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Help CenterABB 500SCM01 1MRE450004R1 Communication Coupler Module
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ABB 500SCM01 (1MRE450004R1) is a communication coupler module for PLCs, primarily designed for system-level communication interconnection and signal coupling. It enables cross-level data exchange between PLCs, field devices and upper-level systems, and is suitable for distributed control and network integration scenarios in industrial automation. Featuring plug-and-play functionality, industrial-grade anti-interference performance and a long service life, it is fully compatible with AC500 series CPU and I/O modules, and widely applied in fields requiring reliable communication expansion such as process control, discrete manufacturing and infrastructure.
I. Positioning and Value
As the core of communication expansion for AC500 PLCs, this module fills the adaptation gap of native interfaces and protocols, supports high-speed data links between the process layer and station control layer, reduces protocol conversion steps, shortens commissioning cycles and lowers the complexity of spare parts. Meanwhile, it is equipped with signal isolation and conditioning capabilities to improve communication reliability in industrial strong electromagnetic environments, providing communication guarantee for the stable operation of the system.
II. Technical Parameters
1. Communication and Interface Parameters
| Parameter Item | Specification Details |
|---|---|
| Core Function | Communication coupling + signal isolation; connects PLCs with field buses/industrial Ethernet to realize cross-device data interaction |
| Supported Protocols | Modbus TCP/IP, EtherNet/IP, Profibus DP, adaptable to mainstream industrial network topologies |
| Interface Types | Ethernet (RJ45) + serial ports (RS232/485) + backplane bus, supporting USB local debugging |
| Transmission Performance | High-speed data transmission with low minimum response time; supports master/slave mode switching; signal accuracy ＜ 0.1% of full scale |
| Electrical Isolation | Electrical isolation between signal and power circuits; anti-EMI/RFI, compliant with IEC 61000-4 anti-interference standards |
2. Power Supply and Physical Parameters
| Parameter Item | Specification Details |
|---|---|
| Operating Voltage | 24V DC redundant power supply, compliant with AC500 system control circuit standards |
| Power Consumption | Approximately 15W, low-power design to reduce the overall power consumption of the system |
| Dimensions | Standard AC500 module size (approx. 100×200×50mm), rack-mountable |
| Weight | Approximately 1.5kg, suitable for high-density cabinet layout |
| Mounting Method | DIN rail/bolt fixation, supporting hot swap (subject to system configuration) |
3. Environmental and Reliability Parameters
| Parameter Item | Specification Details |
|---|---|
| Operating Temperature | 0℃～60℃ (wide-temperature version optional: -25℃～+60℃) |
| Storage Temperature | -40℃～+85℃ |
| Protection Grade | IP20 (for cabinet installation), dust and moisture proof, compliant with industrial environment standards |
| Anti-interference Performance | Compliant with IEC 61000-4-2/4/5, resistant to electrostatic discharge, surges and electrical fast transient bursts |
| Mean Time Between Failures (MTBF) | ＞100,000 hours, suitable for long-term industrial operation requirements |
III. Features and Advantages
Seamless Compatibility with AC500 Ecosystem: Custom-designed for the AC500 series, it requires no additional adaptive components and supports plug-and-play, shortening the project integration cycle.
Flexible Adaptation to Multiple Protocols: Natively supports mainstream industrial protocols and is compatible with mixed networking of new and old devices, reducing system upgrade costs.
Electrical Isolation and Anti-interference: Isolation between signal and power circuits with transmission via optical fiber/shielded cables to avoid EMI/RFI interference and ensure stable communication.
Modular Design for Easy Operation and Maintenance: Standard interfaces and DIN rail mounting enable on-site replacement only by connecting bus and communication cables; faults can be quickly located with ABB diagnostic tools.
High-reliability Design: Selected industrial-grade components with redundant power supply support, adaptable to harsh industrial environments such as high temperature and dust.
IV. Application Fields
Manufacturing Industry: Realizes communication interconnection between PLCs and robots, AGVs, HMIs in automobile/electronic assembly lines to achieve collaborative production line control.
Process Industry: Enables data acquisition and command issuance between distributed I/Os and upper-level SCADA systems in petrochemical, water treatment and cement production lines.
Infrastructure: Establishes communication links between remote terminal units (RTUs) and control centers in urban rail transit and smart power grids to ensure data real-time performance.
Logistics and Warehousing: Realizes networking between PLCs and stackers, conveyors, WMS systems in automated stereoscopic warehouses to optimize inventory management and logistics efficiency.
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