Altitude Operating Conditions
The characteristics in the table below apply to the modules BMX DDO 6402 K and BMX DDO 6402 KC for use at altitude up to 2000 m (6560 ft). When the modules operate above 2000 m (6560 ft), apply additional derating.
For detailed information, refer to chapter Operating and Storage Conditions.
General Characteristics
This table presents the general characteristics for the BMX DDO 6402 K and BMX DDO 6402 KC modules:
Module type |
24 VDC positive logic static outputs |
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Operating temperature |
0...60 ºC (32...140 ºF) |
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Temperature derating |
Apply the temperature derating curve |
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Nominal values |
Voltage |
24 VDC |
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Current |
0.1 A |
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Threshold values |
Voltage (including ripple) |
19...30 V (34 V possible for 1 hour/day) |
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Current/channel |
0.125 A |
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Current/module |
6.4 A |
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Power of tungsten filament lamp |
Maximum |
1.2 W |
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Leakage current |
At 0 |
100 μA for U = 30 V |
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Voltage drop |
At 1 |
< 1.5 V for I = 0.1 A |
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Load impedance |
Minimum |
220 Ω |
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Response time(1) |
1.2 ms |
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Max. overload time before internal damage |
15 ms |
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Reliability |
MTBF for continuous operation in hours at ambient temperature 30 °C (86 °F) |
159 924 |
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Frequency of switching to inductive load |
0.5 / LI2 Hz |
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Paralleling of outputs |
Yes (maximum of 3) |
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Compatibility with IEC 61131-2 DC direct inputs |
Yes (type 3 and no type) |
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Built-in protection |
Against over voltage |
Yes, by Transil diode |
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Against inversions |
Yes, by inverted diode(2) |
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Against short-circuits and overloads |
Yes, by current limiter and electric circuit-breaker 0.125 A < Id < 0.185 A |
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Fuse type |
Internal |
None |
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External |
1 fast blow fuse of 2 A for each 16-channel group |
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Pre-actuator voltage: monitoring threshold |
OK |
> 18 V |
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Error |
< 14 V |
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Pre-actuator voltage: monitoring response time |
On appearance |
8 ms < T < 30 ms |
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On disappearance |
1 ms < T < 3 ms |
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Power consumption 3.3 V |
Typical |
160 mA |
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Maximum |
226 mA |
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24 V pre-actuator consumption (excluding load current) |
Typical |
92 mA |
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Maximum |
127 mA |
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Power dissipation |
6.85 W max. |
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Dielectric strength |
Output / ground or output / internal logic |
1500 V actual, 50 / 60 Hz for 1 min |
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Between channel groups |
500 VDC |
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Resistance of insulation |
>10 MΩ (below 500 VDC) |
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(1) All outputs are equipped with fast demagnetization circuits for electromagnet. Electromagnet discharge time < L/R. (2) Provide a 2 A fuse to the +24 V pre-actuator supply. |
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