S20-PWM-4-T

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The S20-PWM-4-T is a high-performance module equipped with PWM output across 4 channels and a sensing range of 0.1 m to 2.0 m. Manufactured by Bosch Rexroth Indramat as part of the S20 IndraControl Modules, it operates on 10-30 VDC and features an IP67-rated plastic housing. With a switching frequency of up to 1000 Hz, it supports M12 connections.

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Product Description:

The S20-PWM-4-T module is designed by Bosch Rexroth Indramat is engineered to effectively manage up to four hydraulic valves with pulse-width modulation (PWM) by eliminating the necessity for displacement encoders. This high-performance module provides accurate valve control for industrial applications.

The < module has four PWM outputs. Each output can support up to 2.7 A per channel, for a total maximum current of 6.4 A. The module uses 2-wire technology to provide reliable valve control in static PWM mode. It ensures safety with short-circuit protection which automatically resets after a brief interval. >>. It belongs to the S20 IndraControl Modules series. It operates at a defined output voltage of 24 V and supports a wide frequency range of 50 Hz to 5000 Hz. Specific valve settings are used to improve the performance of Bosch Rexroth valves while third-party valves can be customized using description files. The module supervises the 24 V supply voltage, notifying users of any undervoltage occurrences, and provides robust protection against short circuits and overloads. The module features automatic valve current configurations, wire break detection and adjustable PWM frequencies. The module is intended for installation within an IndraControl S20 station. It has complex diagnostic capabilities such as watchdog error management and fault codes to help with debugging.

The S20-PWM-4-T supports a variety of valve types, including proportional, directional control and pressure control valves. The PWM output has a 16-bit resolution for precise control and customizable ramp times to accommodate different valve responses. The module also includes customizable valve parameters including bias current, jump height, and sensitivity. The S20 bus facilitates communication with the module by efficiently transmitting diagnostic and process data.

Connection Type
M12 Connector
Housing Material
Plastic
Indicator
LED Status Indicator
Load Current
Max 200 mA per channel
Mounting Style
Through-hole mounting
Operating Temperature Range
-25 degrees C to +55 degrees C
Operating Voltage
10-30 VDC
Output Channels
4
Output Type
PWM (Pulse Width Modulation)
Protection Rating
IP67
Response Time
Less than 1 ms
Sensing Range
0.1 m to 2.0 m
Sensor Type
Photoelectric Sensor
Switching Frequency
Up to 1000 Hz

Frequently Asked Questions about S20-PWM-4-T:

Q: Why is short-circuit protection important in the S20-PWM-4-T module?

A: Short-circuit protection prevents damage to the module by automatically disabling outputs during faults. It ensures the long-term stability of the system in industrial environments.

Q: How does the S20-PWM-4-T handle wire break detection?

A: The module monitors current flow, detecting any discrepancy between the expected and actual values. It immediately triggers an alert to indicate a wire break, ensuring operational reliability.

Q: What types of valves can the S20-PWM-4-T module control?

A: The module can control proportional, directional control, and pressure control valves. It supports both Bosch Rexroth valves and custom third-party valves.

Q: How does the S20-PWM-4-T handle undervoltage conditions?

A: The module continuously monitors the 24 V supply voltage and alerts the user if it falls below the required threshold. This feature ensures the module operates within safe parameters.

Q: Why is the S20-PWM-4-T module designed with a frequency range of 50 Hz to 5000 Hz?

A: The wide frequency range ensures flexibility in controlling valves across different applications. It allows the module to adapt to various industrial and hydraulic system requirements.


Internal Product Review

  • ‘‘The S20-PWM-4-T module by Bosch Rexroth Indramat offers precise control for up to four hydraulic valves. It supports up to 2.7 A per channel and operates within a frequency range of 50 Hz to 5000 Hz. Its customizable features ensure optimized performance across various industrial applications.’’

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