The Allen-Bradley 1794-IF4I is a high-performance FLEX I/O analog input module engineered for precise current signal measurement in industrial automation systems. This module features four fully isolated input channels, each capable of handling 0-20 mA or 4-20 mA signals with 16-bit resolution, ensuring accurate data acquisition for process control applications. The 1794-IF4I is designed to operate in demanding environments, offering robust isolation between inputs and the backplane (1000V DC) to prevent ground loops and electrical interference. As part of the Rockwell Automation FLEX I/O platform, it supports hot-swapping and seamless integration with 1794 series backplanes and communication adapters, making it ideal for distributed control systems requiring flexibility and reliability. With diagnostic LEDs for per-channel status and module health, the 1794-IF4I minimizes troubleshooting time and enhances uptime in critical operations.
| Parameter |
Specification |
| Product Type |
Analog Input Module – FLEX I/O Series |
| Model Number |
1794-IF4I |
| Input Channels |
4 (isolated) |
| Input Signal Range |
0-20 mA or 4-20 mA (software-selectable per channel) |
| Resolution |
16 bits (including sign bit) |
| Accuracy |
±0.05% of full-scale (at 25°C) |
| Input Impedance |
250 ohms (typical) |
| Isolation Voltage |
1000V DC (input-to-backplane) |
| Update Rate |
10 ms per channel (typical) |
| Power Consumption |
5V DC: 120 mA (max); 24V DC: 50 mA (max) from backplane |
| Operating Temperature |
0°C to +60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to +85°C (-40°F to 185°F) |
| Humidity |
5% to 95% non-condensing |
| Vibration Resistance |
5 g Standard Models 10-500 Hz (operating) |
| Shock Resistance |
30 g (operating) |
| Backplane Current (5V) |
120 mA (max) |
| Backplane Current (24V) |
50 mA (max) |
| Communication |
Via FLEX I/O communication adapter (e.g., 1794-AENT, 1794-ACNR) |
| LED Indicators |
Module Status (green/red), Channel Status (per channel, green/red) |
| Dimensions (H x W x D) |
94 mm x 46 mm x 75 mm (3.7 in x 1.81 in x 2.95 in) |
| Weight |
0.12 kg (0.26 lb) |
| Certifications |
CE, UL, CSA, ATEX (Zone 2), IECEx (Zone 2) |
| Wiring |
Removable terminal block (1794-TB3 or 1794-TB3G) |
| Module Type |
Standard Models (supports all FLEX I/O backplanes) |
| Warranty |
1 year (typical, subject to distributor policy) |
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