Description
4-Channel Analog Input Module
The IC694ALG221 by Emerson Automation (ex-GE) captures 4 analog signals with 0.1% precision. Built for industrial monitoring and control systems.
Key Features
- ✅ 4 Inputs (0-20mA / 4-20mA)
- ✅ Ultra-Fast: 2ms update per channel
- ✅ High Accuracy: ±0.1% error
- ✅ Factory-Calibrated – ready to use
- ✅ 12-month warranty
Technical Specs
- Brand: Emerson
- Model: IC694ALG221
- Resolution: 4µA (4-20mA) / 5µA (0-20mA)
- Speed: 2ms per channel
- Power: 5V (25mA) / 24V (100mA)
- Isolation: 250V AC (continuous)
- Shipping: FedEx, UPS, DHL
Setup Guide
- Power off the RX3i system.
- Install in any I/O slot.
- Connect sensors via terminal block.
Ideal For
- Pressure
- Process control systems
- Real-time monitoring
Real-World Example
A chemical plant used IC694ALG221 to monitor reactor temps, achieving 99.9% control accuracy.
FAQ
Q: Can I hot-swap this module?
No – always power off first.
Q: Max current per channel?
20mA (supports 4-20mA or 0-20mA).
Contact Support
Email: sales@ubestplc.com
WhatsApp: +86 158 8020 0923











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