Description
The ABB CS513 3BSE000435R1 is a versatile serial communication interface module within ABB’s S800 I/O series, designed to bridge legacy field devices with modern distributed control systems (DCS). This module enables bidirectional data exchange between ABB’s 800xA/Advant OCS control systems and industrial equipment using serial protocols, making it essential for retrofitting or hybrid automation environments. The CS513 3BSE000435R1 supports multiple protocols including MODBUS RTU/ASCII, DNP3, and IEC 60870-5-101/104, while its dual ports allow daisy-chaining or redundant configurations. Engineered for harsh conditions, it operates at -40°C to +70°C with 1,500 V AC channel isolation, preventing ground loops in electrically noisy settings like substations or steel mills. Integrated HART passthrough capability permits simultaneous analog signal transmission and device diagnostics without additional hardware. As a SIL 2-certified (IEC 61508) solution, the ABB CS513 ensures data integrity for critical processes while reducing integration costs by 40% compared to gateway alternatives.

ABB CS513 3BSE000435R1
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | CS513 3BSE000435R1 |
| Manufacturer | ABB |
| Product Type | Serial Communication Module |
| Protocols Supported | MODBUS RTU/ASCII, DNP3, IEC 60870-5-101/104, HART passthrough |
| Port Configuration | 2x RS-232/485 (software-configurable) |
| Baud Rate | 300–115,200 bps (adjustable per port) |
| Isolation | 1,500 V AC (port-to-backplane) |
| HART Support | Yes (via analog I/O modules) |
| Operating Temperature | -40°C to +70°C |
| Power Supply | 24 V DC ±10% (via S800 backplane) |
| Power Consumption | 1.8 W |
| Certifications | SIL 2 (IEC 61508), UL 508, ATEX Zone 2 |
| Dimensions | 122 mm × 32 mm × 117 mm |
| MTBF | >300,000 hours |
| Connection Interface | Removable screw terminals |
Main Features and Advantages
Multi-Protocol Flexibility: The ABB CS513 3BSE000435R1 dynamically adapts ports to MODBUS, DNP3, or IEC protocols without hardware changes. Its dual independent processors handle protocol translation at line speed (≤5 ms latency), enabling legacy PLCs to communicate with 800xA DCS historian databases.
HART Data Tunneling: Unique passthrough functionality extracts HART variables from analog signals routed through S800 I/O (e.g., AI825 module), feeding device diagnostics into ABB Asset Vision for predictive maintenance. Eliminates separate HART multiplexers.
Cybersecurity Enforcement: Implements protocol-specific whitelisting (e.g., MODBUS function code filtering) and message authentication to block unauthorized access. Firmware signed with SHA-256 encryption prevents tampering.
Seamless DCS Integration: Auto-discovers in Control Builder M engineering suite. Pre-configured Faceplates in 800xA display serial device status, reducing commissioning time by 70% compared to third-party gateways.
Application Areas
The ABB CS513 3BSE000435R1 excels in modernizing infrastructure with mixed-vintage equipment. In power distribution, it interfaces protection relays (IEC 60870) with SCADA for grid fault analysis. Water treatment plants deploy it to integrate MODBUS RTU pump controllers into 800xA, enabling predictive bearing wear monitoring via vibration analytics. For oil pipelines, the module connects DNP3-compliant RTUs to central leak detection systems while tunneling HART data from pressure transmitters. Manufacturing facilities use it to bridge legacy CNC machines (RS-232) to MES layers for OEE tracking. In mining, its rugged design withstands vibration while serializing sensor data from conveyor belt scales.
Related Products
ABB CI854A: PROFIBUS interface module for S800 series
ABB AI825: 8-channel analog input with HART support
ABB SD822: SIL 3 digital output module
ABB TU847: Thermocouple/RTD interface
ABB 3BSE008508R1: S800 baseplate for CS513 mounting
ABB COM-01: Serial converter for legacy Advant systems

ABB CS513 3BSE000435R1
Installation and Maintenance
Pre-installation preparation: Verify Control Builder M version ≥11.3. Configure protocol settings offline before hardware insertion. Ensure RS-485 termination resistors match line impedance (typically 120 Ω). Ground shield wires at marshalling cabinet only.
Maintenance recommendations: Monitor “CRC Error” counters monthly via 800xA Diagnostics. Update firmware during planned shutdowns using ABB System Installer. Clean terminal blocks annually with contact cleaner. Replace after 15 years or 100,000 power cycles.



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