SM 1231 Digital input 1200PLC Module which is similar as Siemens S7-1200 PLC
1) SM 1221 Digital input, 8 DI 24V DC
2) Compatible with Siemens 6es7 221-1BF32-0XB0
3) Digital module;
4) Could connect with Siemens 1200 CPU and Modules;
5) 3-year warranty;
6) 2-3 working days after payment can ship;
7) Material: ABS, IC
| Model | SM 1221 DI8 x24V DC | |
| Order number | UN 221-1BF32-0XB0 | |
| General | ||
| Dimension W x H x D ( m m ) | 45×100×75 | |
| Weight | 170 g | |
| Power consumption | 1.5 W | |
| Current consumption (SM bus) | 105 mA | |
| Current consumption (24VDC) | Each point input used is 4mA | |
| Digital input | ||
| Enter points | 8 | |
| Type | Sink/Source type (IEC Class 1 sink type) | |
| Rated voltage | 24VDC at 4mA, rated value | |
| Allowed continuous voltage | Maximum 30V DC | |
| Surge voltage | 35VDC, lasting 0.5 | |
| Logic 0 signal (minimum) | 2. 15V DC at 5mA | |
| Logic 1 signal (maximum) | 5 V DC at 1 mA | |
| Isolation (field side and logic side) | 707V DC(Type test) | |
| Isolation group | 2 | |
| Filter time | 0.2, 0.4, 0.8, 1.6, 3.2, 6.4 and 12.8 ms (selectable, 4 in a group) | |
| Number of inputs connected simultaneousl | 8 | |
| Cable length (meter) | 500 (shielded);300 (unshielded) | |
