1734-IA4 | Allen-Bradley POINT I/O 120V AC 4-Channel Input Module

Description 

The 1734-IA4 is a discrete input module that is part of Allen-Bradley’s POINT I/O system. This module features Four (4) non-isolated, sinking input channels accepting 120 VAC voltage signals. This module is mounted to a terminal base such as 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS. It has a backplane current draw of 75 mA @ 5V DC and requires an external power supply that provides 120V AC @ 60 Hz.

Technical Specifications 

Information About 1734-IA4

The Allen-Bradley 1734-IA4 is a discrete input module from Allen-Bradley. This module is specifically part of the 1734 POINT I/O system, typically used for implementing distributed I/O applications. This module features Four (4) 120 VAC, non-isolated, sinking input channels and designed to be mounted to a terminal base. The compatible terminal bases for use with this module are 1734-TB, 1734-TBS, 1734-TOP, or 1734-TOPS wiring base assembly. The 1734-IA4 requires an external power supply to operate. It must be wired to an 85-132 VAC supply source with a frequency of 47-63 Hz while the nominal supply voltage is 120 VAC. It has an isolation voltage rating of 240V, continuous, type-tested @ 3250V DC for 60 s duration. Isolation is between the field-side to the system. The module’s minimum ON-state voltage range is 65 VAC while the maximum On-state voltage range is 132 VAC. It also has a minimum On-state current of 4.0 mA @ 65V AC at 60 Hz; maximum On-state current of 8.5 mA @ 132V AC at 60 Hz. Conversely, the module’s maximum Off-state voltage is 43 VAC, and the maximum Off-state current of 2.7 mA at 43 VAC. This module comes with built-in Module status, Network status, and I/O status indicators. Each I/O channel is provided with an individual LED that replicates the energization status of the module’s channels. An active LED IO indicates an energized input channel otherwise, the channel is de-activated. There is no exact module installation limit, the number of instances is dictated by the supported I/O capacity of the host processor.

The 1734-IA4 is a POINT I/O 120 Volts AC input module in the Allen-Bradley PLC 1734 series. The weight of this digital module is approximately 1.09 ounces. In addition, it has an open-style enclosure type rating and measures 2.21 x 0.47 x 2.97 inches in dimensions. The module’s compact design makes installation easy and makes it possible to mount it horizontally or vertically. The 1734-IA4 has Four (4) 120 Volts AC input with key switch position of Eight (8).

The 1734-IA4 works at a POINT Bus current of 75 mA at 5 Volts DC maximum. It has a power dissipation of 0.50 W at 132 Volts AC and a thermal dissipation of 1.71 BTU/hour at 132 Volts AC and a nominal input impedance of 10.6 kiloohms. The external or input AC power supply voltage of this digital module is 120 Volts AC nominal at a 60 Hertz frequency. Thus, the 1734-IA4 can be utilized at 85 to 132 Volts AC voltage and 47 to 63 Hertz frequency.

Manufacturer information

Allen‑Bradley components, integrated control and information solutions are built for demanding industrial applications. We integrate control and information across the enterprise to make you as productive as possible.

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