General Technical Data of BL20 Modules
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5.2 General technical data
ATTENTION!
Disregarding the SELV-range
Destruction of components
† The auxiliary power supply must comply with the stipulations of SELV (Safety Extra Low
Voltage) according to IEC 60364-4-41.
Technical data
Supply voltage/auxiliary voltage
Nominal value (provision for other modules) 24 V DC
Permissible range 18…30 VDC
According to EN 61131-2
Residual ripple According to EN 61131-2
Electrical isolation Yes, via opto-coupler
Ambient conditions
Operating temperature horizontal/vertical
mounting
0 …+55°C
For vertical installation, the gateway can be positioned
both at the top and bottom. Sufficient ventilation and
heat dissipation must be ensured.
Modules with extended temperature range -25…+60 °C
Storage temperature - 25…+85 °C
Relative humidity 5…95 %
Climatic tests According to IEC 61131-2
Corrosive gas – SO
2
10 ppm (rel. humidity < 75 %, no condensation)
– H
2
S 1.0 ppm (rel. humidity < 75 %, no condensation)
Resistance to vibration according to IEC 61131-2
10 to 57 Hz, constant amplitude
0.075 mm / 0.003 inch, 1g
Yes
57 to 150 Hz, constant acceleration 1 g Yes
Mode of vibration Frequency sweeps with a change in speed of 1 Octave/
min
Period of oscillation 20 frequency sweeps per axis of coordinate
Shock resistant according to IEC 68-2-27 18 shocks, sinusoidal half-wave 15 g peak value/11 ms,
in each case in ± direction per space coordinate
Resistance to repetitive shock according to
IEC 68-2-29
1000 shocks, sinusoidal half-wave 25 g peak value/6
ms, in each case in ± direction per space coordinate
Drop and topple
Height of fall (weight < 10 kg) 1.0 m
Height of fall (weight 10 to 40 kg) 0.5 m
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