Digital input module | 16 inputs | 24VDC | PNP | 6ES7131-6BH01-0BA0 Siemens

Technical specifications

Number of inputs: 16 digital (type 3, IEC 61131)

Input type: PNP (current sourcing, “sink input”)

Power supply: 24 V DC (permissible range 19.2...28.8 V)

Max. current consumption: 90 mA

Power loss: ~1.7 W

Input delay: adjustable 0.05...20 ms

Permissible cable length: up to 1000 m (shielded), up to 600 m (unshielded)

Diagnostic functions: power supply monitoring, wire break detection, group fault signaling

LED indication: power (green), channel status (green), module diagnostics (green/red)

Mounting: on base units (BU A0 type)

Isolation: between channels and bus 707 V DC

Dimensions: 15 × 73 × 58 mm

Weight: ~28 g

Operating temperature: -30…+60 °C (horizontal), -30…+50 °C (vertical)

Operating altitude: up to 5000 m above sea level

Environmental data: GWP (lifecycle total) 21 kg CO₂ eq.

Functions

Acquisition of signals from switches, sensors, push buttons, and detectors.

Adjustable input delay according to technological needs.

Integrated diagnostics – voltage monitoring, wire break detection.

LED indication enables quick state and fault identification.

Easy configuration via STEP 7 TIA Portal (from V14 version) or PCS 7.

Full compatibility with PROFINET and PROFIBUS networks.

Usage

For home user: directly too complex, but used in systems ensuring home/building automation reliability (e.g., heating, ventilation, lighting control).

For engineer: reliable solution for industrial automation projects requiring many inputs with flexible configuration.

For electrician: easy installation into ET 200SP bases, simple coding, LED diagnostics for easier commissioning and service.

For industry: applied in production lines, process automation, logistics systems, energy sector.

Pros

Compact – only 15 mm wide, saves cabinet space.

Flexible input delay setting (0.05–20 ms).

High-reliability diagnostics – wire break, voltage monitoring, fault signaling.

Compatible with modern industrial platforms (PROFINET, PROFIBUS, TIA Portal).

Wide environmental tolerance: -30 °C to +60 °C, up to 5000 m altitude.

Cons

For professional use only, too complex for home users.

Cannot be used for safety functions.

Requires base unit (BU A0) to operate.