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X20cSC2432 B & R Automation

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Internal Product Review

The X20cSC2432 is a B & R Automation fieldbus I/O module with 2 safe digital inputs and 2 pulse outputs. Push-in terminals simplify cabinet wiring, and 2 x 1 NO relay contacts add practical switching capability for safety-oriented control schemes. IP20 protection and 100% condensing humidity tolerance make the X20cSC2432 an appealing choice for dependable machine integration.

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Product Description:

B&R Automation produces the X20cSC2432, a compact safety relay module within the X20 Fieldbus Input Output Modules series. Designed to occupy a single slot on an X20 backplane, the unit provides both safe input channels and force-guided relay outputs for shutting down actuators when a fault is detected. In an automation cell, the module bridges hard-wired safety devices such as emergency-stop buttons to a system controller over the same fieldbus that carries standard process signals, reducing wiring and enabling diagnostic feedback without compromising stop-category requirements.

The front terminal strip uses push-in terminals, allowing toolless insertion of solid or ferruled conductors onto the removable block that carries 16 pins for sensor, power, and relay wiring. Two field-driven outputs can produce test pulses; each channel sources a logic high of 24 VDC and supports up to 2 pulses per safety cycle so controllers can detect line faults. When a stop command is issued, the module uses a pair of force-guided contacts arranged as 2 × 1 NO, and the contacts can switch up to 48 VAC / 6 A or a 6 A load on a 24-volt direct-current circuit. The internal circuitry is qualified for overvoltage category II and operates behind an IP20 enclosure, matching typical cabinet conditions.

The electronics tolerate air saturated to 100% condensing humidity and continue to function at site elevations up to 2000 m without derating. Two independent safe digital inputs of Type A permit connection of dual-channel devices such as light curtains, and the input paths are monitored for short circuits and cross faults. Mechanical integrity is verified to 15 g shock and 1 g vibration, supporting installation on mobile or high-impact machinery. The module can be installed in control cabinets on stamping presses, material handlers, and other cyclic equipment.

Connection Type
Push-In Terminals
Humidity Rating
100%, Condensing
Max Elevation
2000 m
Overvoltage Category
II
Protection Rating
IP20
Pulse Output Voltage
24 VDC
Pulse Outputs
2
Relay Ac Rating
48 VAC / 6 A
Relay Contacts
2 x 1 NO
Relay Dc Rating
24 VDC / 6 A
Safe Digital Inputs
2
Safe Input Type
Type A
Shock Resistance
15 g
Terminal Block Pins
16
Vibration Resistance
1 g

Frequently Asked Questions about X20cSC2432:

Q: How many safe digital inputs are available on the X20cSC2432 module?

A: The X20cSC2432 module offers two safe digital inputs to support reliable safety integrations within your automation system.

Q: What is the specification for the pulse outputs of the X20cSC2432?

A: This model features two pulse outputs that operate at 24 VDC, making it compatible with standard logic levels.

Q: What is the voltage and current rating of the relay contacts on the X20cSC2432?

A: Relay contacts on the X20cSC2432 are rated for 48 VAC or 24 VDC at a maximum of 6 A, providing versatile switching capability for both AC and DC loads.

Q: How many terminal block pins are featured on the X20cSC2432 module and what type of connection do they use?

A: The terminal block on this unit includes 16 push-in type pins, ensuring quick and secure wiring connections.

Q: What humidity conditions can the X20cSC2432 safely operate under?

A: This module is designed for environments with 100% condensing humidity, supporting robust use in demanding applications.

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