6ES7131-4BD00-0AA0 Siemens - Digital Input Module
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Compact Digital Input Module for Siemens ET 200S Systems
The Siemens 6ES7131-4BD00-0AA0 is a 4-channel digital input module. It connects sensors and switches to your ET 200S distributed I/O system. Packaged efficiently with 5 pieces per box for value.
Key Features & Benefits
- Compact design, only 15 mm wide per module.
- Reads standard 24 V DC sensor signals.
- Built-in reverse polarity protection for safety.
- Provides 500 mA encoder supply for connected sensors.
- Long cable support up to 1000 m (shielded).
- Easy status monitoring with per-channel LED indicators.
Complete Technical Specifications
Brand: Siemens
Model: 6ES7131-4BD00-0AA0 ET 200S Digital Input Module
Module Type: 4 DI, Standard (24V DC)
Packaging: 5 modules per box
Supply Voltage: 24 V DC (via power module)
Number of Inputs: 4
Input Voltage Rating: 24 V DC
Signal "1" Range: +15 to +30 V
Signal "0" Range: -30 to +5 V
Input Current (at 24V): Typically 7 mA
Input Delay: Typically 3 ms (2 to 4.5 ms)
Encoder Supply: 24 V DC, up to 500 mA
Cable Length: 1000 m (Shielded), 600 m (Unshielded)
Power Loss: Typically 0.7 W
Electrical Isolation: 500 V DC (Between field and system)
Dimensions (WxHxD): 15 x 81 x 52 mm
Weight: Approx. 35 g per module
Compatibility: SIMATIC ET 200S distributed I/O system.
Frequently Asked Questions (FAQ)
What can I connect to this 6ES7131-4BD00-0AA0 module?
Connect any standard 24V DC digital device: push buttons, limit switches, proximity sensors (PNP), or photocells.
Why are there 5 modules in one package?
It's a cost-effective multi-pack for installing or stocking multiple I/O points in a control cabinet, reducing the cost per channel.
How do I wire a 2-wire sensor (BERO) to it?
Use the module's built-in 24V/500mA sensor supply. Connect one wire to the input terminal and the other to the L+ supply terminal provided by the module.
What does the typical 3 ms input delay mean for my application?
It's the time the module takes to recognize a signal change. This is fine for most applications (e.g., buttons, sensors) but may be too slow for very high-speed counting.
Can I use it in a high-noise electrical environment?
Yes, its robust signal ranges (-30V to +5V for "0") provide good noise immunity. For best practice, always use shielded cable and ground properly.
Shipping & Warranty Details
Your order includes a factory-sealed box of 5x Siemens 6ES7131-4BD00-0AA0 modules. We ship fast via FedEx, UPS, and DHL. All products are covered by our reliable 12-month warranty.
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