Digital Output Module Characteristics
The BMXSDO0802 safety digital output module presents the following performance characteristics:
Characteristic |
Value |
|
|---|---|---|
Nominal values |
Voltage |
24 VDC |
Current |
0.5 A |
|
Limit values |
Voltage |
19...30 V(1) |
Current/Channel |
0.625 A |
|
Current/Module |
5 A |
|
Type external actuator Power-supply |
SELV/PELV (Max 60 V), Overvoltage category II |
|
Tungsten filament lamp power |
max |
6 W |
Leakage current |
At state 0 |
< 0.5 mA |
Residual voltage |
At state 1 |
< 1.2 V |
Protections |
Transient voltage |
yes |
Overload disjunction current |
> 0.625 A |
|
Short circuit |
yes |
|
Wrong polarity |
yes |
|
Over temperature |
yes |
|
Minimum load. Resistance value (For pre-actuator) |
48 Ω |
|
Full detection of CUT wire: Maximum cable load capacitance value (including pre-actuator capacitance) between output and pre-actuator |
10 nF |
|
Response time(2) |
1.2 ms |
|
Reliability: MTTF |
45.8 years @ 25 °C |
|
Switching frequency on inductive load |
0.5 / LI2Hz with Fmax =2 Hz |
|
Output paralleling |
Yes (2 maximum) |
|
Compatibility with DC inputs |
Yes (Only sink type 3 or sink not IEC) |
|
Built-in protection |
Against overvoltage |
Yes - by internal TVS |
Against reverse polarity |
Yes - by reverse-mounted diode. Provide a fuse to the pre-actuator 24 V. |
|
Against short circuits and overloads |
Yes - by current limiter and electronic circuit-breaker 1.5 In < Id < 2 In |
|
24V Preactuator voltage Monitoring threshold |
OK |
> 19.0 V and < 31.8 V |
Fault |
< 18.0 V and > 31.8 V |
|
Preactuator voltage Monitoring response time |
On disappearance |
2 ms < T < 5.6 ms |
On appearance |
10 ms < T < 15.6 ms |
|
Consumption 3.3V |
Typical |
240 mA |
Maximum |
264 mA |
|
Consumption 24V backplane |
Typical |
80 mA |
Maximum |
90 mA |
|
Consumption 24V pre-actuator (Without load current) |
Typical |
5 mA |
Maximum |
15 mA |
|
Dissipated power |
4.4 W max |
|
Dielectric strength (output/ground or internal logic) |
1500 V rms & 50/60 Hz for 1 min |
|
Insulation resistance |
> 10 MΩ at 500 VDC |
|
(1) 33V permissible for 1 hour per 24h. (2) All outputs have fast demagnetization circuits for electromagnets. Electromagnet discharge time < L/R. |
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