Siemens 6ES7131-6BF01-0BA0 SIMATIC ET 200SP Digital Input 8x24V DC

The Siemens 6ES7131-6BF01-0BA0 is a digital input module for the SIMATIC ET 200SP distributed I/O system, designated DI 8x24 VDC ST. It provides 8 PNP (P-reading, sink input) digital inputs at 24V DC conforming to IEC 61131 type 3, with parameterizable input delay from 0.05 to 20ms and module-level diagnostics for wire break, short-circuit, and supply voltage.

Technical specifications:

• MLFB: 6ES7131-6BF01-0BA0
• Manufacturer: Siemens
• Product line: SIMATIC ET 200SP
• Product type designation: DI 8x24 VDC ST
• Number of digital inputs: 8
• Rated input voltage: 24V DC (range: 19.2V to 28.8V)
• Signal "0" voltage: -30 to +5V; signal "1" voltage: +11 to +30V
• Input current at signal "1": 2.5mA typ.
• Input type: PNP (sink input, P-reading), IEC 61131 type 3
• Input delay (parameterizable): 0.05 / 0.1 / 0.4 / 0.8 / 1.6 / 3.2 / 12.8 / 20ms
• Encoder supply: 24V, max. 700mA per module; short-circuit protected
• Current consumption: max. 50mA
• Power loss: 1W typ.
• Cable length: shielded max. 1000m, unshielded max. 600m
• Compatible base unit: BU type A0; color code CC01
• Address space: 1 byte inputs + 1 byte QI information
• Isolation test voltage: 707V DC (type test)
• Operating temperature: -30°C to 60°C (horizontal), -30°C to 50°C (vertical)
• Max. installation altitude: 5000m
• Dimensions (WxHxD): 15 x 73 x 58mm
• Weight: approx. 28g

Features and benefits:

• Parameterizable input delay across 8 steps (0.05 to 20ms) for flexible sensor adaptation
• Module diagnostics for wire break, short-circuit of encoder supply, and supply voltage monitoring
• I&M0 to I&M3 support for module identification and asset management
• Automatic mechanical encoding (type A) prevents incorrect module installation
• Supports 2-wire sensors with permissible quiescent current up to 1.5mA
• Compatible with PROFINET R1 IMs for redundant network configurations

Applications:

• Distributed digital input acquisition in ET 200SP I/O stations for machine automation
• Connecting PNP proximity sensors, pushbuttons, and limit switches in production lines
• PROFINET-based control systems engineered via STEP 7 TIA Portal (from V14) or STEP 7 (from V5.5 SP3)
• Process automation with PCS 7 (from V8.1 SP1) or PCS neo (from V3.1)

Compliant with IEC 61131 type 3 input characteristics. Part of the Siemens SIMATIC ET 200SP range.

Also known as: Siemens 6ES7131-6BF01-0BA0, 6ES71316BF010BA0, SIMATIC ET 200SP DI 8x24VDC ST.