Siemens TRANSMAG 2, Operating Instructions Manual

Page: 2 / 10

Flow Measurement
SITRANS F M
Transmitter TRANSMAG 2 with sensor 911/E
3/105
Siemens FI 01 · 2014
■
Technical specifications
Transmitter TRANSMAG 2
Mode of operation and design
Measuring principle Electromagnetic with pulsed
alternating field (PAC)
Magnetic field excitation Automatic power supply syn-
chronization
- 50 Hz AC power supply Bipolar (16.7 Hz)
Bipolar with prepulse (10 Hz)
Unipolar (8.33 Hz)
- 60 Hz AC power supply Bipolar (20 Hz)
Bipolar with prepulse (12 Hz)
Unipolar (10 Hz)
Accuracy under reference
conditions
Measuring tolerance of pulse output
• With v > 0.25 m/s (0.82 ft/s)
 
0.5 % of measured value

1.2 mm/s (0.05 inch/s)
• With v < 0.25 m/s (0.82 ft/s)

2.5 mm/s (0.1 inch/s)
Measuring tolerance of analog out-
put As pulse output plus

0.1 %
conversion error

20 µA
Repeatability 0.2 % of measured value
Reference conditions
• Process temperature 25 °C

5 °C (77 °F

9 °F)
• Ambient temperature 25 °C

5 °C (77 °F

9 °F)
• Warm-up time Min. 30 min
• Installation conditions Inlet pipe section

10 x DN
Outlet pipe section

5 x DN
Installed centered in pipe
• Medium Water without gaseous or solid
components
Calibration
Standard production calibration,
calibration report shipped with sen-
sor Zero-point, 2 x 25 % and 2 x 90 %
Output
Electrical isolation Outputs electrically isolated from
one another and from the power
supply, max. 60 V permissible
against PE/equipotential bonding
Current output 0/4 ... 20 mA
(7ME5034-0…. or 7ME5034-2….)
• Signal
- Upper limit 0/4 … 20 mA, selectable
- Failure 20 … 22.5 mA,
optional 3.6; 20 or 24 mA
• Load
- Output max. 600

, max. load voltage
15 V DC
- For HART communication

250

Communication Via analog output with PC cou-
pling module or HART communi-
cator
• Protocol HART, version 5.1
Digital output
Signal
• Output Configurable as active or passive
signals
- Active signal 24 V DC,

24 mA, R
i
= 170

- Passive signal Open collector, max. 30 V DC,
200 mA
Output configuration
• Pulse
- Pulse significance

5000 pulses/s
- Pulse width

0.1 ms
• Limit frequency

10000 Hz
• Limits Limits for flow and quantity, flow
direction, alarm
Digital output 2 (relay)
(only 7ME5034-0.…)
Relay NC or NO function
• Rating Max. 5 W, max. 50 V AC/DC,
max. 200 mA
• Output configuration Limits for flow and quantity, flow
direction, alarm
Digital input (optional to digital
output 2)
(only 7ME5034-2.…)
• Input function configurable as
high-active or low-active
Set measured value or counter to
zero
• Signal voltage Max. 30 V DC, R
i
= 3 k

:
High level: +11 ... +30 V DC
Low level: -30 ... +5 V DC
For PROFIBUS devices
PROFIBUS PA (for
PROFIBUS-devices 7ME5034-1….)
• Communication Layer 1 and 2 according to
PROFIBUS PA
Transmission according to
IEC 1158-2
Layer 7 (protocol layer) according
to PROFIBUS PA and DP V1
(EN 50170)
Device class B, device profile 2.0
Max. 4 simultaneous C2 connec-
tions
• Bus voltage 9 ... 32 V DC permissible
• Current consumption from bus 10 mA; limited to

15 mA in event
of fault by electrical current limita-
tion
Rated operating conditions
Installation conditions See also sensor
Ambient temperature
• Operation -20 ... +60 °C (-4 ... +140 °F)
• Display module 0 ... 50 °C (32 ... 122 °F)
Storage -25 ... +80 °C (-13 ... +176 °F)
Degree of protection IP67/NEMA 4X
Electromagnetic compatibility
(EMC)
• Emitted interference To IEC/EN 61326 for use in
industrial areas
• Noise immunity To IEC/EN 61326 for use in
industrial areas
FI01_2014_en_Kap03.book Seite 105 Montag, 11. November 2013 4:45 16
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