021-1SD10 - Signal modules digital | Digital input modules
Order no. | 021-1SD10 |
Type | SM 021 |
Module ID | 0C42 2E00 |
General information | |
Note | - |
Features | 4x SDI DC 24 V Safety / FSoE |
Current consumption/power loss | |
Current consumption from backplane bus | 95 mA |
Power loss | 0.8 W |
Technical data digital inputs | |
Number of inputs | 4 |
Cable length, shielded | 330 m |
Cable length, unshielded | 330 m |
Rated load voltage | - |
Current consumption from load voltage L+ (without load) | 2 mA |
Rated value | DC 20.4...28.8 V |
Input voltage for signal "0" | DC 0...5 V |
Input voltage for signal "1" | DC 11...28.8 V |
Input voltage hysteresis | - |
Signal logic input | Sinking input |
Frequency range | - |
Input resistance | - |
Input capacitance | 100 nF |
Input current for signal "1" | 3 mA |
Connection of Two-Wire-BEROs possible | ![]() |
Max. permissible BERO quiescent current | 1.5 mA |
Input delay of "0" to "1" | parameterizable 1ms - 1s |
Input delay of "1" to "0" | parameterizable 1ms - 1s |
Number of simultaneously utilizable inputs horizontal configuration | 4 |
Number of simultaneously utilizable inputs vertical configuration | 4 |
Input characteristic curve | IEC 61131-2, type 3 |
Initial data size | 4 Bit |
Status information, alarms, diagnostics | |
Status display | green LED per channel |
Interrupts | yes, parameterizable |
Process alarm | no |
Diagnostic interrupt | yes, parameterizable |
Diagnostic functions | yes, parameterizable |
Diagnostics information read-out | possible |
Module state | green LED |
Module error display | red LED |
Channel error display | red ERR-LED and yellow ER2-LED |
Isolation | |
Between channels | - |
Between channels of groups to | - |
Between channels and backplane bus | ![]() |
Insulation tested with | DC 500 V |
Safety | |
Safety protocol | FSoE |
Safety requirements | SIL CL 3, PL e, Kat 4 |
Secure user address | 1 - 4095 |
Watchdog | parameterizable 20ms - 65s |
Two channels | Each 2 of 4 inputs switchable |
Test pulse outputs | 4 |
Datasizes | |
Input bytes | 6 |
Output bytes | 6 |
Parameter bytes | 16 |
Diagnostic bytes | 20 |
Housing | |
Material | PC / PPE GF10 |
Mounting | Profile rail 35 mm |
Mechanical data | |
Dimensions (WxHxD) | 12.9 mm x 109 mm x 76.5 mm |
Net weight | 63 g |
Weight including accessories | 68 g |
Gross weight | 84 g |
Environmental conditions | |
Operating temperature | 0 °C to 60 °C |
Storage temperature | -25 °C to 70 °C |
Certifications | |
UL certification | in preparation |
C certification | in preparation |