Allen-Bradley
Allen-bradley PLC-5 1771-IFMS Fast Millivolt Input Module
In stock, ready to ship
Manufacturer: Allen-Bradley
Product No.: 1771-IFMS
Product Type: Fast Millivolt Input
Product Origin: USA
Payment: T/T
Weight: 800g
Shipping port: Xiamen
Warranty: 12 months
Yes, we provide a 30-day money-back guarantee for all purchases.
Yes, all items come with a 12-month warranty from the date of shipment.
Allen-Bradley 1771-IFMS
Intrinsically Safe Fast Millivolt Input Module – PLC-5 / 1771 I/O Series
Product Description
The 1771-IFMS is an intrinsically safe fast millivolt input module from Allen-Bradley’s PLC-5 1771 I/O series. It is designed to interface low-level differential signals (0–50 mV) from field devices in hazardous environments, providing high-resolution analog input for precision monitoring.
Technical Specifications
| Series | Allen-Bradley PLC-5 / 1771 I/O |
| Model | 1771-IFMS |
| Input Type | Differential millivolt analog input |
| Number of Inputs | 8 channels |
| Input Voltage Range | 0–50 mV |
| Resolution | 12-bit binary |
| Accuracy | ±0.1% of full range @ 25°C |
| Update Rate | ~14.5 ms for 8 channels |
| Data Format | ±32,767 Binary or ±9999 BCD |
| Input Delay (AC/DC) | AC: ~24 ms ±10; DC: ~20 ms ±9 |
| Backplane Current | 750 mA |
| Mounting | 1771 I/O chassis (rack mountable) |
| Wiring Arm | 1771-WG swing arm |
| External Power Required | No |
| Certifications | Intrinsically safe rated |
Key Features
- Intrinsically safe design for hazardous environments
- High-resolution millivolt input for precision sensors
- Differential input channels reduce noise and improve accuracy
- Fast update rate suitable for dynamic signal monitoring
- Status LEDs for diagnostics and channel activity
- Compatible with 1771 remote I/O adapters and PLC-5 CPUs