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The 1794-IV32 is a 24V DC high-density sourcing digital input module. It is primarily used to detect switching signals in industrial environments and transmit these signals to a PLC controller.
Sourcing Input Design
Flexible Modular Structure
Real-Time Status Monitoring
The Allen-Bradley FLEX I/O system offers a flexible, modular, and cost-effective solution for your industrial automation and control. Its space-saving design delivers rack-based I/O functionality for up to eight modules per assembly, covering a comprehensive range of Digital, Analogue, HART Analogue, and Specialty I/O with 4 to 32 points per module.A key advantage is its decoupled architecture, which separates field wiring from the logic module via various Terminal Base options, allowing for module replacement without disturbing existing wiring. Furthermore, the system supports RIUP, significantly enhancing system uptime and maintenance efficiency. With broad compatibility across major industrial networks including EtherNet/IP, ControlNet, and DeviceNet, FLEX I/O seamlessly integrates into applications ranging from simple machine control to complex distributed process environments, helping you reduce installation costs while maximizing overall system versatility.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Allen Bradley 1794-IV32 Digital Input Module Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Food Processing & Sterilization
Collects safety door locking limits for retorts, container/bottle counting pulses on conveyors, and valve position feedback from Clean-In-Place (CIP) systems.
Automotive Welding & Assembly
Detailed monitoring of sensing for welding fixture position, locking, and unclamping, while collecting start button and safety light curtain signals from multiple manual operator stations.
Water Treatment & Water Reuse
Receives operational limits for bar screens, multiple high/low pool level float switch signals, and overheat protection contacts for multiple pump motors.
Printing & Converting
Monitors high-speed color mark detection signals, full-roll sensors in the rewinding section, and web tension limit switches in the unwinding section.
Cement & Building Materials Production
Monitors numerous lubricant level switches, bearing temperature limit switches, and conveyor limit feedbacks in raw meal mill and rotary kiln systems.
When using the 1794-IV32, prioritize its sourcing input characteristics by ensuring sensors are sinking (NPN) output to match the current flow. Given its 32-point high-density design, it must be used with 1794-TB32 terminal bases, and proper ventilation within the enclosure is critical to prevent heat accumulation. While the module supports Removal and Insertion Under Power (RIUP), always ensure it is securely locked onto the base. Additionally, maintain a stable external 24V DC power supply to guarantee sufficient drive current for all input channels at logic-high levels (minimum 10V DC).
It is a Digital Input Module in the Allen-Bradley FLEX I/O series. It is specifically designed to receive 24V DC switching signals from field devices (like pushbuttons and sensors) and transmit them to the PLC.
How to use products like 1794-IV32?
You need to install it onto a compatible Terminal Base (e.g., 1794-TB32), then connect it to the PLC host via a Network Adapter (e.g., Ethernet adapter) and configure the address in the software.
What is the operating voltage range of 1794-IV32?
The nominal voltage is 24V DC. The actual allowable operating range is typically between 10V DC and 31.2V DC.
What is the purpose of the LED indicators on 1794-IV32?
The yellow LEDs on the panel are used to display the ON/OFF status of the 32 channels. A lit LED indicates a signal input (ON), while an unlit LED indicates no signal (OFF).
How does 1794-IV32 reduce maintenance costs?
Through its modular design, when a module fails, only the unit itself needs to be swapped out without removing the existing wiring, greatly reducing repair time.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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