The 6ES7131-6FD01-0BB1: This module mounts on a BU type B1 BaseUnit, which handles the wiring interface for 1-wire, 2-wire, 3-wire, and 4-wire sensors. For 4-wire connections, you also need a potential distributor module. The module is 20 mm wide and 73 mm tall, fitting standard ET 200SP rail layouts. Shielded cable runs up to 1000 m; unshielded up to 600 m.
Siemens 6ES7131-6FD01-0BB1 ET 200SP DI Module, 230 VAC, 4 In
MPN6ES7131-6FD01-0BB1
Active
Siemens SIMATIC ET 200SP, digital input module, 4 DI, 230 V AC, BU type B1, width 20 mm, active production.
$48.26Ref. price · indicative, final on quote
Source DocumentedChannel stated on listing & quote
Condition PhotosReal unit photos / video on request
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Worldwide DispatchDHL/FedEx — transit quoted per order
Independent China distributor & sourcing agent· Listing updated Sep 2026
Specifications
| Parameter | Value |
|---|---|
| Number of digital inputs | 4 |
| Max. inputs, up to 60 °C | 10 A |
| 2-wire sensor support | Yes |
| Parameter | Value |
|---|---|
| Input voltage at signal "1" | 74 V AC to 264 V AC |
| Input voltage at signal "0" | 0V AC to 40V AC |
| Input current at signal "1" (typ.) | 10.8 mA |
| Power loss (typ.) | 1 W; Active power, load voltage 230 V, all inputs connected with 230 V, 50 Hz |
| Cable length, unshielded, max. | 600 m |
| Cable length, shielded, max. | 1 000 m |
| Parameter | Value |
|---|---|
| Input delay 0 to 1, min. | 1.5 ms |
| Input delay 1 to 0, min. | 10 ms |
| Input delay 0 to 1, max. | 4 ms |
| Input delay 1 to 0, max. | 10 ms |
| Input delay, parameterizable values | No |
| Parameter | Value |
|---|---|
| Max. ambient temperature, horizontal installation | 60 °C |
| Parameter | Value |
|---|---|
| Short-circuit protection | No; when using BU type B1, a fuse with 10 A tripping current must be provided |
| Short-circuit (NAMUR sensor) | No |
| Diagnostic alarm | No |
| Hardware interrupt support | No |
| Isolation between channels | No |
| Isolation between channels and backplane bus | Yes |
| Isolation test voltage | 2 545 V DC/2 s (routine test) |
| Parameter | Value |
|---|---|
| Depth | 58 mm |
| Height | 73 mm |
| Width | 20 mm |
| Parameter | Value |
|---|---|
| Rated value (AC) | 230 V |
Product details
Frequently asked questions
What BaseUnit does this module require?
It requires a BU type B1 BaseUnit for 1-wire, 2-wire, and 3-wire connections. For 4-wire sensors, add a potential distributor module.
What are the input voltage thresholds?
Signal "0" is 0 V AC to 40 V AC; signal "1" is 74 V AC to 264 V AC. Rated voltage is 230 V AC.
What is the input delay time?
Minimum 1.5 ms, maximum 4 ms for 0-to-1 transition; 10 ms for 1-to-0 transition.
MPN
6ES7131-6FD01-0BB1