Excellent PLC
| Company Information | ||||||||
| sales@xmjzjsgs.com | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Product Overview
The ABB CM574-RS 1SAP170400R0001 Communication Module is a flexible serial communication expansion module for ABB’s AC500 PLC family. Designed to enable seamless integration of serial field devices into AC500 control systems, the CM574-RS is equipped with two independent serial ports, each configurable for RS-232, RS-485, or RS-422 communication modes.
Supporting a wide range of industrial communication protocols — including Modbus RTU/ASCII, free ASCII, and user-defined protocols — the CM574-RS makes it easy to link third-party equipment such as drives, barcode scanners, HMIs, meters, sensors, and legacy automation hardware to modern PLC architectures.
Its robust design, compact form factor, and electrical isolation make it ideal for industrial applications where reliability and noise immunity are critical. Engineered and supported by ABB, this module ensures long-term compatibility and stable integration into automation projects worldwide.
Product Specifications
| Parameter | Value |
|---|---|
| Model | CM574-RS (1SAP170400R0001) |
| Product Type | Serial Communication Module |
| PLC Compatibility | ABB AC500 PLC family |
| Serial Ports | 2 ports (RS-232 / RS-485 / RS-422 configurable) |
| Supported Protocols | Modbus RTU, Modbus ASCII, Free ASCII, User-defined |
| Baud Rate Range | 1,200 bps to 115.2 kbps |
| Data Bits | 7 or 8 bits |
| Stop Bits | 1 or 2 |
| Parity | None, Odd, Even |
| Galvanic Isolation | 500 V isolation between serial and control circuits |
| Diagnostics | LED indicators (TX, RX, Module Status) |
| Hot Swap | No (requires power cycle when replacing) |
| Mounting | DIN rail mounting |
| Nominal Operating Voltage | 24 VDC |
| Power Consumption | < 3 W |
| Operating Temperature Range | -25 °C to +60 °C |
| Storage Temperature Range | -40 °C to +85 °C |
| Relative Humidity (non-condensing) | 5% to 95% |
| EMC Compliance | EN 61000-6-2, EN 61000-6-4 |
| Certifications | CE, cULus |
| Dimensions (W × H × D) | 62 × 135 × 28 mm |
| Weight | 0.095 kg |
| Mean Time Between Failures (MTBF) | > 600,000 hours |
Applications
The CM574-RS 1SAP170400R0001 enables a wide range of industrial and infrastructure applications, by providing flexible serial connectivity:
-
Factory Automation
Communication with legacy operator panels, barcode readers, printers, serial-based sensors. -
Machine Automation
Integration of drives, HMI terminals, stepper controllers, and field devices. -
Process Control
Serial interface to analyzers, meters, and control instruments in oil & gas, chemicals, and utilities. -
Water & Wastewater
Linking flow meters, level meters, chemical dosing equipment to PLC control. -
Building Automation
Interfacing with HVAC controllers, energy meters, elevator control units. -
Transportation & Logistics
Communications with airport baggage handling, rail systems, conveyor controllers. -
Power Generation & Distribution
Serial connections to energy meters, protective relays, and remote IO.
Product Advantages
-
Versatile Protocol Support
Modbus RTU/ASCII, Free ASCII, and custom protocols allow flexible third-party device integration. -
Dual Independent Ports
Each serial port is independently configurable for RS-232 or RS-485/422, supporting multiple devices. -
Robust Isolation
500 V galvanic isolation helps protect system integrity in noisy industrial environments. -
Reliable Performance
Long MTBF (> 600,000 hours), stable operation in harsh environments. -
Industrial-Grade Design
Operates in wide temperature range; meets stringent EMC standards. -
Seamless PLC Integration
Fully compatible with AC500 CPUs and ABB Automation Builder software. -
Compact DIN-rail Mounting
Slim profile (45 mm wide), easy to install in space-constrained control cabinets. -
Diagnostic LEDs
Visual indicators simplify troubleshooting and maintenance. -
Proven Platform
Designed and supported by ABB, a trusted global leader in automation. -
Cost-Efficient Modernization
Ideal for extending the life of legacy serial-based devices in modern control networks.
Frequently Asked Questions (FAQ)
-
How many serial ports are available on the CM574-RS?
It provides 2 serial ports, each configurable for RS-232, RS-485, or RS-422. -
Does it support Modbus RTU and ASCII?
Yes, both Modbus RTU and ASCII protocols are supported natively. -
Can I use both ports at different baud rates?
Yes, the two ports can be configured independently. -
Is there electrical isolation between ports and PLC?
Yes, 500 V galvanic isolation is provided. -
Is it compatible with third-party serial devices?
Yes, it can communicate with virtually any serial device using supported protocols. -
Can it be hot-swapped while powered?
No, module replacement requires a PLC power cycle. -
How is the module configured?
Configuration is done through ABB Automation Builder software. -
Is it suitable for outdoor installation?
It is rated for indoor use; an enclosure is required for outdoor applications. -
What kind of diagnostics does it offer?
LED indicators provide status for transmit (TX), receive (RX), and module health. -
What is the module’s expected service life?
With MTBF over 600,000 hours, it is designed for long-term industrial use.
Related Models from the Same Series or Category
| Model | Product Type | Ports | Protocol Support | Dimensions (W×H×D) | Weight |
|---|---|---|---|---|---|
| CM574-RS 1SAP170400R0001 | Serial Communication Module | 2 | Modbus RTU/ASCII, Free ASCII | 45×100×75 mm | 0.18 kg |
| CM578-CN | CANopen Communication Module | 1 | CANopen | 45×100×75 mm | 0.18 kg |
| CM579-PNIO | PROFINET IO Module | 1 | PROFINET IO | 45×100×75 mm | 0.18 kg |
| CM577-DP | PROFIBUS DP Module | 1 | PROFIBUS DP | 45×100×75 mm | 0.18 kg |
| CM589-PDP | PROFIBUS DP Slave Module | 1 | PROFIBUS DP Slave | 45×100×75 mm | 0.18 kg |
| CM592-BDP | PROFIBUS DP Redundant Module | 1 | PROFIBUS DP (redundant) | 45×100×75 mm | 0.18 kg |
Popular Models from ABB Product Line
| Model | Product Type | Application | Dimensions (W×H×D) | Weight |
|---|---|---|---|---|
| AC500 PM583-ETH | CPU Module | AC500 PLC | 75×100×100 mm | 0.30 kg |
| AC500 PM595-ETH | High-Performance CPU | AC500 High-Performance PLC | 100×120×100 mm | 0.35 kg |
| CI581-CN | CANopen Communication | AC500 PLC | 45×100×75 mm | 0.18 kg |
| CM577-DP | PROFIBUS DP Communication | AC500 PLC | 45×100×75 mm | 0.18 kg |
| TB511-ETH | Terminal Base with Ethernet | AC500 PLC | 80×100×80 mm | 0.25 kg |
| CP600 HMI Panel (CP620) | HMI Touch Panel | AC500 HMI Integration | 220×150×50 mm | 1.20 kg |
