Allen-Bradley 1794-IE12

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1794-IE12

Type

Analog input module

Application

I/O module

Used with

FLEX I/O adapters and terminal bases

Voltage, input, max overload

30 continuous, single channel

Current, input, max overload

32 mA continuous, single channel

Isolation voltage

50 (continuous), Basic Insulation Type, Type tested at 850V DC for 60 s, between field side and system, No isolation between individual channels

Input resolution

320 µV/cnt 0.641 µA/cnt

Data format

16 bits, 2’s complement

Input conversion type

Successive approximation

Input conversion rate

8.0 ms all channels

Normal mode rejection ratio

Voltage/current terminal: -3 dB @ 0.05 Hz; -20 dB/decade -52 dB @ 50 Hz -54 dB @ 60 Hz, Voltage/current terminal with Quick Step: -3 dB @ 1.5 Hz; -20 dB/decade -29 dB @ 50 Hz -31 dB @ 60 Hz

Step response to 63% of FS, input

Current or voltage input: 1.3 s (0.09 s with Quick Step)

Calibration

None required

Dimensions (HxWxD), approx

46 x 94 x 54 mm (1.8 x 3.7 x 2.1 in.) 94 x 94 x 69 mm (3.7 x 3.7 x 2.7 in.) installed

Weight, approx.

97 g (3.4 oz.)

Resolution

16 bit unipolar 15 bit + bipolar

Accuracy

Current input: 0.1% Full Scale @ 25 °C (77 °F), Voltage input: 0.1% Full Scale @ 25 °C (77 °F)

Temperature, operating

-20…+60 °C (-4…+140 °F)

Technical documents (1)

• Rockwell Automation FLEX I/O selection guide 1794-SG002

Key features

• 12 single-ended analog inputs per module
• Voltage and current input accuracy of 0.1% full scale at 25 °C
• Input conversion rate of 8.0 ms for all channels
• No calibration required
• Operating temperature range of -20 to +60 °C

About the Allen-Bradley 1794-IE12

The 1794-IE12 is a FLEX I/O 12 point analog input module with 12 single-ended inputs (selection guide 1794-SG002). Data is 16 bits, 2's complement, with successive approximation conversion at 8.0 ms for all channels. Accuracy is 0.1% full scale at 25 °C for current and voltage, and it works from -20 to +60 °C.

What is the 1794-IE12 used for?

It reads 12 analog signals from transmitters into a FLEX I/O node. The field side is isolated from the system, with no isolation between channels, and it needs no calibration.

Lifecycle and successor

Active Mature (Rockwell Automation lifecycle status, checked 24 October 2026).

Before you order

What to photograph or confirm so the right unit is quoted.

Read the catalog number 1794-IE12, the series letter and the firmware revision from the label. Send us a photo of the label and we confirm the match before we quote.