021-1BH00 - Signal modules digital | Digital input modules
Order no. | 021-1BH00 |
Type | SM 021 |
Module ID | 0020 1FC2 |
General information | |
Note | - |
Features | 16x DI DC 24 V |
Current consumption/power loss | |
Current consumption from backplane bus | 35 mA |
Power loss | 1.2 W |
Technical data digital inputs | |
Number of inputs | 16 |
Cable length, shielded | 1000 m |
Cable length, unshielded | 600 m |
Rated load voltage | - |
Current consumption from load voltage L+ (without load) | - |
Rated value | DC 20.4...28.8 V |
Input voltage for signal "0" | DC 0...5 V |
Input voltage for signal "1" | DC 15...28.8 V |
Input voltage hysteresis | - |
Signal logic input | Sinking input |
Frequency range | - |
Input resistance | - |
Input capacitance | - |
Input current for signal "1" | 2.3 mA |
Connection of Two-Wire-BEROs possible | ![]() |
Max. permissible BERO quiescent current | 0.5 mA |
Input delay of "0" to "1" | parameterizable 400µs - 23ms |
Input delay of "1" to "0" | parameterizable 400µs - 23ms |
Number of simultaneously utilizable inputs horizontal configuration | 16 |
Number of simultaneously utilizable inputs vertical configuration | 16 |
Input characteristic curve | IEC 61131-2, type 1 |
Initial data size | 16 Bit |
Status information, alarms, diagnostics | |
Status display | green LED per channel |
Interrupts | no |
Process alarm | no |
Diagnostic interrupt | no |
Diagnostic functions | no |
Diagnostics information read-out | none |
Module state | green LED |
Module error display | red LED |
Channel error display | none |
Isolation | |
Between channels | - |
Between channels of groups to | - |
Between channels and backplane bus | ![]() |
Insulation tested with | DC 500 V |
Safety | |
Safety protocol | - |
Safety requirements | - |
Secure user address | - |
Watchdog | - |
Two channels | - |
Test pulse outputs | - |
Datasizes | |
Input bytes | 2 |
Output bytes | 0 |
Parameter bytes | 1 |
Diagnostic bytes | 0 |
Housing | |
Material | PPE / PPE GF10 |
Mounting | Profile rail 35 mm |
Mechanical data | |
Dimensions (WxHxD) | 12.9 mm x 109 mm x 76.5 mm |
Net weight | 52 g |
Weight including accessories | 52 g |
Gross weight | 66 g |
Environmental conditions | |
Operating temperature | 0 °C to 60 °C |
Storage temperature | -25 °C to 70 °C |
Certifications | |
UL certification | in preparation |
KC certification | in preparation |