The 1771-OFE1 from Allen-Bradley is a robust 4-channel analog voltage output module designed for the PLC-5 family. Engineered for precision in harsh industrial environments, it converts digital signals from the PLC into stable ±10V DC outputs, making it essential for controlling proportional valves, variable frequency drives, and other voltage-actuated devices. With a 12-bit resolution and optical isolation up to 1500V AC, this module ensures signal integrity even in high-noise settings. Its compact form factor fits seamlessly into standard 1771 I/O racks, offering easy installation and maintenance. For engineers seeking a dependable, long-life component for process control, the 1771-OFE1 stands as a proven solution for voltage-based analog output requirements.
| Specification |
Details |
| Product Type |
Analog Voltage Output Module |
| Model Number |
1771-OFE1 |
| Compatible Platform |
Allen-Bradley PLC-5 |
| Number of Output Channels |
4 (single-ended, voltage) |
| Output Voltage Range |
±10V DC (bipolar) |
| Resolution |
12 bits (1 part in 4096) |
| Accuracy at 25°C |
±0.1% of full scale |
| Output Drive Capability |
10 mA per channel (max) |
| Isolation (Channel-to-Backplane) |
1500V AC RMS (optical) |
| Power Consumption |
1.5W from 5V DC backplane |
| Backplane Current (5V) |
300 mA (typical) |
| 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 |
| Update Rate |
2 ms per channel (typical) |
| Physical Form Factor |
Single-slot, 1771 I/O module |
| Weight |
Approx. 0.45 kg (1.0 lb) |
| Certifications |
UL, CSA, CE (standard) |
| Wiring |
Removable terminal block (1771-WN or equivalent) |
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