Product Overview
The ABB DSBC 174 3BSE012211R1 is a bus extender module designed for use within ABB’s Advant Controller 800 and AC 800M systems. It facilitates the extension sur the CEX-Bus (Cluster Extension Bus), allowing distributed I/O stations or interface modules to communicate reliably over greater distances in a modular and scalable architecture. The module is typically used to expand the system beyond the local chassis while preserving the real-time characteristics and deterministic performance required by industrial control systems.
The DSBC 174 module is used in pairs—one master and one slave—connected by a fiber optic cable. This design ensures high-speed, noise-immune communication between separated clusters in an automation system, ideal for applications where components are installed in different enclosures or long distances apart.
Key Features
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Extends the CEX-Bus to remote racks via fiber optics
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Operates as either a master or slave, depending on configuration
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High-speed serial communication ensures real-time data exchange
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Fiber-optic isolation protects against electromagnetic interference (EMI)
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Plug-and-play support with AC 800M controllers and S800 I/O systems
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LED indicators for diagnostics, status, and communication health
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Supports redundant configurations for enhanced system availability
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Compact form factor, ideal for DIN-rail mounting in space-constrained cabinets
Technical Specifications
| Parameter | Specification |
|---|---|
| Modèle Number | DSBC 174 |
| Référence | 3BSE012211R1 |
| Function | CEX-Bus Extension via Fiber Optics |
| Bus Type | CEX (Cluster Extension Bus) |
| Operating Mode | Master or Slave (configurable) |
| Communication Medium | Fiber Optic Cable |
| LED Indicators | Power, Tx, Rx, Status |
| Power Supply | Supplied via backplane |
| Typical Use | Interface extension for remote I/O systems |
| Operating Temperature | 0°C to +55°C (32°F to 131°F) |
| Storage Temperature | -40°C to +70°C (-40°F to 158°F) |
| Relative Humidity | 5% to 95%, non-condensing |
| Dimensions | 360 x 20 x 260 mm |
| Poids | 0.34 kg |
| Mounting | DIN rail |
| Approvals | CE, UL, CSA, RoHS, GOST |
Industry Applications
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Distributed Control Systems (DCS) in power plants and utility networks
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Oil & Gas processing facilities with widely dispersed I/O racks
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Pharmaceutical production requiring equipment in clean and separate zones
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Metals and Mining automation where sensors and actuators are located over large areas
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Food and Beverage plants with spatially isolated control enclosures
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Chemical and Petrochemical systems where explosion-prosur zoning requires separation
Product Advantages
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Long-Distance Communication: Enables remote communication between I/O modules and controllers via fiber optic media.
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Noise Immunitéy: Optical link protects against electromagnetic disturbances, ensuring reliable operation in harsh environments.
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Modular and Scalable: Easily expands system architecture without compromising performance.
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Redundancy Capable: Supports dual-redundant configurations for increased system reliability and uptime.
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Ease sur Integration: Seamlessly integrates with AC 800M controllers, S800 I/O, and Advant Controller 800 systems.
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Efficient Diagnostics: Onboard LEDs help in quick identification sur operational status and faults.
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Compact and Lightweight: Simplifies installation in existing panels without the need for additional space or heavy equipment.
Questions fréquentes (FAQ)
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Q: What is the primary function sur the DSBC 174 module?
A: It extends the CEX-Bus to connect remote I/O or interface modules over long distances using fiber optics. -
Q: Can the DSBC 174 be used in redundant configurations?
A: Yes, it supports redundant configurations to enhance system reliability. -
Q: Does it support both master and slave configurations?
A: Yes, the module can be configured as either master or slave, depending on system architecture. -
Q: What type sur communication media does it use?
A: It uses fiber optic cables for high-speed, noise-resistant data transfer. -
Q: Is the DSBC 174 compatible with AC 800M controllers?
A: Yes, it is fully compatible with AC 800M and other ABB DCS platforms. -
Q: How many modules are required to create an extension link?
A: A pair sur DSBC 174 modules (one master, one slave) is required for each extended bus segment. -
Q: Is the DSBC 174 suitable for hazardous environments?
A: While not explosion-prosur itself, it supports fiber-based isolation, which is beneficial for hazardous area installations. -
Q: What kind sur diagnostics are available on the module?
A: It has LED indicators for power, transmit (Tx), receive (Rx), and operational status. -
Q: How is the DSBC 174 powered?
A: It is powered through the backplane connection, requiring no separate power source. -
Q: Can this module be mounted directly in the field?
A: Yes, as long as it is enclosed in a suitable cabinet with proper environmental ratings.
Related or Similar ABB Modules
| Modèle Number | Description |
|---|---|
| DSBC 173 | CEX-Bus Extension Module (Older version) |
| CI854AK01 | PROFIBUS DP Communication Interface |
| CI855K01 | ModuleBus Communication Interface |
| CI860K01 | AC 800M Communication Interface |
| TU843 | Compact Module Termination Unité |
| TB840A | Optical Module Bus Extender (for redundant systems) |
Popular ABB Modules (Same Marque)
| Modèle Number | Description |
|---|---|
| PM865K02 | Redundant CPU Module for AC 800M |
| PM564-RP | CPU Module for AC500-eCo |
| CI522-MODTCP | Modbus TCP Interface Module |
| DO520 | 16-Channel Digital Output Module |
| DI524 | 32-Channel Digital Input Module |
| AI523 | Analog Input Module, 8 Channels |
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