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SM24V Bosch Rexroth Indramat

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The Bosch Rexroth Indramat SM24V is part of the SB System Box Units series and has DIN 19240 compliance. It offers 10 inputs, 13 outputs, and operates on a 24 V I/O interface. This unit features reverse polarity and short-circuit protection, and weighs 0.05 kilograms.

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Product Description:

The SM24V digital I/O block is manufactured by Bosch Rexroth Indramat and belongs to the SB System Box Units series. Designed for cabinet-mounted or machine-mounted control panels, this unit aggregates low-voltage inputs and outputs so that a higher-level PLC can monitor sensors and actuate relays or solenoids through a single connector. Within an industrial automation cell, it functions as the electrical boundary between field devices and controller backplanes, enabling orderly signal distribution without discrete terminal strips.

The module operates from a field supply of 24 V, aligning with the standard power rail present in most machine cabinets. Its signal type is classified as 24 V I/O, which indicates that the sourcing and sinking channels follow the same voltage reference and simplify wiring. There are 10 digital input points that sample switch or sensor status; each channel is internally debounced and isolated to maintain logic integrity. For actuation, the block provides 13 transistor outputs capable of driving panel lamps or small relays. Conformance with DIN 19240 indicates that the terminal layout and test spacing satisfy German industrial control guidelines and support consistent installation practices.

Operational safeguards are integrated directly on the printed circuit board. Built-in reverse-polarity protection prevents damage if the field supply is accidentally wired backward, while onboard current limiting provides short-circuit protection for every output line. With a mass of only 0.05 kg, the block can be clipped onto a DIN rail or embedded inside moving machine sections without adding significant load. As part of the SB System Box Units platform, it shares uniform dimensions and plug styles with related modules. This compatible format allows additional channels to be installed without rewiring the common power and communication harness.

Din Compliance
DIN 19240
I/o Voltage
24 V
Input Count
10
Interface Type
24V I/O
Output Count
13
Reverse Polarity Protection
Yes
Short-circuit Protection
Yes
Weight
0.05 kg

Frequently Asked Questions about SM24V:

Q: How many input channels are available on the SM24V unit?

A: The SM24V has 10 input channels for connecting external signals to the unit.

Q: What is the output count for the Bosch Rexroth Indramat SM24V?

A: This model provides 13 output channels for controlling external devices.

Q: What voltage interface does the SM24V use for its I/O?

A: The SM24V operates with a 24 V I/O interface, ensuring compatibility with 24 V signal systems.

Q: Does the SM24V include protection against reverse polarity?

A: Reverse polarity protection is included on the SM24V to safeguard the unit from incorrect power connections.

Q: Is short-circuit protection built into the SM24V unit?

A: Yes, the SM24V is equipped with short-circuit protection to help prevent electrical faults.


Internal Product Review

  • ‘‘The SM24V is a Bosch Rexroth Indramat system box unit with a 24 V I/O interface. Support for 10 inputs and 13 outputs gives the module strong flexibility for streamlined control integration. DIN 19240 compliance and short-circuit protection make the SM24V a dependable choice for industrial I/O applications.’’

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