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SKU:1794-IM8
Allen-Bradley 1794-IM8 | 8-Input 240V AC Flex I/O Module
Manufacturer: Allen-Bradley
Product No.: 1794-IM8
Product Type: DC Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 250g
Shipping port: Xiamen
Warranty: 12 months
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Penerangan
Product Overview
The Allen-Bradley 1794-IM8 is an 8-channel 220V AC Digital Input Module for the Flex I/O system. It accepts 240V AC nominal inputs with 13.21mA on-state current and 22.3kΩ input impedance. This compact module mounts on DIN rail or screw panel for flexible installation in industrial control systems.
Core Functionality
The 1794-IM8 provides 8 nonisolated AC input channels for sensing field devices such as switches, pushbuttons, and limit switches. It operates with a nominal on-state voltage of 240V AC and maximum off-state voltage of 40V AC. The module requires a 1794-TBN terminal base for wiring connections and communicates via the Flexbus at 30mA @ 5V DC. It supports both screw mount and DIN rail mount configurations.
Technical Specifications
| Parameter | Value |
| Part Number | 1794-IM8 |
| Series | Flex I/O |
| Module Type | 220V AC Digital Input Module |
| Inputs | 8 (nonisolated) |
| On-State Voltage (nom.) | 240V AC |
| On-State Current (max.) | 13.21 mA |
| Off-State Voltage (max.) | 40V AC |
| Off-State Current (max.) | 2.6 mA |
| Nominal Input Impedance | 22.3 kΩ |
| Nominal Input Current | 12 mA @ 240V AC |
| Isolation Voltage | 250V continuous |
| Flexbus Current | 30 mA @ 5V DC |
| Thermal Dissipation | 16.2 BTU/hr @ 264V AC max |
| Dimensions | 94 x 94 x 91 mm |
| Operating Temperature | 0°C to 55°C |
| Terminal Base | 1794-TBN |
| Mounting | DIN rail or screw mount |
| Weight | Approx. 0.25 kg (0.55 lbs) |
Installation Guide
Install the 1794-IM8 on DIN rail or screw mount using the 1794-TBN terminal base. Insert the Flexbus connector fully until seated. Connect 240V AC field wiring to the terminal base per the wiring labels. Install appropriate fuses to protect the module. Verify the Flexbus is properly connected before applying power. Approved for hazardous locations.
Engineering Advantages
This module delivers 8 AC input channels in a compact 94 x 94 x 91 mm package. The 250V continuous isolation protects the backplane from field transients. With 22.3kΩ input impedance, it minimizes load on field circuits. Hazardous location approval enables use in demanding environments. DIN rail or screw mounting provides installation flexibility.
Technical FAQs
Q1: What terminal base is required?
A1: The 1794-TBN terminal base provides wiring connections for the 1794-IM8 module.
Q2: Input voltage and current ratings?
A2: 240V AC nominal on-state. 13.21mA on-state current, 2.6mA off-state current. 22.3kΩ impedance.
Q3: Mounting and temperature range?
A3: DIN rail or screw mount. Operating temperature 0°C to 55°C. Dimensions 94 x 94 x 91 mm.
Spesifikasi Tambahan
Skalar (V/f)
Vektor
Dikuasakan oleh AC
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