TB511-ETH C2 1SAP111100R0270 ABB Digital input module

Description

TB511-ETH C2 1SAP111100R0270 ABB Digital input module

Product Dimensions：

Product Description

An ABB Digital Input Module is a hardware unit responsible for monitoring the status of “on/off” devices. It operates by detecting the presence or absence of a specific voltage level on its input terminals. Each module typically includes multiple independent channels equipped with optical isolation to protect the internal controller logic from high-voltage transients and electrical noise. These modules are designed for high-speed signal acquisition, ensuring that even brief changes in the state of field equipment are captured accurately and transmitted to the system bus.

Product Parameters

The technical performance of these modules is defined by their electrical and temporal characteristics:

• Rated Input Voltage: Support for standard industrial levels, such as 24V DC, 48V DC, or 110V/230V AC.
• Input Thresholds: Defined voltage levels for “Logic 0” and “Logic 1” to ensure reliable state detection.
• Input Current: The amount of current drawn per channel, designed to be compatible with standard sensors.
• Filter Time: Configurable hardware or software delay used to eliminate “chatter” or contact bounce from mechanical switches.
• Channel Density: The number of inputs per module, ranging from low-density units to high-density modules for space-constrained cabinets.
• Isolation Voltage: The dielectric strength between the field-side inputs and the backplane logic.

Product Advantages

• High Reliability: Engineered to withstand the electrical noise and harsh conditions common in industrial environments.
• Enhanced Protection: Opto-couplers provide a physical barrier that prevents field-side electrical faults from damaging the central CPU.
• Fast Response: Low-latency signal processing ensures real-time monitoring of time-sensitive machine states.
• Space Efficiency: High-density designs allow for a large number of signals to be processed in a small footprint on the DIN rail or backplane.
• Integrated Diagnostics: Many modules feature LED indicators for each channel and software diagnostics to identify wire breaks or external power failures.

Usage Considerations

• Sinking and Sourcing: It is critical to match the module’s wiring configuration (sink or source) with the type of sensor being used (PNP or NPN).
• Signal Debouncing: Correct setting of the input filter time is necessary to prevent a single physical switch closure from being counted as multiple events.
• Voltage Compatibility: The field power supply must match the module’s rated input voltage to avoid non-detection or hardware damage.
• Environmental Sealing: Modules should be housed in an enclosure that protects against conductive dust and moisture to maintain long-term signal integrity.

Product Applications

• Discrete Logic Monitoring: Capturing signals from pushbuttons, limit switches, and selector switches in manufacturing lines.
• Status Feedback: Monitoring the “open” or “closed” status of valves, motor contactors, and circuit breakers.
• Safety Monitoring: Interfacing with emergency stop buttons, light curtains, and safety door interlocks.
• Sequence Control: Detecting the position of parts or components on a conveyor system for automated assembly.
• Alarm Notification: Receiving trip signals from external protection relays or environmental sensors.

Shipping Port: Xiamen, China

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