Siemens 6ES7131-4FB00-0AB0 Digital Input Electronic Module
Siemens 6ES7131-4FB00-0AB0 Digital Input Electronic Module
0.0
Points
Brand:Siemens Item No.:6ES7131-4FB00-0AB0 Product Origin:Germany Product Dimensions:15 × 81 × 52 mm 0.174 kg Product Weight:0.174 kg Payment:T/T, Western Union, Credit Card Goods_stock:15 Shipping Port:Xiamen, China Lead Time:1-3 Days Condition:Brand New And Original Warranty:1 Year Certificate:COO
The Siemens 6ES7131-4FB00-0AB0 is a SIMATIC ET 200S digital input module intended for acquiring two 230 V AC digital signals in distributed automation systems. It enables compatible field switching signals to be incorporated into a PLC control program through the ET 200S I/O architecture.
The module uses a compact 15 mm-wide format and provides individual green status indicators for its input channels. Its input characteristics are designed for AC signal detection, making it distinct from 24 V DC digital input modules commonly used for low-voltage sensors and control circuits.
When integrating this product, engineers should confirm the input voltage, AC frequency, wiring arrangement, terminal module, and system configuration. Because the module does not provide channel-to-channel isolation or dedicated diagnostics, these characteristics should be considered during electrical design and troubleshooting planning.
The 6ES7131-4FB00-0AB0 is listed as a cancelled product and spare-part item. It may be relevant for maintenance, repair, or replacement of existing equipment, subject to availability and compatibility checks.
Technical Specifications
Parameter
Specification
Brand
Siemens
Model
6ES7131-4FB00-0AB0
Product Type
Digital Input Electronic Module
Product Family
SIMATIC ET 200S
Number of Digital Inputs
2
Input Signal Type
Digital AC
Rated Input Voltage
230 V AC
Input Frequency
47–63 Hz
Signal “0” Voltage
0–40 V AC
Signal “1” Voltage
164–264 V AC
Input Current at Signal “1”
5–15 mA
Typical Input Current
5 mA
Input Delay, 0 to 1
15 ms
Input Delay, 1 to 0
45 ms
Input Characteristic
IEC 61131, Type 1
Channel-to-Channel Isolation
No
Isolation from Backplane Bus
Yes
Diagnostic Functions
No
Channel Status Indicator
Green LED per channel
Two-Wire Sensor Connection
Not supported
Maximum Shielded Cable Length
1,000 m
Maximum Unshielded Cable Length
600 m
Typical Power Dissipation
0.7 W
Width
15 mm / 0.59 in
Height
81 mm / 3.19 in
Depth
52 mm / 2.05 in
Listed Net Weight
0.174 kg / 0.38 lb
Product Status
Cancelled; listed as a spare part
Note: The listed weight of 0.174 kg may reflect the catalog or packaging-unit basis. Technical documentation gives an approximate electronic module weight of 31 g. Confirm the applicable packing quantity and shipping weight when purchasing.
Recommended Related Models
The following Siemens ET 200S modules may be relevant when maintaining or modifying a distributed I/O station. Input voltage, channel count, and electrical characteristics must be checked before substitution.
Model
Product Type
Key Difference
6ES7131-4EB00-0AB0
2-channel digital input module
Designed for 120 V AC input signals
6ES7131-4BB01-0AA0
2-channel digital input module
Designed for 24 V DC input signals
6ES7131-4BB01-0AB0
2-channel digital input module
24 V DC high-feature input version
6ES7131-4BF00-0AA0
8-channel digital input module
Provides eight 24 V DC input channels
6ES7131-4BD01-0AB0
4-channel digital input module
Provides four 24 V DC high-feature inputs
These models are not direct drop-in replacements for the 6ES7131-4FB00-0AB0. Verify field voltage, terminal-module compatibility, wiring, and configuration requirements before replacement.
