New Original Siemens 6ES7 131-4BF00-0AA0 6ES7131-4BF00-0AA0 Digital electronic module
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New Original Siemens 6ES7131-4BF00-0AA0 Digital Electronic Input Module
1. Product Overview
The Siemens 6ES7131-4BF00-0AA0 is an original digital electronic input module belonging to the SIMATIC ET 200S distributed I/O system series. It functions as a standard 8-channel 24 V DC digital input unit, designed to collect binary switching signals from field sensors including proximity switches, limit switches, photoelectric sensors and push buttons. This slim 15 mm width module works together with ET 200S interface modules (IM 151 series) and matched terminal modules to build decentralized field control architectures for machine tools, packaging equipment, conveyor lines, robotic stations and small automated production skids. The module follows IEC 61131 Type 1 input characteristic curve and supports 2-wire sensor wiring. It realizes fast signal transmission between field devices and upper-layer S7 PLC via PROFIBUS DP fieldbus, and supports isochronous operation for high-synchronization motion control tasks. Although it has no built-in channel diagnostic function, it delivers stable binary signal acquisition with compact size, low power consumption and hot-swap capability for convenient on-site maintenance.
2. Main Functions
- 8-Channel 24 V DC Digital Signal Acquisition
Collect binary digital signals from field switching sensors; distinguish logic 0 and logic 1 according to standard 24 V DC voltage threshold range.
- Compatibility with 2-Wire Field Sensors
Supports connection of standard 2-wire BEROs proximity sensors with maximum allowable quiescent current of 1.5 mA.
- Fixed Input Delay Filtering
Built-in fixed signal delay of 2–4.5 ms for both rising and falling edges to suppress transient signal interference from industrial wiring and electromagnetic noise.
- Isochronous Real-Time Communication
Supports isochronous mode with 3000 μs cycle time, matching motion control applications requiring synchronized signal sampling.
- Independent Channel LED Status Indication
Each input channel is equipped with a separate green LED; the light turns on when the channel detects logic 1 signal for direct on-site signal status checking.
- Reverse Polarity Protection
Internal reverse polarity protection circuit prevents module damage caused by miswiring of sensor power supply lines.
- Hot-Swap Replacement Support
Allows disassembly and replacement of the electronic module without powering off the ET 200S station when paired with designated terminal modules, reducing equipment downtime.
- Long Cable Signal Transmission
Adapts to long-distance field wiring: maximum 1000 m for shielded cables and maximum 600 m for unshielded cables.
- Electrical Isolation Design
500 V DC isolation test between field input channels and internal backplane bus to block interference from high-voltage field circuits.
- Modular ET 200S System Expansion
Stackable layout with other ET 200S digital input, digital output and analog modules to expand I/O quantity flexibly based on field signal demands.
3. Technical Characteristics
表格
| Technical Parameter | Specification of 6ES7131-4BF00-0AA0 |
|---|---|
| Complete Model Code | 6ES7131-4BF00-0AA0 |
| Series | SIMATIC ET 200S Digital Electronic Module |
| Channel Type | 8 × Digital Input (DI) |
| Rated Input Voltage | 24 V DC |
| Logic 0 Voltage Range | -30 V DC ~ +5 V DC |
| Logic 1 Voltage Range | +15 V DC ~ +30 V DC |
| Typical Input Current (Logic 1) | 5 mA per channel |
| Input Delay Range | 2 ms ~ 4.5 ms (non-parameterizable fixed value) |
| Supported Sensor Type | 2-wire proximity switches, 3-wire PNP/NPN sensors |
| Max Permissible Quiescent Current for 2-Wire Sensors | 1.5 mA |
| Backplane Bus Supply Current (3.3 V DC) | Max. 10 mA |
| Typical Module Power Dissipation | 1.2 W |
| Address Space Occupation | 1 byte input address |
| Communication Interface | PROFIBUS DP (via ET200S IM interface module) |
| Isochronous Mode Support | Yes, TWE = 3000 μs |
| Cable Transmission Limit | Shielded cable ≤1000 m; Unshielded cable ≤600 m |
| Protection Mechanism | Reverse polarity protection, internal overvoltage protection |
| Channel Diagnostic Function | Not supported |
| Status Indicator | 8 independent green channel LEDs |
| Isolation Withstand Voltage | 500 V DC between field side and bus side |
| Protection Class | IP20 (cabinet internal installation only) |
| Operating Ambient Temperature | 0 °C ~ +60 °C |
| Storage & Transport Temperature | -40 °C ~ +70 °C |
| Compliance Certifications | CE, UL, ATEX Category 3G |
| Matching Accessory | ET200S type A/B terminal module (sold separately) |
4. Product Dimensions & Weight
4.1 Overall Module Dimensions
表格
| Dimension Item | Exact Measurement |
|---|---|
| Module Width | 15 mm |
| Module Height | 81 mm |
| Module Depth | 52 mm |
4.2 Weight Specifications
- Single unit net weight (without terminal module): 0.042 kg
- Gross weight with original individual carton packaging: 0.065 kg
5. Core Structural & Design Advantages
- Ultra-slim 15 mm narrow body: Saves massive DIN rail space inside control cabinets, ideal for compact small machine control panels.
