The 1794-IE8XOE4 is a high-density FLEX I/O analog combination module from Allen-Bradley, engineered for demanding process control environments where space and wiring efficiency are critical. This module integrates eight differential analog input channels and four analog output channels into a single, compact unit, reducing panel footprint and simplifying field wiring. With support for both voltage and current signals (0-10V, -10V to +10V, 0-20mA, 4-20mA), it delivers exceptional flexibility for monitoring sensors and controlling actuators. The 1794-IE8XOE4 features 16-bit resolution, typical accuracy of 0.1% of full scale, and galvanic isolation between channels for noise immunity. It is fully compatible with ControlNet and DeviceNet communication adapters, enabling distributed I/O architectures in Rockwell Automation systems. Hot-swappable design allows replacement without powering down the bus, ensuring maximum uptime in continuous process lines.
| Parameter |
Specification |
| Product Type |
FLEX I/O Analog Combination Module |
| Model |
1794-IE8XOE4 |
| Input Channels |
8 differential analog inputs |
| Output Channels |
4 single-ended analog outputs |
| Input Signal Ranges |
0-10V, -10V to +10V, 0-20mA, 4-20mA (software selectable) |
| Output Signal Ranges |
0-10V, -10V to +10V, 0-20mA, 4-20mA (software selectable) |
| Resolution |
16-bit (inputs and outputs) |
| Accuracy (Typical) |
0.1% of full scale at 25°C |
| Input Impedance |
Voltage: >1 MΩ; Current: 250 Ω (burden) |
| Output Load |
Voltage: min 2 kΩ; Current: max 500 Ω (loop) |
| Isolation |
Channel-to-bus: 1500V AC; Channel-to-channel: none (common reference) |
| Update Rate |
Inputs: 50 ms per channel; Outputs: 20 ms per channel |
| Common Mode Rejection |
>100 dB at 60 Hz |
| Power Supply (Module) |
5V DC from backplane (50 mA typical) |
| Terminal Base |
1794-TB3 (screw-type) or 1794-TB3S (spring-clamp) required |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% non-condensing |
| Dimensions (H x W x D) |
94 x 94 x 53 mm (3.7 x 3.7 x 2.1 in) |
| Weight |
Approx. 150 g (0.33 lb) |
| Communication Protocol |
ControlNet (via 1794-ACN15) or DeviceNet (via 1794-ADN) |
| Certifications |
UL, CSA, CE, ATEX (Zone 2), IECEx |
| Wiring Distance |
Up to 500 meters (1,640 ft) from adapter |
| Status Indicators |
Green LED per channel (input/output active), red for fault |
| Application |
Process control, remote monitoring, discrete manufacturing |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22