SIEMENS 6ES7131-4BF00-
The Siemens 6ES7131-4BF00-0AA0 is a compact, high-density digital input electronic module from the SIMATIC ET 200S distributed I/O system series. It acts as an interface between your central PLC (like an S7-300, S7-400, or S7-1500) and field devices such as pushbuttons, limit switches, and proximity sensors. Designed for space-saving control cabinets, this module snaps directly onto a compatible ET 200S terminal module (TM-E), allowing for hot-swapping (replacing the module under voltage) without disturbing the permanent field wiring. It uses standard 1-wire connection architecture, making it highly efficient for standard industrial automation setups.
| Specifications | |
| Product Make | Siemens |
| Rated Value | 24 V DC |
| Reverse Polarity Protection | Yes |
| Current Consumption | Max. 10 mA from the backplane bu |
| Number of Inputs | 8 |
| Input Characteristic Curve | IEC 61131, type 1 |
| Connection Method | 1-wire connection |
| From “0” to “1” | Typ. 2.0 ms to 4.5 ms |
| From “1” to “0” | Typ. 2.0 ms to 4.5 ms |
| Max. Shielded Cable Length | 1,000 meters |
| Condition | GOOD |
| Warranty | 3 Months |
| Country of Origin | China |
| Protection Degree | IP20 |
| Length | 52 mm |
| Width | 15 mm |
| Height | 81 mm |
| Weight | 35g |










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