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SKU:1794-IB16
24VDC 16 Input Module | Allen-Bradley 1794-IB16 Flex I/O System
Manufacturer: Allen-Bradley
Product No.: 1794-IB16
Product Type: DC Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 91g
Shipping port: Xiamen
Warranty: 12 months
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Product Overview
The Allen-Bradley 1794-IB16 is a high-density digital DC input module from the Flex I/O system family manufactured by Rockwell Automation. Equipped with 16 current sinking inputs operating at a nominal 24 VDC control voltage, this module converts field sensor signals into digital state data across the backplane. It draws a low FlexBus backplane current of 30 mA at 5 VDC and features a lightweight form factor weighing approximately 0.091 kg (0.20 lbs). Designed to snap directly onto 1794 terminal base units, the 1794-IB16 delivers reliable signal acquisition across distributed industrial PLC architectures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Part Number | 1794-IB16 |
| Manufacturer / Product Line | Allen-Bradley / Flex I/O |
| Number of Inputs | 16 Sinking Inputs |
| ON-State Voltage Range | 19.2 to 31.2 VDC (24 VDC Nominal) |
| ON-State Current Range | 2.0 mA Min / 8.0 mA Nom / 12.0 mA Max |
| OFF-State Limits | 5.0 VDC Max / 1.5 mA Max |
| Nominal Input Impedance | 4.6 kΩ |
| FlexBus Current Consumption | 30 mA @ 5 VDC |
| Power & Thermal Dissipation | 6.1 W Max / 20.8 BTU/hr @ 31.2 VDC |
| Operating Temperature Range | 0°C to 55°C (32°F to 131°F) |
| Vibration Resistance | 5g @ 10 to 500 Hz |
| Unit Net Weight | Approximately 0.091 kg (0.20 lbs) |
Key Hardware & Operational Features
- 16-Point Sinking Input Density: Accommodates 16 sourcing input devices (such as PNP field sensors, pushbuttons, and limit switches) in a single modular terminal footprint.
- Low FlexBus Power Draw: Consumes only 30 mA at 5 VDC from the FlexBus backplane, optimizing power available for adjacent I/O modules.
- High Vibration & Shock Tolerance: Engineered to withstand up to 5g vibration levels from 10 to 500 Hz, making it suitable for mounting on active machinery.
- Modular Base Keying: Installs into compatible 1794 terminal base units (such as 1794-TB3 or 1794-TB3S) with mechanical keying to prevent incorrect module insertion.
Installation & Field Wiring Guidelines
1. Terminal Base Mounting: Align the 1794-IB16 module keyway with the matching position on the 1794 terminal base unit, press firmly until latched onto the DIN rail assembly.
2. Field Signal Wiring: Connect sourcing input field devices to the corresponding input channel terminals (0 to 15). Connect the external 24 VDC common and power supply connections to the terminal base power strip.
3. System Grounding & Thermal Clearance: Verify protective conductor grounding through the DIN rail mount and maintain standard vertical enclosure spacing to dissipate up to 20.8 BTU/hr heat loading.
Frequently Asked Questions (FAQs)
Q1: Is the Allen-Bradley 1794-IB16 a sinking or sourcing input module?
A1: The 1794-IB16 contains current sinking inputs, meaning it connects to sourcing (PNP) field devices and sensor outputs.
Q2: What is the operating voltage range for the 1794-IB16 input channels?
A2: The module operates at a nominal voltage of 24 VDC, with an ON-state voltage range of 19.2 to 31.2 VDC and a maximum OFF-state voltage of 5.0 VDC.
Q3: How much backplane current does the 1794-IB16 draw from the FlexBus?
A3: The 1794-IB16 draws a maximum of 30 mA at 5 VDC from the FlexBus backplane.
Ytterligere spesifikasjoner
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