X20SRT842
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The X20SRT842 module offers 4 relay outputs, a maximum switching power of 500 VA or 60 W per contact, and an operating temperature range of -25 to +60°C. Part of the X20 Fieldbus Input Output Modules series by B & R Automation, it operates on a 24 VDC power supply and provides IP20 protection.
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Product Description:
B & R Automation X20SRT842 fieldbus input/output module operates at a 24 volts DC and it has built in LED indicators that offer immediate visual feedback for each input and output channel, as well as for overall module activity and health. It ensures signal integrity in electrically noisy settings as it uses shielded cables for all I/O connections which makes it a dependable choice for high-precision and noise sensitive applications.
The X20SRT842 Module is designed to operate within a flexible power band around 24 volts of direct current and it can tolerate dips down to 20.4 V and surges up to 28.8 V without malfunctioning which ensures reliable operation in environments with slightly unstable power supplies. It supports ultra-fast signal processing through a specialized architecture that bypasses the main controller for certain tasks which enables real-time reactions within microseconds that is ideal for deterministic and time critical industrial automation systems. It is capable of operating independently, without requiring a central controller or external PLC to manage its logic which makes it highly versatile for edge level automation where modular and decentralized control is preferred. Its input and output circuits consume energy of 2.5 W which indicates the electrical burden the module places on its internal logic or I/O drivers. It incorporates both visual indicators and software level reporting to communicate its operational health and any faults which includes status updates for the entire module, as well as specific feedback on each input and output.
The X20SRT842 input output module bus power consumption is 0.4 W which is relatively low which means the module won’t overburden the bus’s power distribution. It manages processing and logic at its own level rather than relying solely on centralized control which provides autonomy and modularity within a distributed automation architecture.
Frequently Asked Questions about X20SRT842:
Q: Why does the X20SRT842 require shielded signal lines for all connections?
A: Shielded lines minimize electromagnetic interference, ensuring accurate signal transmission in electrically noisy industrial environments. This is vital for consistent I/O performance in precision systems.
Q: How does reACTION technology benefit the X20SRT842 module's performance?
A: It bypasses the main controller for specific tasks, allowing real-time responses within microseconds. This dramatically improves system reaction time in time-critical automation.
Q: What is the advantage of 800 µs I/O cycle time in the X20SRT842?
A: A fast cycle time enables rapid signal updates and real-time responsiveness. This is essential for high-speed applications like motion control or packaging.
Q: How does reverse polarity protection enhance the X20SRT842’s installation reliability?
A: It prevents damage from incorrect power wiring during setup or maintenance. This protection increases safety and reduces the risk of hardware failure.
Q: Why is standalone mode important in the B&R X20SRT842 module?
A: It allows the module to function independently without needing a PLC. This enables decentralized automation and improves system scalability.
