Dräger Polytron 8100, Instructions For Use Manual, Page: 44 / 254

44 Dräger Polytron 8100
Technical data
10.5 Fieldbus specifications
Instruments with fieldbus interfaces and remote sensors must
be installed with shielded cables.
Using the fieldbus interface no relay option is available.
10.6 Physical specifications
10.7 Environmental parameters
10.8 Environmental influences
For influences on the measurement performance and
restrictions of a particular sensor see sensor data sheet.
10.9 Tightening torque for instrument threads
The values are valid for aluminum and stainless steel
316 versions.
10.10 Tightening torque and size for field wiring
terminals
Cable specification
fieldbus
a) Modbus RTU: 4-core,
≥
AWG 26
b) Profibus PA /
Foundation Fieldbus
H1 2-core, Cable type A,
Wave impedance R
w
: 135 - 165
Ω
Capacitance / unit length
C‘:
< 30 pF/m
Loop resistance R‘: 110
Ω
/km
Core diameter d: 0.64 mm
Core cross section q: > 0.34 mm
2
Shield coverage: >90 %
Enclosure
material copper free aluminum or
316 stainless steel
Enclosure
protection IP 65/66/67
Display Resolution 128 x 64 pixel, back-lit
Size (LxWxD, approx.)
Without Docking Station
7.1” x 5.8” x 5.1” (180 x 150 x 130 mm)
With Docking Station
7.3” x 7.1” x 7.4” (185 x 180 x 190 mm)
Weight (approx.)
Without Docking Station
aluminum
4.9 lbs. (2.2 kg)
stainless steel 316 8.8 lbs. (4.0 kg)
With Docking Station
aluminum
7.7 lbs. (3.5 kg)
stainless steel 316 11.9 lbs . (5.4 kg)
Pressure 20.7 to 38.4 in. Hg (700 to 1300 hPa)
Humidity 0 to 100%RH, non-condensing
Temperature -40 to +149 °F (-40 to +65 °C)
Storage temperature -40 to +149 °F (-40 to +65 °C)
See sensor data sheet for sensor specifications.
Part Torque Lb. In. Torque Nm
Enclosure lid min. 62 ±17.7 min. 7 ±2
Sensor min. 266 min. 30
Blind plug min. 266 min. 30
Ports
(for conduits or cable
glands)
min. 443 min. 50
Instrument to
Docking Station
(4 screws)
71 8
Terminal Torque
Lb. In.
Wire size
AWG
Wire size
mm
2
Power supply
and signal
4.4 - 7.0
(0.5 - 0.8 Nm)
24 - 12 0.2 - 2.5
Relays
4.4 - 7.0
(0.5 - 0.8 Nm)
20 - 12 0.5 - 2.5
Grounding
screws
10.6
(1.2 Nm)
- -