1746-IB32 ALLEN BRADLEY Redundant Power Supply Module -20...55 °C (-4...131 °F)
The 1746-IB32 is a 32-point, 24V DC sinking input module designed for the Allen-Bradley SLC 500 and 1746 Compact I/O system. It serves as a critical interface, allowing the programmable logic controller (PLC) to monitor the status of field devices such as push buttons, proximity sensors, limit switches, and selector switches. This high-density module enables efficient wiring and space-saving in control panels by providing 32 discrete input channels in a single slot. It is renowned for its reliability, simplicity, and cost-effectiveness in a wide range of industrial automation and machinery control applications.
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High-Density Design: Provides 32 discrete inputs on a single module, maximizing I/O point count per rack slot and reducing system footprint and cost per point.
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Universal Compatibility: Designed for seamless integration with all SLC 500 processors and the 1746 I/O chassis. Uses the native backplane for power and communication, requiring no special configuration.
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Diagnostic Indicators: Features LED status indicators for each input point (showing ON/OFF state) and a module-wide "OK" LED for quick visual diagnostics, simplifying installation and troubleshooting.
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Electrical Isolation: Provides optical isolation between field wiring and the controller's internal logic, protecting the sensitive PLC electronics from voltage transients and noise commonly present in industrial environments.
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Sinking Input Type: Designed to accept a "sinking" (NPN) input signal. The common terminal is connected to 24V DC, and the input point is activated when the field device connects it to 0V DC (DC common), a standard configuration for many industrial sensors.
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Removable Terminal Block (RTB): Equipped with a user-removable screw-clamp terminal block for easy wiring, installation, and module replacement without disturbing field wiring.
1746-IB32 Material & Applications
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Material: The module housing is constructed from high-strength, flame-retardant thermoplastic. The internal circuitry is built on a high-quality fiberglass PCB. Terminal blocks are made of durable, high-temperature-resistant plastic with plated metal clamps and screws. Optocouplers provide electrical isolation.
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Material Handling and Conveyor Systems
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Pump Control and Monitoring
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Discrete Manufacturing and Assembly Lines
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Any application requiring monitoring of a large number of DC control devices like sensors and switches.
1746-IB32 Key Specifications
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Allen-Bradley 1746 Compact I/O
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32 (16 points per common, grouped in two banks)
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Input Current (per point, typ.)
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Backplane Current Draw (5V)
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Backplane Current Draw (24V)
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500V AC continuous (Field to Logic)
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32 Point Status LEDs (Green), 1 Module Status LED (Green/Red)
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Removable 40-pin Screw Clamp Terminal Block
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All 1746 (SLC 500) I/O Chassis
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Frequently Asked Questions:
1. Q: Do you provide warranty for the goods?
A: Yes, we provide warranty for all the goods from us.We offer one year warranty for New items,6 months warranty for Used items.
2. Q: Could you provide technology support?
A: We're in this field many year. If there's any problem, please contact with us,we'll provide suggestion from our engineer to help you solve problem.
3. Q: Do you keep goods in stock or only trading?
A: We have large warehouse for goods and keeping lots of goods in warehouse, so we could delivery the items in short lead time.
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(Modicon,SMC,SICK,NORGREN,Siemens etc.)
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