Description
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | I-8431 CR |
| Manufacturer | ICP DAS |
| Product Type | Ethernet Embedded Controller |
| CPU | Intel 80188, 10 MHz |
| Memory | 512 KB Flash, 512 KB SRAM |
| Operating System | MiniOS7 |
| Ethernet Interface | 10Base-T RJ-45 |
| Serial Ports | 1 x RS-232, 2 x RS-485 |
| I/O Slots | 4 slots (supports 8K/87K modules) |
| Operating Temperature | -25°C to +75°C |
| Power Supply | +10 to +30 VDC |
| Power Consumption | 3.5 W maximum |
| Dimensions (H x W x D) | 33 mm x 147 mm x 119 mm |
| Weight | 0.25 kg |
| Boot Time | 0.4 ~ 0.8 seconds |
Main Features and Advantages
The ICP DAS I-8431 CR distinguishes itself with MiniOS7’s featherweight architecture, booting in under a second to deliver near-instantaneous control loops that outpace traditional RTOS platforms in boot-sensitive applications like emergency shutdown relays or conveyor start-stops, where every millisecond counts toward averting production snarls. This embedded OS supports native C programming with pre-loaded libraries for Modbus and peer-to-peer protocols, allowing custom algorithms to poll 8K-series DI/DO modules at 100 Hz without buffering overflows, a feat that enhances responsiveness in high-density I/O scenarios—users report 25% faster event detection over generic DOS emulations.
Robust connectivity propels the ICP DAS I-8431 CR‘s utility, blending a dedicated Ethernet port for remote firmware updates and data tunneling with tri-port serial expansion (RS-232 for console access, dual RS-485 for daisy-chained HMI integration), enabling hybrid networks that span Modbus RTU fieldbuses and Ethernet/IP trunks without converters. Its four-slot backplane accommodates mixed I/O profiles—pairing 16-channel AI cards with quadrature encoders for precise position tracking—while built-in diagnostics scan module integrity on power-up, flagging loose connections via LED arrays to preempt field failures, slashing troubleshooting from hours to minutes in remote solar farms.
Thermal and electrical resilience further cements the ICP DAS I-8431 CR‘s competitive stature, with a wide 10-30 VDC input range and reverse polarity protection that buffers against automotive-grade transients, coupled with low 3.5 W draw for battery-extended deployments in unmanned monitoring stations. The ventilated metal chassis dissipates heat passively up to 75°C, eliminating fans in cleanroom-compatible setups, and its EEPROM safeguards configurations across 100,000+ cycles, outlasting EEPROM-fatigued rivals. For developers, the controller’s open-source SDK includes simulation tools for offline program validation, accelerating iterations and reducing bench-test costs by 30%. In aggregate, the ICP DAS I-8431 CR forges a nexus of speed, versatility, and durability, empowering lean automation strategies that yield substantial OPEX reductions through minimized hardware sprawl and maximized diagnostic foresight in distributed control ecosystems.
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