X20SC0402
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The X20SC0402 module operates with a power supply voltage of 24 VDC, supports a nominal current of 4 amps, features internal electronic fuse protection, and has dimensions of 24 x 100 x 73 mm. Part of the X20 Fieldbus Input Output Modules series by B & R Automation, it is designed for DIN rail mounting and includes reverse polarity protection.
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Product Description:
The X20SC0402 is manufactured by B & R Automation, which is an efficient and compact module, ideal for high-performance automation systems. This module has a maximum I/O cycle time of 1 ms to allow fast processing of signals in time-critical applications.
This module itself consumes bus power of 0.4 W, so that minimal power is used when running. The I/O power supply voltage of this module is 24 VDC ± -15% to +20% to provide flexibility in a wide range of industrial power conditions. This large voltage range can tolerate voltage drops and surges without disrupting performance. For protection, the X20SC0402 has reverse polarity protection, which prevents damage to this module as a result of improper wiring. This feature also protects this module from failure resulting from faulty connections during installation or servicing. The 2 mA to 3.28 mA input current at 24 VDC enables this module to interface accurately with various sensors or switches without reducing accuracy and response reliability. The input resistance of this module is specified at a minimum of 7.33 kΩ to keep the signal recognized in good shape and power consumption low from connected devices.
For output performance, this X20SC0402 module delivers a nominal output current of 50 mA per channel, adequate for the safe transmission of signals to actuators or indicators without overloading. The leakage current of this module in the off-state is maintained below 100 µA to reduce the possibility of false actuation in the connected components. It has a fast error detection period of 100 ms, which enables the system to detect faults and respond in time. The transport temperature range between -40°C to 85°C ensures this module’s robustness during shipment and storage under extreme conditions. This module is designed to handle a maximum capacitive load of 100 nF with stable operation even in capacitive environments.
Frequently Asked Questions about X20SC0402:
Q: Why is the 500 Veff insulation voltage important in X20SC0402?
A: It prevents electrical interference between the I/O channels and the bus. This ensures safe and stable data transmission within the automation network.
Q: What role does the 100 nF capacitive load support play?
A: It allows stable output performance when connected to devices with small capacitive properties. This prevents signal distortion in sensitive circuits.
Q: How does reverse polarity protection benefit long-term reliability?
A: It eliminates damage caused by accidental wiring mistakes. This increases installation safety and reduces downtime from hardware replacement.
Q: Why does the X20SC0402 include a leakage current limit below 100 µA?
A: This helps avoid unintended activation of connected devices. It's especially useful in precision applications with low signal thresholds.
Q: How does a short-circuit current of 15 mAeff protect the module?
A: It limits excess current during fault conditions, preventing component overheating. This feature increases durability under electrical stress.
