Overview
The Honeywell RC-SCONTRL Remote Terminal Unit supports reliable field data acquisition and control in demanding industrial environments. It runs an embedded Linux operating system that ensures strong performance for remote automation tasks. Moreover, its high-capacity memory and advanced datalogging allow engineers to manage complex communication, trending, and event-tracking functions. Therefore, the unit delivers long-term stability for SCADA, telemetry, and distributed control applications.
Specification
| Parameter | Value |
|---|---|
| Operating System | Embedded Linux |
| Unique Station Addresses (Modbus) | 247 |
| Dynamic Memory (RAM) | 64 MB (32-bit, 0 wait states) |
| Program Memory (Flash) | 128 MB |
| Datalogging Memory | 2 MB (battery-backed, rechargeable lithium) |
| Battery Backup Time / Life | 1 year / 10+ years |
| Real-Time Clock Resolution | 10 ms |
| Real-Time Clock Accuracy | ±15 seconds per month |
| I/O Expansion Support | RC500 Ethernet I/O-1, Ethernet I/O-2 |
| Datalogging Support | Yes – RC500 Datalog |
| Datalogging Modes | Trending, alarm logging, SOE, event-initiated, client transfers |
| IEC 61131 Programming | Yes – ISaGRAF |
| Programming Languages | Ladder, function chart, function block, IL, structured text, flow chart |
| Concurrent Programs | Up to 4 |
| Minimum Cycle Time | 10 ms (user-settable) |
| Communication Modes | Master, slave, peer-to-peer, report-on-exception |
| Supported Media | Ethernet, telemetry, dial-up, leased line, radio, wireless, fiber, short haul |
| Backup RS485 | Yes |
| Runtime Diagnostics | CPU auto-reset, LED error codes, timeout control, force-off/freeze |
| Redundant RTU Support | Yes (application-controlled) |
| Redundant Ethernet Links | Yes – dual MAC & IP |
| Redundant I/O Modules | Supported |
| Redundant Power Inputs | Yes |
FAQ
Q1: What operating system does the RC-SCONTRL use?
A1: It runs an embedded Linux OS designed for industrial automation tasks.
Q2: How much memory is available for applications and logging?
A2: It includes 64 MB RAM, 128 MB Flash, and 2 MB of battery-backed datalogging memory.
Q3: Does the unit support IEC 61131 programming?
A3: Yes, ISaGRAF enables multiple IEC 61131 languages.
Q4: What communication interfaces are included?
A4: The unit provides 5 Ethernet ports, 2 RS-232 ports, and 1 RS-485 port.
Q5: Can it operate in redundant configurations?
A5: Yes, it supports redundant Ethernet links, redundant RTUs, and redundant power inputs.
Q6: What datalogging features are supported?
A6: It supports trending, alarm logs, sequence-of-events, and event-initiated logs.
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