The Allen-Bradley 1734-IM2 is a compact digital AC input module from the POINT I/O series. This module offers two non-isolated inputs for 220 Volts AC. Engineers choose this module when they need a small form factor. It monitors high-voltage AC signals in industrial environments. The module delivers reliable performance and easy integration.
Why Choose the 1734-IM2 for Your System
The 1734-IM2 solves space constraints with its slim 0.47-inch width. This module weighs only 30.9 grams, which reduces rail stress. Procurement managers appreciate its specific voltage range from 159 to 264 Volts AC. This range accommodates various global power standards. The module uses only 75 milliamps from the POINTBus backplane. This low power consumption saves energy in large systems.
The 1734-IM2 supports an operating temperature from -20 to 55 degrees Celsius. This range suits most factory floor environments. Its non-condensing humidity tolerance spans from 5 to 95 percent. The module withstands 5g vibration and 30g operational shock. These specs ensure the module survives harsh industrial conditions. Application engineers can trust this module for long-term reliability.
The keyswitch on the mounting base must rotate to position 8. This setting ensures correct module identification by the bus. The module installs on 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS bases. This flexibility allows use with various wiring terminal styles.
Installation Guide for the 1734-IM2 Module
First, mount the appropriate terminal base on a DIN rail securely. The module requires an open-type enclosure for safety. You must then rotate the module's keyswitch to position 8. This step prevents mismatched module insertion. Push the module onto the base until it latches firmly.
Second, wire the input signals using 14 to 22 AWG copper wire. The wire insulation must be rated for 75 degrees Celsius. Solid or stranded wire works well with these terminals. The external AC supply must be 220 Volts AC at 60 Hertz. You should verify the supply voltage before connecting any wires.
Third, check the status indicators for real-time diagnostics. These LEDs show the input state for each channel. This feature simplifies troubleshooting and system validation. The module has a maximum power dissipation of 0.48 Watts at 264 Volts AC. This low dissipation keeps the cabinet cool and reduces thermal stress.
Deep-Dive Technical FAQ for the 1734-IM2
What is the off-state voltage threshold for this module?
The maximum off-state voltage is 43 Volts AC. This threshold prevents false triggering from leakage currents. The off-state current must stay below 2.9 milliamps. This spec ensures clean signal detection.
How does input impedance affect sensor compatibility?
The nominal input impedance is 22.3 kiloohms. This impedance defines the current draw at a given voltage. It ensures proper loading of your field sensors. You can calculate the on-state current from this impedance. At 220 Volts AC, the nominal current is 8.5 milliamps.
What isolation voltage does the module provide?
The continuous isolation voltage is 240 Volts from field to system. This isolation protects the backplane and controller from faults. It meets safety standards for industrial AC inputs. The module handles this isolation without external components.
Logistics & Standard Packaging Details
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