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Compact rectangular industrial I/O module, grey plastic housing with terminal blocks and status LEDs

BFKK

BFKK 1734-IE8C power adapter

SKU CH-94RC-TJPT5

8-channel POINT I/O analog current input module with 16-bit resolution, 0.1% accuracy at 25°C, 60 Ω impedance, 75 mA bus draw and 0.6 W dissipation

  • 8 single-ended current inputs for high-density monitoring
  • 16-bit resolution over 0-21 mA range for precise measurement
  • 1% full-scale accuracy at 25°C ensures reliable data
  • 120 dB common-mode rejection minimises electrical noise interference
  • 75 mA POINTBus current draw keeps power consumption low

Industrial 8-channel current input

The Allen-Bradley 1734-IE8C is a POINT I/O module that provides eight single-ended, non-isolated current inputs for process automation systems. It delivers 16-bit resolution across a 0-21 milliampere range and is designed for integration with Rockwell Automation controllers. This module suits engineers who need high-density analog monitoring in a compact DIN-rail form factor. It is not for applications requiring isolated channels or voltage input types.

Sustained-load accuracy and thermal profile

At 25 degrees Celsius the module achieves 0.1 percent full-scale absolute accuracy with a drift of 30 parts per million per degree Celsius. Maximum power dissipation is 0.6 watts at 28.8 volts DC, producing 2.0 BTU per hour of thermal load. The POINTBus current draw peaks at 75 milliamperes, and a common-mode rejection ratio of -120 decibels maintains signal integrity during continuous operation. Factory calibration eliminates the need for field adjustment.

Replaces lower-density analog modules

The 1734-IE8C upgrades from four-channel or lower-density current input modules, doubling channel count per slot while retaining the same POINT I/O footprint. The jump is worth it when cabinet space is limited and eight 4-20 milliampere loops must be monitored simultaneously. It does not suit systems that require channel-to-channel isolation or input ranges beyond the 0-21 milliampere specification.

Highlights

  • 8 single-ended current inputs for high-density monitoring
  • 16-bit resolution over 0-21 mA range for precise measurement
  • 1% full-scale accuracy at 25°C ensures reliable data
  • 120 dB common-mode rejection minimises electrical noise interference
  • 75 mA POINTBus current draw keeps power consumption low

Specifications

No published specifications for this item yet.

Questions about this item

How much heat does the 1734-IE8C produce when running continuously at 28.8 Volts DC?

Maximum thermal dissipation is 2.0 BTU per hour at 28.8 Volts DC, with power dissipation of 0.6 Watts under the same conditions.

What backplane and field power must already be present for the 1734-IE8C to operate?

The module draws up to 75 milliamperes from the POINTBus backplane and requires external 28.8 Volts DC field power for the 8 current input channels.

Will the 1734-IE8C share a POINTBus backplane with older 1734 modules without isolation conflicts?

Isolation voltage is 50 Volts, tested at 1500 Volts AC for 60 seconds between inputs, field power and system, so it can reside on the same backplane as legacy 1734 I/O.

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