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ET200SP Digital Input Module
6ES7131-6BH01-0BA0 is a 16-channel 24V DC standard digital input module for the SIEMENS SIMATIC ET200SP distributed I/O system. As a basic digital input module in the SIMATIC ET200SP series, it is used to acquire digital signals from industrial sites (such as switches, sensor statuses, usw.) and transmit them to the PLC control system.
| Parameter | Einzelheiten |
| Modell | 6ES7131-6BH01-0BA0 |
| Product Name | SIMATIC ET 200SP, Digital input module, DI 16x 24V DC Standard |
| Input Type | Sink input, PNP, P-reading, konform mit IEC 61131-2 Typ 3 |
| Suitable Base Unit | BU-type A0, Color Code CC00 |
| Packaging Unit | 1 piece |
| Ersatzmodell | Replaces the older version 6ES7131-6BH00-0BA0 |
Technische Spezifikationen
Elektrische Eigenschaften
| Merkmal | Wert |
| Number of Input Channels | 16 independent channels, divided into 2 groups (8 channels per group) |
| Rated Input Voltage | 24In DC (19.2V ~ 30V DC) |
| Input Current | Typical 4mA per channel, max. 5mA |
| Switching Threshold | High level (AN): ≥15V DC, Low level (AUS): ≤5V DC |
| Input Delay Time | Adjustable from 0.05ms to 20ms (via parameter configuration) |
| Isolation | Galvanic isolation between channel groups, and between channels and backplane bus |
| Surge Protection | Overvoltage and surge protection |
| Kurzschlussschutz | Short-circuit protection per channel |
Mechanisch & Environmental Characteristics
| Merkmal | Wert |
| Abmessungen (H×B×T) | Ca. 73mm × 15mm × 58mm |
| Gewicht | Ca. 0.07kg |
| Montage | DIN rail mounting, suitable for SIMATIC ET200SP base units |
| Schutzklasse | IP20 (IN 60529) |
| Betriebstemperatur | Horizontal: -30°C ~ +60°C; Vertical: 0°C ~ +50°C |
| Lagertemperatur | -40°C ~ +85°C |
| Relative Luftfeuchtigkeit | 5% ~ 95% (nicht kondensierend) |
| Vibration/Shock Resistance | Konform mit IEC 60068-2-6 und IEC 60068-2-27 |
| EMC | Compliant with EN 61000-6-2 (immunity) and EN 61000-6-4 (emission) for industrial environments |
- Flexible Input Delay Setting: Supports adjustable input delay from 0.05ms to 20ms to suit applications with different response speed requirements.
- Comprehensive Diagnostics:
Channel-level diagnostics (wire break, short-circuit detection)
Module-level diagnostics (power fault, internal error)
Statusanzeige: green LED per channel (ON/OFF status), plus red/green status LEDs on top of the module
- Hot-Swappable: Supports module replacement during system operation (with ET200SP base unit), Ausfallzeiten reduzieren.
- Channel Grouping: 16 channels divided into 2 groups of 8, with independent parameter configuration.
- Fast Response: Minimum input delay of only 0.05ms, suitable for high-speed signal acquisition.
- Hohe Zuverlässigkeit: Industrial-grade design with overvoltage, short-circuit protection and anti-interference capability for harsh industrial environments.
Installation & Verdrahtung
- Installationsschritte:
Snap the module onto the SIMATIC ET200SP base unit (BU-type A0).
Ensure the module is fully engaged and has good contact with the base unit.
Connect power and signal cables.
- Verkabelungsmethode:
Stromversorgung: System power (24In DC) provided via the base unit.
Signal connection: Each terminal connects to an external digital signal source (z.B., Endschalter, photoelectric sensor).
Gemeinsames Terminal: Each group (8 Kanäle) shares one common terminal (COM).
Anwendungen
This module is widely used in various industrial automation fields, mainly for:
- Manufacturing Automation:
Assembly lines: Acquisition of station in-position, fixture closed, safety door status signals.
Conveying systems: Detection of material position, jam switches or sorting trigger signals.
Verpackungsmaschinen: Monitoring of sealing completion, product presence, counting pulses and other logic inputs.
