
– 12.5 mA
● Starting current ≤ basic current
– Yes
● Max. current in event of fault
– 15.5 mA
Error shut-down electronics (FDE)
present
– Yes
7.5 Certificates and approvals
Certificates and approvals
HART PROFIBUS PA or Foundation Fieldbus
Classification according to Pressure
Equipment Directive (PED 97/23/EC)
● for gases of Fluid Group 1 and liquids of Fluid Group 1; meets requirements of
Article 3 Para. 3 (good engineering practice)
● only for flow rate:
for gases of Fluid Group 1 and liquids of Fluid Group 1; fulfills the basic safety
requirements as per article 3, Para 1 (appendix 1); classified as category III,
module H conformity evaluation by TÜV Nord
Drinking water In preparation
Explosion protection
● Intrinsic safety "i"
PTB 11 ATEX 2011 X
Marking
II 1/2G Ex ia/ib IIC T4/T5/T6 Ga/Gb
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