Description
Product Overview
TheCis a high-performance, multi-protocol serial communication module designed for ABB’s Freelance and AC 800F Distributed Control Systems (DCS). This versatile module functions as a critical gateway, enabling direct and robust serial communication between the controller and a wide array of field devices, including drives, weigh scales, barcode readers, and legacy equipment. The ABB ICST08A9 eliminates the need for separate protocol converters by integrating this functionality directly into the I/O subsystem. With its support for multiple industry-standard serial protocols, it provides a cost-effective and reliable solution for integrating third-party equipment, ensuring seamless data exchange and enhanced system interoperability in hybrid automation environments.
Parameter Values
- Product Model: ABB ICST08A9
- Brand: ABB
- Warranty: One Year
- Supply Voltage: 24 VDC (via system backplane)
- Operating Temperature: 0°C to +60°C
- Storage Temperature: -40°C to +85°C
- Interface Type: 2 x RS-232 / RS-485 (software configurable per channel)
- Isolation: 500 V AC (channel-to-channel and channel-to-system)
- Supported Protocols: MODBUS RTU Master/Slave, Siemens 3964R, RK512, ASCII (user-definable)
- Baud Rate: 300 bps to 115.2 kbps (configurable per channel)
- Data Bits: 7 or 8
- Stop Bits: 1, 1.5, or 2
- Parity: None, Even, Odd
- Max. Cable Length: 1200m (RS-485), 15m (RS-232)
- Number of Connections: Up to 2 independent serial links
- Power Consumption: 2.5 W (typical)
- Dimensions: Single-width module for AC 800F / Freelance I/O mounting.
Key Functions
- Dual Independent Serial Channels: Provides two fully configurable serial ports that can operate simultaneously with different protocols and baud rates, maximizing connectivity options.
- Multi-Protocol Support: Acts as a native communication engine for MODBUS RTU, Siemens proprietary protocols, and simple ASCII string communication, offering broad device compatibility.
- Master and Slave Operation: Can be configured as a MODBUS Master to poll field devices or as a MODBUS Slave to serve data to a higher-level SCADA or PLC system.
- Data Mapping & Processing: Within ABB’s Control Builder, serial data is easily mapped to process variables in the controller, and basic preprocessing (like checksum validation) can be configured.
- Diagnostic Monitoring: Features comprehensive channel status indication (via software and LEDs) for monitoring communication health, error counts, and connection status.
Application Scenarios
Drive Integration: Connecting and controlling third-party variable frequency drives (VFDs) or servo drives via MODBUS RTU from the AC 800F controller in applications like conveyor systems or mixing stations.
Legacy System Interface: Bridging communication between a modern ABB DCS and older PLCs or dedicated control units using Siemens 3964R or simple ASCII protocols in plant retrofit projects.
Weigh Scale & Instrument Connectivity: Interfacing with electronic weigh scales, batch controllers, and analytical instruments that communicate via serial MODBUS in food & beverage or pharmaceutical batching processes.
SCADA/DCS Interconnection: Serving as a MODBUS Slave port on the AC 800F system, allowing a central SCADA system or a higher-level DCS to read and write process data over a serial link.
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