- Prozesskontrolle:
Water treatment equipment: Reading of level switches, pump running status, valve limit signals.
Power switch cabinets: Status monitoring (circuit breaker position, cabinet door status, usw.).
HVAC-Systeme: Monitoring fan/pump start/stop status and valve position feedback.
- Other Applications:
Intelligent warehousing: Acquisition of shelf positioning, stacker travel switch and other digital feedback.
Building automation: Security systems, access control status monitoring.
Energie & infrastructure: Status monitoring and logic control.
Diagnostics & Wartung
- LED Status Indication:
Green LED per channel: ON = input active, OFF = input inactive.
Top module LEDs: Green = normal operation, Red = fault or error.
- Diagnosefunktionen:
Channel-level: Wire break, Kurzschluss, overvoltage detection.
Module-level: Power fault, internal error, communication fault.
Diagnostic data can be read via PLC programming for fast troubleshooting.
- Wartungsempfehlungen:
Regularly check for loose connections.
Keep the module clean to avoid dust buildup affecting heat dissipation.
Hot-swappable for replacement without shutdown (system configuration dependent).
Bestellung & Replacement Information
Original Order No.: 6ES7131-6BH01-0BA0
Empfohlenes Zubehör:
Base unit: BU-type A0 (z.B., 6ES7193-6BP00-0DA0)
Terminal modules: Selected based on wiring requirements
Replacement Note: This model replaces the older 6ES7131-6BH00-0BA0, with full functional compatibility and improved performance.
6ES7131-6BH01-0BA0 = ET200SP 16-channel 24V DC digital input module, mainly used to acquire various on-site switching signals. It has a very wide range of applications, focusing on automated production lines, equipment control, logistics & warehousing, process control and other fields.
- Manufacturing Production Lines
Machine tools & machining centers: travel switches, limit switches, home sensors, E-stop buttons, safety door signals
Assembly lines: workpiece in-position, fixture clamp/unclamp, cylinder stroke in-position, pallet positioning signals
Welding / coating lines: spray gun position, protective door status, conveyor chain start/stop, counting sensors
- Verpackung & Food Machinery
Packaging machines: box sealing in-position, film roll detection, pusher in-position, counting pulses
Food production lines: material presence on conveyors, bottle/can in-position, safety interlock switch signals
III. Logistics & Warehousing Automation
AS/RS & AGVs: stacker limits, fork in-position, shelf occupancy detection
Sorting lines: scan trigger, sorting in-position, blocker status, belt running signals
- Wasseraufbereitung, HVAC & Utilities
Pump / fan control cabinets: run feedback, fault alarms, manual/automatic switch, level switches
Valve control: pneumatic/electric valve open/closed in-position signals
Wastewater treatment: grille, sedimentation tank level switches, pump running status
- Leistung, Distribution & Buildings
LV/HV switchgear: circuit breaker position, energy storage complete, switching status, cabinet door switches
Building automation: fan status, fire damper position, security access, fire alarm inputs
- Engineering Machinery & Custom Equipment
Hydraulic / pneumatic systems: pressure switches, solenoid valve feedback, cylinder stroke limits
Test benches & test equipment: sensor triggers, start/stop buttons, safety interlocks
VII. Typical Connected Signal Types
Pushbuttons, knobs, selector switches
Proximity sensors, photoelectric sensors, fiber optic sensors
Limit switches, travel switches, cam switches
Safety door locks, emergency stops, safety light curtain signals
Dry contact signals for equipment run/fault status
Any 24V switching signal on-site that needs to be connected to a PLC for logic judgment can basically be acquired by this module.
Complete Model List of SIEMENS SIMATIC ET200SP Digital Input Modules
Below is a categorized list of all mainstream ET200SP digital input modules, with order numbers, key parameters and applications for quick selection and procurement.
