Honeywell SC-UCMX02 (Order Number: 51307198-276)
I. Basic Product Information
Brand: Honeywell
Product Series: ControlEdge RTU2020 Remote Terminal Unit Controller
Material Number: 51307198-276
Product Positioning: Integrated on-site RTU main control unit, integrating local I/O acquisition, PID regulation, logic control, and multi-protocol communication. It is suitable for scenarios such as long-distance oil and gas pipelines, stations, water treatment, and remote unmanned monitoring of power remote sites. It can be connected to the Experion PKS DCS system.
Core Hardware Configuration
1. Processor and Storage
32-bit RISC industrial processor, main frequency 400MHz
64MB running RAM, 32MB non-volatile Flash (program data saved even when power is off)
Programming standard: IEC 61131-3 (Ladder Diagram, Function Block, Structured Text, etc.), equipped with RTU Builder configuration software
The single controller can expand up to 256 points of I/O, supporting local + remote I/O expansion
2. Built-in Local I/O Channels
8 analog input channels (AI): 4-20mA/0-10V, built-in HART protocol, can directly read parameters of intelligent transmitters and fault diagnosis data
4 analog output channels (AO): 4-20mA, drive regulating valves, variable frequency equipment
8 digital input channels (24VDC dry contact compatible), 4 digital output channels
Up to 8 independent PID closed-loop regulation, minimum control cycle 10ms
3. Communication Interfaces (4 RJ45 network ports on the panel)
Dual redundant Ethernet: supports Modbus TCP, OPC UA, IEEE1588 clock synchronization, uplink to central control SCADA/DCS
Two expansion network ports: can connect remote I/O, third-party instruments, RTU networking
Optional RS485 serial port: supports Modbus RTU, DNP3.0 power protocol, widely used in oil and gas, power industries for remote data acquisition
4. Electrical and Environmental Parameters
Power supply: DC 24V, typical power consumption 1.8W, supports low-power solar-powered outdoor power supply
Operating temperature: -40℃ to +75℃, wide temperature industrial grade, suitable for extreme cold and high-temperature industrial conditions
Protection level: IP20, standard 35mm DIN rail installation
Support 1:1 controller redundancy configuration, faultless switching within milliseconds
Core Functional Features
Integrated Design
No need for additional I/O base, built-in multiple AI/AO/DI/DO channels. Small field stations can directly collect and control locally, significantly saving cabinet space and wiring costs.
Native HART Transmission
No need to add HART acquisition card, directly parse intelligent instrument ranges, fault, temperature, etc. asset management data, support remote instrument calibration.
Multi-protocol Compatibility
Support both industrial standard Modbus and power industry DNP3 protocols, can be connected to chemical DCS or power dispatching systems.
Full Dimension Fault Self-Diagnosis
Real-time monitoring of CPU, memory, power supply, I/O channels, communication links faults, local indicator lights alarm + remote event upload, supports historical fault record traceability.
Offline Cache Point Continuation Transmission
When network is interrupted, local cache process data, after communication recovery, automatically retransmits historical data to avoid data loss in unmanned sites.
Typical Application Scenarios
Remote monitoring of long-distance oil and gas pipelines, gas filling stations, oilfield gathering stations
Unattended control systems for sewage treatment, pump stations, water gateways
Remote data acquisition for power photovoltaics, substations
Remote closed-loop control for mines and remote chemical plants + Centralized control from the main control room
Differentiation of the same series and similar models
SC-UCMX02 (51307198-276): Standard RTU controller with local integrated I/O
SC-UCNN11: Pure communication gateway controller without local I/O, requires external expansion I/O module
SC-UMIX01: Expansion I/O base module, used for point capacity expansion
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