8DI330.D90457700-1
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The 8DI330.D90457700-1 features eight digital input channels, each with a 3 mA input current and a typical input delay of 5 ms. Manufactured by B & R Automation, this model belongs to the 8DI ACOPOS Motors series and supports a rated input voltage of 24 V DC. It offers push-in terminal connections and DIN rail mounting.
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Product Description:
B & R Automation is a global top brand in manufacturing commercial motors which also includes 8DI ACOPOS 8DI330.D90457700-1 variant. This module contains eight digital input channels. The unit enables quick digital signal processing based on binary logic through its digital-only input type for processing high-speed signals. This device functions through a rated 24 V DC voltage input that matches common industrial control operating parameters and needs no secondary voltage control system.
It supports a permissible voltage range of 18 to 30 V DC, allowing tolerance for voltage fluctuations and providing protection in unstable supply conditions. Each channel draws 3 mA input current, enabling low-power operation while reducing the load on upstream components. An input delay of 5 ms typically ensures reliable debounce filtering, preventing false triggering from noisy or unstable signals. With each channel isolated from the bus, the internal signal paths remain protected against voltage surges and reduces cross-channel interference. Push-in terminals serve as the connection type as well. DIN rail mounting is used which provides standard compatibility for control cabinet integration and simplifies assembly during installation. The device can operate within –25 °C to +60 °C, which makes it ideal option for industry owners.
The 8DI330.D90457700-1 measures 12.5 x 100 x 70 mm, which fits compactly into tight industrial enclosures, maximizing cabinet space for other modules. It carries CE and UL approvals to ensure compliance with global safety and performance standards. The model also features integrated diagnostic LEDs for channel-level status indication, helping identify faults or signal presence during operation. The wiring interface uses pluggable spring terminals that lock securely and reduce wiring errors during commissioning. The unit supports up to 100,000 switching cycles per channel annually, extending service life in frequent switching applications without degradation in performance.
Frequently Asked Questions about 8DI330.D90457700-1:
Q: What type of signals can 8DI330.D90457700-1 process across its eight channels?
A: The device handles digital input signals only and it supports clean high/low logic levels in automated control loops.
Q: How does bus isolation improve the safety of 8DI330.D90457700-1?
A: Bus-to-channel isolation prevents ground loops and signal crosstalk. This feature enhances system reliability during high-speed operations.
Q: What benefit does the 5 ms input delay provide to 8DI330.D90457700-1 users?
A: The 5 ms delay filters signal bounce from mechanical switches. This ensures accurate signal readings and stable logic input.
Q: Why is the DIN rail mounting on 8DI330.D90457700-1 important for field installations?
A: DIN rail mounting simplifies module replacement and standardizes control cabinet layout. It enables quick swapping during machine downtime.
Q: How does the 3 mA input current benefit the system using 8DI330.D90457700-1?
A: Each 3 mA input draws minimal current which reduces the overall load on the PLC power supply.