- Module Type Description
| Geben Sie den Code ein | Vollständiger Name | Hauptmerkmale | Anwendungen |
| BA | Basic | Core functions, simple design, cost-optimized | Simple signal acquisition, no special diagnostic requirements |
| ST | Standard | Full standard functions, module-level diagnostics | Most industrial automation applications |
| HF | High Feature | Channel-level diagnostics, flexible parameter settings | High reliability requirements, precise fault location |
| HS | High Speed | Microsecond response, supports oversampling | High-speed signal acquisition, fast counting applications |
| F-DI | Fail-Safe | SIL 2/3 certified, safety functions | Safety-related control systems |
| NAMUR | Intrinsically Safe | NAMUR-compliant, for hazardous areas | Process industry, with intrinsically safe sensors |
| Wechselstrom | AC Input | For AC 120V/230V signals | AC signal sources, z.B., traditional relay contacts |
- DC 24V Digital Input Modules (Mainstream Applications)
- Grundtyp (BA)
| Bestell-Nr. | Module Name | Kanäle | Input Type | Hauptmerkmale | Suitable Base |
| 6ES7131-6BF01-0AA0 | DI 8x 24V DC BA | 8 | Sink (PNP) | Basic input, no diagnostics | BU-type A0 (CC00) |
| 6ES7131-6BH01-0AA0 | DI 16x 24V DC BA | 16 | Sink (PNP) | Basic input, no diagnostics | BU-type A0 (CC00) |
| 6ES7131-6BF61-0AA0 | DI 8x 24V DC SRC BA | 8 | Source (NPN) | Basic input, source type | BU-type A0 (CC00) |
| 6ES7131-6BH60-0AA0 | DI 16x 24V DC SRC BA | 16 | Source (NPN) | Basic input, source type | BU-type A0 (CC00) |
- Standardtyp (ST)
| Bestell-Nr. | Module Name | Kanäle | Input Type | Hauptmerkmale | Suitable Base |
| 6ES7131-6BF01-0BA0 | DI 8x 24V DC ST | 8 | Sink (PNP) | Module diagnostics (wire break/short), 0.05–20ms delay | BU-type A0 (CC01) |
| 6ES7131-6BH01-0BA0 | DI 16x 24V DC ST | 16 | Sink (PNP) | 2 groups (8 ch/group), module diagnostics | BU-type A0 (CC00) |
| 6ES7131-6BF01-2BA0 | DI 8x 24V DC ST (pack of 10) | 8 | Sink (PNP) | Bulk pack, otherwise standard | BU-type A0 (CC01) |
| 6ES7131-6BH01-2BA0 | DI 16x 24V DC ST (pack of 10) | 16 | Sink (PNP) | Bulk pack, otherwise standard | BU-type A0 (CC00) |
| 6ES7131-6BF61-0BA0 | DI 8x 24V DC SRC ST | 8 | Source (NPN) | Source input, module diagnostics | BU-type A0 (CC01) |
- High Feature Type (HF)
| Bestell-Nr. | Module Name | Kanäle | Input Type | Hauptmerkmale | Suitable Base |
| 6ES7131-6BF00-0CA0 | DI 8x 24V DC HF | 8 | Sink (PNP) | Channel diagnostics, 0.05–20ms delay | BU-type A0 (CC01) |
| 6ES7131-6BH00-0CA0 | DI 16x 24V DC HF | 16 | Sink (PNP) | 2 groups, channel diagnostics, Kurzschlussschutz | BU-type A0 (CC00) |
| 6ES7131-6BF60-0CA0 | DI 8x 24V DC SRC HF | 8 | Source (NPN) | Channel diagnostics, source input | BU-type A0 (CC01) |
| 6ES7131-6BH60-0CA0 | DI 16x 24V DC SRC HF | 16 | Source (NPN) | 2 groups, channel diagnostics, source input | BU-type A0 (CC00) |
| 6ES7131-6CF00-0CA0 | DI 8x 24V DC HF (PNP/NPN switchable) | 8 | Switchable | Software-configurable input type, channel diagnostics | BU-type A0 (CC01) |
- High Speed Type (HS)
| Bestell-Nr. | Module Name | Kanäle | Input Type | Hauptmerkmale | Suitable Base |
| 6ES7131-6BH01-0HA0 | DI 8x 24V DC HS | 8 | Sink (PNP) | Min. delay 0.05ms, supports oversampling | BU-type A0 (CC01) |
| 6ES7131-6BH01-0JA0 | DI 16x 24V DC HS | 16 | Sink (PNP) | Min. delay 0.1ms, 2 groups, oversampling | BU-type A0 (CC00) |
