Product الوصف
The ABB TB840 3BSE021456R1 is an optical ModuleBus modem specifically designed for redundant configurations within the ABB S800 I/O system. It allows seamless optical communication between I/O clusters via ModuleBus in distributed and modular installations. The TB840 operates as an interface وحدة for the electrical and optical ModuleBus, enhancing reliability and flexibility in field I/O systems, especially where long-distance or high-integrity communication is required.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Type | Optical ModuleBus Modem for Redundant Config. |
| Power Supply | 24 V DC (Range: 19.2 – 30 V DC) |
| Rated Isolation Voltage | 50 V |
| Communication Type | Optical and Electrical ModuleBus Interface |
| Use Case | Redundant I/O Cluster Communications |
| Mounting | DIN Rail |
| Operating Temperature | 0 to +55 °C |
| Dimensions (W x H x D) | 17.6 x 56.7 x 42.3 mm |
| الوزن | 0.09 kg |
| Certifications | CE, RoHS, G3-compliant, compliant with IEC norms |
Applications
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Distributed control systems using ABB’s 800xA or Advant Master
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Redundant field I/O setups requiring high communication reliability
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Industrial automation systems with remote or harsh environment installations
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Long-distance I/O expansion using optical media converters and modems
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Communication bridging in energy, chemical, oil & gas, and manufacturing sectors
Advantages
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High Reliability: Ensures robust communication via optical redundancy
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Compact Form Factor: Small footprint ideal for space-constrained panels
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Flexible Integration: Compatible with S800 I/O clusters and fieldbus interfaces
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Electrically Isolated: Enhances safety and reduces interference
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DIN Rail Mounting: Quick and easy installation
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Redundant Configuration الدعم: Increases system uptime and fault tolerance
الأسئلة الشائعة (FAQ)
Q1: What is the function من the TB840?
A1: It acts as a redundant optical modem enabling communication between S800 I/O clusters via the ModuleBus.
Q2: Is the TB840 suitable for non-redundant systems?
A2: It is primarily designed for redundant applications, but can operate in certain non-redundant setups if properly configured.
Q3: What power supply is needed for TB840?
A3: It requires a 24 V DC power supply, with an acceptable range من 19.2 to 30 V DC.
Q4: Can TB840 be hot-swapped?
A4: Yes, it supports hot swapping when used with compatible S800 I/O modules and termination وحدةs.
Q5: What type من fiber cables are compatible?
A5: الدعمs plastic fiber (up to 15 m), HCS glass fiber (up to 200 m), and with converters, ST glass fiber (up to 1000 m).
Q6: Is TB840 compatible with PROFIBUS or AF100?
A6: It connects ModuleBus segments and works with FCIs that support PROFIBUS or AF100.
Q7: What are the environmental compliance ratings?
A7: It is G3-compliant, suitable for harsh industrial environments (ISA-S71.04 level).
Q8: How is the TB840 installed?
A8: It is DIN rail mountable, making installation quick and standardized.
Q9: Does it support redundant I/O modules?
A9: Yes, it supports redundant I/O setups in combination with appropriate MTUs and CI interfaces.
Q10: Can TB840 be used in safety-critical environments?
A10: Yes, particularly when combined with certified SIL3-rated S800 modules.
Related or Similar الطرازs (S800 I/O Series)
| الطراز | الوصف | Dimensions (mm) | الوزن |
|---|---|---|---|
| TB820 | Optical ModuleBus Modem | 17.6 x 56.7 x 42.3 | 0.09 kg |
| TB825 | Optical Media Converter | 24.5 x 75.1 x 40.6 | 0.12 kg |
| TB842 | ModuleBus Optical Port, 10 Mbit/s | 18.0 x 65.0 x 45.0 | 0.10 kg |
| TB805 | Bus Outlet for Single ModuleBus | 15.0 x 55.0 x 38.0 | 0.08 kg |
| TB846 | Bus Inlet for Dual ModuleBus | 18.2 x 60.0 x 40.0 | 0.09 kg |
| TU840 | MTU for Redundant TB840, Redundant I/O | 70.0 x 115.0 x 60.0 | 0.25 kg |
Popular ABB الطرازs (Same العلامة التجارية)
| الطراز | الوصف | Dimensions (mm) | الوزن |
|---|---|---|---|
| CI840 | PROFIBUS-DPV1 Redundant FCI | 27.0 x 100.0 x 75.0 | 0.25 kg |
| AI845 | Analog Input with HART, Redundant الدعم | 17.6 x 56.7 x 42.3 | 0.09 kg |
| DO840 | Digital Output Module, Redundant Compatible | 17.6 x 56.7 x 42.3 | 0.09 kg |
| TU845 | MTU for Redundant Analog Input Modules | 70.0 x 115.0 x 60.0 | 0.25 kg |
| PM864AK01 | CPU Module for AC800M Controller | 142.0 x 186.0 x 70.0 | 0.90 kg |
| AO845 | Analog Output Module with HART, Redundant Use | 17.6 x 56.7 x 42.3 | 0.09 kg |
معلومات الشركة
E-mail: [email protected]
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