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Product Overview
The ABB TC512V1 (3BSE018059R1) is a Twisted Pair Modem Module used in ABB’s System 800xA and other automation systems to provide robust communication over twisted pair cabling. It enables long-distance and noise-resistant data transmission between control system components, such as remote I/O units, controllers, and communication interfaces.
Designed for industrial environments, the TC512V1 is ideal for scenarios where traditional Ethernet or fiber communication is impractical due to harsh conditions, cost constraints, or existing twisted-pair infrastructure. It features galvanic isolation, noise immunity, and ease of integration, ensuring reliable operation even in electromagnetically noisy installations.
Key Features
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Industrial modem for serial communication over twisted pair
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Supports long-distance, noise-immune signal transmission
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Fully compatible with ABB System 800xA and similar architectures
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Galvanic isolation for high signal integrity and protection
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DIN rail mountable for easy control cabinet integration
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Point-to-point and multipoint support (depending on configuration)
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Designed for legacy and modern automation systems
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Excellent for retrofits or cost-effective expansions
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Low power consumption and compact footprint
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Reliable communication even in high EMI environments
Technical Specifications
| Specification | Details |
|---|---|
| Product Name | Twisted Pair Modem Module |
| Model Number | TC512V1 |
| Ordering Code | 3BSE018059R1 |
| System Compatibility | ABB System 800xA, Advant Controller 410/450, Freelance DCS |
| Interface Type | RS-485 or RS-422 (over twisted pair) |
| Transmission Distance | Up to 1200 meters (depending on cable and baud rate) |
| Baud Rate | Up to 115.2 kbps (typical) |
| Isolation Voltage | 1500 V DC galvanic isolation |
| Line Coding | Differential (balanced) transmission |
| Power Supply Voltage | 24 V DC (nominal) |
| Power Consumption | < 2 W |
| Mounting Type | DIN rail (35 mm standard) |
| Operating Temperature | -25°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5% to 95%, non-condensing |
| Dimensions | 160 x 120 x 90 mm |
| Weight | 1.5 kg |
| Certifications | CE, RoHS, UL, EN 61000-6-2 (EMC immunity), EN 61131-2 |
| Protection Class | IP20 |
Industry Applications
The ABB TC512V1 twisted pair modem is widely used in distributed control and automation systems across various industries:
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Power Generation: Data communication in turbine and substation automation
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Water & Wastewater: Remote sensor and actuator communication in SCADA networks
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Chemical and Petrochemical: Harsh environment communication over shielded twisted pair
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Pulp & Paper: Linking remote I/O in large processing plants
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Metals & Mining: Underground or long-distance connectivity between controllers and remote equipment
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Transportation: Tunnel automation and traffic systems using shielded cabling
Product Advantages
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Reliable long-range communication over low-cost twisted pair cables
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Ideal for retrofitting existing infrastructure where fiber or Ethernet is impractical
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Industrial-grade protection against EMI and voltage transients
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Small footprint for dense control panel installations
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Supports legacy and modern systems for backward compatibility
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Reduces wiring complexity in decentralized control architectures
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High-speed data transmission with minimal latency
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Galvanic isolation prevents ground loop and surge issues
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Certified for use in mission-critical control applications
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Backed by ABB’s global support and lifecycle services
Frequently Asked Questions (FAQ)
1. What is the main function of the TC512V1 module?
It acts as a modem to transmit serial data over twisted pair cabling between automation devices.
2. Which ABB systems support the TC512V1?
It is compatible with System 800xA, Advant Controller 410/450, and Freelance DCS.
3. What kind of signal interfaces does it support?
Typically RS-485 or RS-422, depending on configuration and application.
4. How far can signals travel using this modem?
Up to 1200 meters, depending on baud rate, cable quality, and environment.
5. Is the modem electrically isolated?
Yes, it offers 1500 V galvanic isolation between communication and system sides.
6. Can it be used in noisy industrial environments?
Absolutely—it’s designed to resist EMI and ensure signal integrity.
7. Is the unit DIN-rail mountable?
Yes, it mounts easily on standard 35 mm DIN rails.
8. Can I use it in outdoor applications?
Only if housed in a weatherproof enclosure—it is IP20 rated by default.
9. What baud rates are supported?
It supports baud rates up to 115.2 kbps.
10. Can it operate in redundant configurations?
It supports redundancy via system design, depending on how devices are networked.
Related ABB Modules and Communication Interfaces
| Model | Description |
|---|---|
| CI854AK01 | PROFIBUS DP communication interface for System 800xA |
| TC513V1 | Fiber Optic Modem for high EMI or long-distance communication |
| TU810V1 | Terminal unit for mounting and wiring I/O modules |
| AI810 | 8-channel analog input module for System 800xA |
| CI862 | ControlNet communication interface module |
| TB511-ETH | Terminal base with integrated Ethernet for AC500/AC500-eCo PLCs |
Popular ABB Automation Products
| Model | Description |
|---|---|
| System 800xA | Flagship ABB integrated DCS for plant-wide automation |
| AC500 | Modular PLC series for scalable control applications |
| S800 I/O | Modular distributed I/O system for process automation |
| CP600 HMI | ABB operator panels with Ethernet, USB, and high-resolution display |
| AI845 | High-density analog input module for voltage and current signals |
| SDCS-PIN-205C | Power interface board used in drive systems |