III. Special Digital Input Modules
- Fail-Safe Type (F-DI)
| Bestell-Nr. | Module Name | Kanäle | Safety Level | Hauptmerkmale | Suitable Base |
| 6ES7136-6BA01-0CA0 | F-DI 8x 24V DC HF | 8 | SIL 2/3 | Dual-channel redundancy, fail-safe diagnostics | BU-type A0 (CC01) |
| 6ES7136-6CA01-0CA0 | F-DI 16x 24V DC HF | 16 | SIL 2/3 | Grouped redundancy, safe communication | BU-type A0 (CC00) |
| 6DL1136-6BA00-0PH1 | F-DI 16x 24V DC HA | 16 | SIL 2/3 | High availability, for ET200SP HA | HA-specific base |
- NAMUR Type (Intrinsically Safe)
| Bestell-Nr. | Module Name | Kanäle | Standard | Hauptmerkmale | Anwendungen |
| 6ES7131-6TF00-0CA0 | DI 8x NAMUR HF | 8 | IEC 60947-5-6 | Channel diagnostics, intrinsically safe | Hazardous areas with NAMUR sensors |
| 6ES7131-6TF00-0DA0 | DI 8x NAMUR ST | 8 | IEC 60947-5-6 | Module diagnostics, intrinsically safe | Hazardous areas, standard diagnostics |
- AC Input Type
| Bestell-Nr. | Module Name | Kanäle | Nennspannung | Hauptmerkmale | Anwendungen |
| 6ES7131-6FD00-0BB1 | DI 4x 120/230V AC ST | 4 | 120–230V AC | Module diagnostics, overvoltage protection | AC signal sources, traditional electrical systems |
| 6ES7131-6FD00-0CA1 | DI 8x 120/230V AC HF | 8 | 120–230V AC | Channel diagnostics, wide voltage range | AC sensors, industrial power monitoring |
- Other Special Modules
| Bestell-Nr. | Module Name | Special Function | Anwendungen |
| 6ES7131-6BF01-0DA0 | DI 8x 24V DC ST (Redundant) | Power redundancy, dual supply | High-availability systems, critical equipment monitoring |
| 6ES7131-6BH01-0DA0 | DI 16x 24V DC ST (Redundant) | 2 independent power groups, redundant design | Process control, non-stop operation systems |
- Key Supplementary Information
- Base Unit Matching Rules
Most DI modules use BU-type A0 base units, Color Code CC00/CC01.
Fail-safe modules require safety-certified base units.
HA high-availability modules require dedicated HA base units.
- Input Type Explanation
| Input Type | Marking | Verkabelungsmethode | Typische Anwendung |
| Sink | Sink (PNP) | Common to negative, signal to positive | SIEMENS standard, most sensors |
| Source | Source (NPN) | Common to positive, signal to negative | Japanese equipment, specific sensors |
| Switchable | PNP/NPN | Software-configurable input type | Flexible adaptation to different signal sources |
- Replacement Model Reference
| Old Model | New Model | Replacement Note |
| 6ES7131-6BF00-0BA0 | 6ES7131-6BF01-0BA0 | Upgraded functions, enhanced diagnostics |
| 6ES7131-6BH00-0BA0 | 6ES7131-6BH01-0BA0 | Performance optimized, improved compatibility |
| 6ES7131-6BF00-0AA0 | 6ES7131-6BF01-0AA0 | Basic version update |
- Bulk Packaging Models
Some popular models are available in packs of 10, with order numbers ending in 2BA0 (z.B., 6ES7131-6BF01-2BA0), suitable for large-scale projects to reduce unit cost.
- Auswahlempfehlungen
- Basic Applications: Prefer BA/ST types for balanced cost and functionality.
- Fault Diagnostics: Choose HF types for channel-level fault location and reduced downtime.
- High-Speed Signals: Must use HS types for microsecond-level response.
- Safety Systems: Mandatory use of F-DI types to meet SIL safety ratings.
- Hazardous Areas: Select NAMUR types with intrinsically safe sensors.