Popular Related Models
Model
Product Description
6ES7132-4BB01-0AB0
SIMATIC ET 200S digital output electronic module
6ES7134-4GB01-0AB0
SIMATIC ET 200S analog input electronic module
6ES7135-4GB01-0AB0
SIMATIC ET 200S analog output electronic module
6ES7193-4CA50-0AA0
SIMATIC ET 200S terminal module
6ES7151-1AA05-0AB0
SIMATIC ET 200S interface module
When selecting related components, confirm the complete ET 200S station configuration, interface-module requirements, terminal-module type, and engineering configuration.
Applications
The Siemens 6ES7131-4FB00-0AB0 Digital Input Electronic Module is designed for the SIMATIC ET 200S distributed I/O system. It provides two digital input channels for monitoring AC switching signals in industrial automation applications.
With a rated input voltage of 230 V AC, this module is suitable for interfacing compatible AC-operated switches and control contacts with a PLC-based automation system. It can be used in distributed control panels where digital signals need to be collected and transmitted to a higher-level controller.
Typical applications include:
Industrial machine control: Monitoring AC control signals and switch states.
Distributed I/O systems: Collecting field signals through an ET 200S station.
Electrical control panels: Integrating compatible 230 V AC input signals into automation architectures.
Equipment status monitoring: Detecting operating states from suitable AC-powered control devices.
PLC-based process control: Providing digital input information for control logic and sequencing.
This module is a legacy product listed by Siemens as a spare part. Before selecting it for a new installation, verify its availability and suitability for the intended ET 200S configuration.
Advantages
Two digital input channels: Monitors two separate AC input signals within one compact module.
230 V AC input rating: Designed for industrial applications using compatible AC control signals.
Compact installation width: The 15 mm module width helps conserve space in distributed I/O assemblies.
Individual channel status indication: Green LEDs provide visual indication of the digital input states.
Backplane bus isolation: The digital inputs are electrically isolated from the backplane bus.
Industrial input characteristics: Uses an input characteristic in accordance with IEC 61131, Type 1.
Long cable support: The specified maximum cable length is up to 1,000 m for shielded cables and 600 m for unshielded cables, subject to installation conditions.
ET 200S integration: Designed for use within the Siemens SIMATIC ET 200S distributed I/O platform.
The module does not provide diagnostic functions or electrical isolation between its two input channels. System designers should account for these limitations when planning the control architecture.
Technical FAQs
Q1: What is the Siemens 6ES7131-4FB00-0AB0?
It is a Siemens SIMATIC ET 200S digital input electronic module with two inputs designed for 230 V AC signals.
Q2: How many digital inputs does this module provide?
The module provides two digital input channels for monitoring compatible AC signals.
Q3: What is the rated input voltage?
The rated input voltage is 230 V AC, with a specified frequency range of 47–63 Hz.
Q4: What are the input voltage thresholds?
The specified signal “0” range is 0–40 V AC, while the signal “1” range is 164–264 V AC. Signals in the intervening range should not be assumed to produce a defined state.
Q5: What is the typical input current?
The typical input current at signal “1” is approximately 5 mA, with a specified range of 5–15 mA.
Q6: Does the module support diagnostic functions?
No. This model does not provide dedicated diagnostic functions or short-circuit diagnostics.
Q7: Does it have channel status LEDs?
Yes. Each digital input channel has a green LED for visual status indication.
Q8: Are the two input channels electrically isolated from each other?
No. The channels are not electrically isolated from one another. The digital inputs are isolated from the backplane bus.
Q9: Can this module be used with two-wire sensors?
The module is not specified for connection to two-wire sensors. Check the electrical characteristics of the field device and select an appropriate input module if necessary.
Q10: Is the 6ES7131-4FB00-0AB0 suitable for new automation projects?
It is primarily a legacy spare-part option. Siemens lists the product as cancelled, so it is advisable to confirm availability and evaluate a suitable alternative for new projects.
