3BSE036634R1 ABB ModuleBus Extended Distance Converter

Product Overview

The ABB TB825 (catalog number 3BSE036634R1) is a high-performance, 100% brand new original multi-mode Optical Media Converter designed for the S800 I/O system infrastructure. This specialized communication component converts standard electrical ModuleBus signals into high-speed fiber optic data streams, extending the physical reach of local I/O clusters up to 1000 meters. By transitioning from copper wiring to optical media, this module enables process plants to isolate remote I/O stations, span long distances between processing areas, and protect crucial signal pathways from heavy plant-floor electrical interference.

Technical Specifications

The electrical and optical hardware coordinates long-range data serialization smoothly over multi-mode glass fibers. All parameters comply strictly with standard ASCII text formatting:

• Manufacturer Part Number: 3BSE036634R1

• Hardware Model Identifier: TB825

• Primary Function: Short-to-long distance electrical-to-optical ModuleBus conversion

• Maximum Transmission Distance: Up to 1000 meters (approx 3280 feet)

• Optical Fiber Interface Type: Multi-mode fiber optic coupling

• Typical Operational Current Draw: 96 mA at 24 V DC

• Nominal Operating Supply Voltage: 24 V DC

• Environmental Pollution Standard: Degree 2 compliance according to IEC 60664-1

• Ingress Protection Rating: IP20 enclosure class according to EN60529 and IEC 529

• Ambient Thermal Operating Window: 0 to +55 degrees Celsius

• Long-term Thermal Storage Limits: -25 to +70 degrees Celsius

• Relative Humidity Tolerance Range: 5% to 95% non-condensing

• Physical Module Outline Dimensions (H x W x D): approximately 13.6 x 8.56 x 5.85 cm

• Net Hardware Weight: 0.27 kg

• Gross Shipping Weight: 1.5 kg

• Regulatory Compliance Frameworks: CE marked, RoHS compliant

Engineering Advantages

The TB825 3BSE036634R1 optical converter resolves severe architectural and electrical liabilities found in sprawling, high-power industrial sites:

• Extends ModuleBus Across Sprawling Facilities: Standard copper ModuleBus cabling limits the physical proximity of S800 I/O clusters to a few meters around the main controller rack. The TB825 bypasses this physical bottleneck completely by using multi-mode fiber optics, pushing the reliable control network radius out to 1000 meters to reach remote pumping stations, conveyor loops, and outdoor storage tank farms.

• Provides Absolute Electromagnetic Immunity: Running copper communication lines past massive variable frequency drives (VFDs), high-voltage switchgear, and large motors introduces devastating inductive noise that corrupts digital signals. Because fiber optic cables transmit data via light pulses rather than electricity, the TB825 completely isolates the data stream from ambient electromagnetic and radio frequency interference (EMI/RFI).

• Eliminates High-Voltage Ground Loop Potentials: Large potential voltage differences between distinct building foundations can send destructive equalization currents surging through interconnected copper network shields, roasting communication ports. This module establishes a true non-conductive galvanic air gap via fiber, preventing localized grounding faults from traveling back to damage the primary AC 800M system controllers.

• Simplifies Maintenance in Dense Cabinets: The lightweight, 0.27 kg snap-on chassis minimizes structural strain on standard enclosure rails. The compact 8.56 cm width profile slips easily into dense marshalling panels, allowing site engineers to position the fiber conversions directly next to outgoing field conduit paths without reorganizing adjacent wire duct systems.

FAQs

• Q: Is this ABB TB825 3BSE036634R1 unit a certified factory-new component?A: Yes. We supply this product strictly as a 100% brand new, authentic original factory component in original box packaging. This guarantees exact compliance with your site validation protocols, active engineering firmware versions, and system support warranties.

• Q: What type of fiber optic cabling does the TB825 require?A: The module incorporates optical transceivers tuned specifically for multi-mode fiber optic links. Do not mix this hardware with single-mode fiber infrastructure, as the core diameters differ and will cause severe optical signal attenuation and packet timeouts.

• Q: Does this module require standalone power wiring inside the rack?A: No. The unit draws its typical 96 mA operating current directly via its standard integrated ModuleBus connections, eliminating the cost, space, and wiring paths of an independent external power supply.

• Q: What mounting precautions apply when deploying this module inside hot panels?A: The TB825 carries an IP20 protection rating and requires installation inside a clean, dry, protected control cabinet. Because the unit dissipates heat via ambient air movement, always adhere to the standard vertical clearances and ensure ambient surrounding air temperatures do not exceed the +55 degrees Celsius operating threshold.