- Split modular structure: Separated electronic module and terminal base; only replace the electronic part during failure without rewiring field cables.
- Simple wiring compatibility: Works with standard copper solid and stranded wires, matching universal industrial terminal wiring standards.
- Low power loss circuit design: Minimal heat generation during continuous operation, no extra heat dissipation accessories required.
- Unified ET200S platform compatibility: Freely combined with all ET200S series I/O modules without extra matching adapters.
- Robust anti-interference hardware: Internal filtering and isolation circuits stabilize signal acquisition in workshops with inverters and servo drives.
- Standard industrial mechanical structure: Anti-vibration casing adapts to vibration-intensive equipment such as metal cutting machine tools.
6. List of 10 Similar Functional Siemens ET200S Digital Input Electronic Modules
All listed products belong to ET200S digital input electronic modules for binary field signal collection, with modular split design and PROFIBUS DP communication; differences lie in channel quantity, voltage type, diagnostic functions and signal characteristics:
- Siemens 6ES7131-4BB01-0AA0: 4DI 24 V DC basic digital input module, 15 mm width
- Siemens 6ES7131-4CD00-0AA0: 4DI 120 V AC alternating current digital input module
- Siemens 6ES7131-4DD00-0AA0: 4DI 230 V AC high-voltage digital input unit for AC sensors
- Siemens 6ES7131-4EB00-0AA0: 8DI 24 V DC with full channel short-circuit and wire break diagnostic function
- Siemens 6ES7131-4FB00-0AA0: 16DI 24 V DC high-density digital input module, 30 mm width
- Siemens 6ES7131-4HB01-0AA0: 8DI NAMUR intrinsically safe input module for hazardous explosion-proof zones
- Siemens 6ES7131-4JC00-0AA0: 4DI 24 V DC fast high-speed input module with adjustable microsecond-level delay
- Siemens 6ES7131-4LB00-0AA0: 8DI 24 V DC fail-safe F-DI safety input module for PL e safety circuits
- Siemens 6ES7131-4MB00-0AA0: 4DI dual signal input module supporting simultaneous PNP and NPN sensor wiring
- Siemens 6ES7131-4PB00-0AA0: 8DI wide temperature extended version for low-temperature workshop environments
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Sobre nosotros
Located in Kunshan, China, Atifts Technology Co., Ltd. is a well-known enterprise specializing in electronic components distribution. We specialize in the sales of global brands of industrial automation components, with a wealth of experience in foreign product agents, and many of the world's leading manufacturers such as Keens, Schneider, SMC, ABB, Siemens, and other world-renowned manufacturers to establish a long-term and stable relations of cooperation.
Atifts Technology Co., Ltd. @ 2024
Over the years, we have always adhered to the "pioneering, pragmatic, standardized, innovative" management philosophy, and constantly promote the close integration of products and market demand. We firmly believe that only by constantly exploring new market areas, doing a good job in every detail, standardizing business processes, and continuously innovating products and services can we ensure that our products are more adaptable to market changes and meet the diversified needs of our customers.
Since the founding of the company, we have always adhered to the core concept of "survival by quality", and are committed to providing customers with high-quality electronic components. At the same time, we take specialized R & D manufacturing as the goal, market-oriented development strategy to ensure that our products are always in the forefront of the industry.
With excellent product quality, professional technical service and good market reputation, Kunshan Autofits Technology Co.,Ltd. has won the trust and support of our customers. We look forward to working with more partners hand in hand, to achieve long-term win-win relationship, and jointly promote the prosperity of the electronic components industry.
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