M-3120
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The M-3120 module operates with a power supply of 24 V DC (±10%) and includes a robust compact aluminum housing. Designed by Beckhoff as part of the M Parallel IO Modules series, it measures 170 x 76 x 68 mm and weighs 600 grams. The module supports a 24-bit counter and 1 MHz limiting frequency.
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Product Description:
The Beckhoff M-3120 serves as a high-speed parallel I/O module from the M series, to meet the needs in industrial automation systems.
The module processes digital signals at high speed through its sophisticated counter capabilities, together with sturdy input connectivity and quick data transmission within a small, reliable structure. The 24-bit binary counter of the module operates at 1 MHz frequency and enables swift counting in rotary encoder applications and pulse counting systems, and motion detection. This module offers three decoding capabilities: squareness decoder evaluation using 1x, 2x, and 4x with adjustable configurations through the resolution selection of the connected encoder. The module has a built-in 24-bit zero-impulse latch, which improves its capability to detect and synchronize reference positions accurately. A channel of this input device requires a 24 V DC power supply with a 10 mA current Draw. The input system accepts voltage levels between 0–8 V to indicate LOW conditions, and HIGH levels exist between 15–24 V through an input delay system with an RC filter that functions at a 0.1 ms response time. Within control systems, users can control counter operations through Set, Read, and Activate commands to achieve efficient management.
The unit operates on a 24 V DC power supply (±10%), drawing a typical current of 0.1 A while disregarding encoder power usage. The module includes a direct output for external encoders or sensors with 5 V DC or 15 V DC pick-off voltage, which supports 1 A maximum current. II/O-Lightbus manages communication duty while delivering data transfer at speeds of 2.5 MBaud through its interference-blocking system. The M-3120 module finishes a 32-bit data transmission sequence within 25 microseconds to maintain high response capabilities. The device is a dependable high-frequency signal processing solution for industrial control systems since it can function in the temperature range of 0°C to +55°C and store in the range of -20°C to +70°C.
Frequently Asked Questions about M-3120:
Q: What kind of counting capabilities does the M-3120 offer?
A: The M-3120 features a 24-bit binary counter operating at 1 MHz, with selectable 1x, 2x, and 4x decoding for rotary encoders and pulse-counting systems.
Q: Does the M-3120 support zero-impulse detection?
A: Yes, the M-3120 includes a built-in 24-bit zero-impulse latch that accurately synchronizes and detects reference positions in high-speed applications.
Q: What is the data transmission speed of the M-3120?
A: Using II/O-Lightbus, the M-3120 transmits data at 2.5 MBaud and completes 32-bit word transfers in just 25 microseconds for real-time responsiveness.
Q: What are the input characteristics of the M-3120?
A: Each input operates on 24 V DC with a 10 mA draw, accepts 0–8 V as LOW and 15–24 V as HIGH, and uses a 0.1 ms RC filter delay.
Q: How is the M-3120 powered and what additional support does it offer?
A: The M-3120 operates on a 24 V DC (±10%) power supply and provides direct 5 V or 15 V pick-off voltage for encoders or sensors, supporting up to 1 A current.
