Product Overview
Technical Summary
| Digital inputs | 4, parameterizable |
|---|---|
| Input voltage | Rated value: 230 V AC; signal "0": 0 V AC to 40 V AC; signal "1": 74 V AC to 264 V AC |
| BaseUnit | BU type B1 |
| 4-wire connection | BU type B1 + potential distributor module |
| Module diagnostics | Yes; green/red DIAG LED |
| Firmware version | V0.0 |
| PROFINET | Suitable for operation on PROFINET R1 IMs; GSDML V2.3 |
| STEP 7 TIA Portal | Configurable/integrated from version V14 |
| Power loss | 1 W typical; Active power, load voltage 230 V, all inputs connected with 230 V, 50 Hz |
Key Features
4 parameterizable digital inputs with P-reading input and an IEC 61131 type 3 input characteristic curve.
Rated input value: 230 V AC; signal "0": 0 V AC to 40 V AC; signal "1": 74 V AC to 264 V AC.
BU type B1 supports 1-wire, 2-wire, and 3-wire connections; 4-wire connection requires BU type B1 plus a potential distributor module.
Module diagnostics are available with a green/red DIAG LED; channel status display uses a green LED.
Suitable for operation on PROFINET R1 IMs; configurable with STEP 7 TIA Portal from V14 and STEP 7 from V5.5 SP3.
Product type designation: DI 4×120…230VAC ST; color code CC41; mechanical coding element type C; packing unit: 1 piece.
Frequently Asked Questions
What is the exact Siemens line item?
It is Siemens 6ES7131-6FD01-0BB1, SIMATIC ET 200SP digital input module, product type DI 4×120…230VAC ST.
How many digital inputs does the module have?
It has 4 parameterizable digital inputs for 230 V AC rated input voltage.
Which BaseUnit is required for a 4-wire connection?
A 4-wire connection requires BU type B1 plus a potential distributor module.
What engineering versions are supported?
STEP 7 TIA Portal is configurable/integrated from V14, and STEP 7 is configurable/integrated from V5.5 SP3.
What should be included in a project quotation request?
Include the quantity, destination, schedule context, and any additional BOM lines with the exact 6ES7131-6FD01-0BB1 line item.
