Digital Input Module Characteristics
The BMXSDI1602 safety input module presents the following performance characteristics:
Characteristic |
Value |
|
|---|---|---|
Nominal input |
Voltage |
24 VDC |
Type external sensor Power-supply |
SELV/PELV, overvoltage II |
(Max 60 V) |
Typical input current |
Current |
3.2 mA |
Input limit values |
Voltage at state 1 |
≥ 11 V |
Voltage at state 0 |
≤ 5 V |
|
Current at state 1 |
> 2 mA for U ≥ 11 V |
|
Current at state 0 |
< 1.5 mA |
|
Sensor supply (Ripple included) |
From 19 to 30 V (Possible up to 33. Limited 1 hour per Day) |
|
Input Impedance |
At Unom |
7.5 KΩ |
Response time |
Typical/Maximum |
100 μs/ 250 μs |
Reliability |
MTTF @ Tamb = 25 °C |
31.5 years |
Reverse polarity |
Protected |
|
IEC61131-2 - Edition 3.0 (2007) |
Type 3 |
|
Compatibility |
(2 wires, 3 wires prox. Sensors) |
IEC 947-5-2 |
Dielectric strength |
Primaries/secondary |
1500 VRMS (at 4000 m) 50/60 Hz for 1 min |
Insulation resistance |
> 10 MΩ (at 500 VDC) |
|
Input type |
Current sink |
|
Input paralleling(1) |
Yes |
|
Sensor voltage Monitoring threshold |
OK |
> 18.6 VDC < 32 VDC |
Fault |
< 18.6 VDC > 33 VDC |
|
Sensor voltage monitoring response Time |
On disappearance |
4.4 ms < T < 30 ms |
On appearance |
0.18 ms < T < 0.3 ms |
|
Maximum external capacitance when using VS for short-circuit to 24V detection |
Maximum |
80 nF |
3.3V consumption |
Typical |
200 mA |
Maximum |
256 mA |
|
24V consumption |
Typical |
63 mA |
Maximum |
100 mA |
|
Max dissipated power |
3.57 W |
|
(1) This characteristic enables several inputs to be wired on the same module, or on different modules if redundant inputs are required. |
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