Allen Bradley Flex 12 Point Analog Input Module 1794-IE12


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  • Manufacturer: Allen Bradley – PLC
  • Product Type: PLC/Programmable Logic Controller
  • Part Number: 1794-IE12
  • Series: Flex I/O 1794
  • UPC: 10612598320179
SKU: 1794-IE12 Category:


The 1794-IE12 is a voltage or current measuring module from Allen-Bradley. It has a 10 volts input voltage range. The current range on this module is 0-20 milliamperes. The module has 12 dedicated single-ended inputs. Each channel may be customized separately. The out-of-range notice can be configured for each channel separately. It has a resolution of 15 bits. The power dissipation rate for this module ranges from 1.1 to 31.2 watts. The thermal dissipation rate on this drive is 4.1 BTU/hour.

  • Product Description: Flex IO High Density Analog Input Module
  • Operating Shock: 30 g
  • Vibration: 5g @ 10 to 500 Hz
  • Storage Temperature: –40…85 °C (–40…185 °F)
  • Operating Temperature: 0 to 55 C (32 to 131 F)
  • Wire Size: Determined by installed terminal base
  • Mounting: DIN Rail
  • External DC supply range: 10.0…31.2V DC (includes 5% AC ripple)
  • External DC supply, nom: 24V DC
  • Indicators: 1 green/red power/status indicator
  • Terminal base: 1794-TB3G; 1794-TB3GS
  • Absolute Accuracy: 0.1% full scale @ 25 °C
  • Resolution: 16 bit 2’s complement, left justified Voltage: 320 ?V/cnt Current: 0.641 ?A/cnt
  • Conversion Type: Successive Approximation
  • Input type: 0 to 20 mA; 4 to 20 mA; +/- 10VDC; 0 to 10 VDC
  • No. of inputs: Twelve (12) Single Ended
  • Conversion Rate: 8.0 ms all channels
  • Part Number/Catalog: No. 1794-IE12
  • Product Type: Flex I/O High-Density Analog Module
  • Inputs: 12 Single-ended
  • Resolution Voltage Current: 320 ?V/cnt
  • Input Current Terminal: 4-20mA
  • Input Voltage Terminal: +/- 10V
  • FlexBus Current: 80 mA
  • External DC Power Supply: 24V DC nom.
  • Isolation Voltage: 50V Continuous
  • Power Dissipation: 1.2W @ 31.2V DC max.
  • Thermal Dissipation: 4.1 BTU/hr. @ 31.2V DC max.

The Allen-Bradley 1794-IE12 is an analog input module. A wide range of applications is supported by digital and analog modules, as well as a number of specialized modules. The RIUP (removal and insertion under power) feature allows you to connect cables and change modules while the system is still connected to power and running. Flex I/O-XT extreme environment modules are compatible with the ControlLogix-XT severe environment system. These environment systems should be operated within a temperature range of -4 to 185 degrees Fahrenheit, or -20 to 70 degrees Celsius.

Modules with conformal coating are available. Each Input/Output module requires a terminal base for Input/Output wire connection points. Many modules include input filters that may be selected. The Inputs of the module are single-ended or differential. The module also possesses internal calibration and onboard scaling. This device also consists of RTDs, thermocouples, and HART modules.

The module 1794-IE12 has 12 inputs with a 0- to 20-milliampere input signal range. It also supports 45 milliamperes at 10.0 volts direct current (DC) and 30 milliamperes at 24 volts direct current external DC and supplies current, respectively. The module has a power dissipation of 1.1 watts at 24 volts, 1.2 watts at 31.2 volts, and 0.9 Watts at 10 volts with a 4.1 BTU/hr thermal dissipation. Being an analog input module, this device has a resolution voltage of 320 μV/cnt and a resolution current of 0.641 μA/cnt and it has a 16-bit unipolar and 15-bit bipolar resolution. The module has a successive approximation input conversion with a rate of 0.8 milliseconds and is eligible for all channels.


Additional information

Weight 0.12 kg


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