Configured for optical signal conversion and communication extension in industrial automation platforms, the ABB TB811 3BSE008568R1 (TB811 Optical ModuleBus Port) provides direct physical/electrical execution.

Model Matrix and Designation Details

• Base model designation: TB811 indicating the optical ModuleBus adaptor hardware.
• Part number identifier: 3BSE008568R1 specifying the exact manufacturing version.
• System integration: Designed for deployment alongside CI810 and CI820 communication interfaces.
• Compliance standard: G2 compliant construction for harsh industrial environments.

Hardware Specifications

Backplane Communication and Network Parameters

• Manages backplane bus communication velocity and protocol translation between electrical and optical layers.
• Performs continuous autodiagnostics and supervises Modulebus integrity during system initialization and runtime.
• Executes electrical ID verification routines at start-up to prevent mismatched module integration.
• Enforces defined output states in response to communication anomalies, preserving field device safety parameters.

Ordering Information

• 1 x TB811 Optical ModuleBus Port module
• 1 x Technical documentation sheet

Field Installation and Wiring Guidelines

• Mount the module securely onto a standard DIN rail within the designated enclosure.
• Connect the 24 V DC power supply maintaining input voltage within the 18 V to 30 V range.
• Ensure optical fiber ends are cleaned and inspected prior to insertion into the optical transceiver ports.
• Route communication cables away from high-voltage power lines to mitigate electromagnetic interference.

Frequently Asked Questions

• Q: What is the primary function of the TB811 module in an automation network?

  A: It converts electrical RS-485 signals to optical signals for extended ModuleBus transmission.

• Q: How does the system handle an incorrect electrical ID at start-up?

  A: The module is prevented from taking into operation to avoid system configuration errors.

• Q: What is the maximum optical budget supported by the optical interface?

  A: The optical budget is rated at 12 dB.

• Q: What power supply voltage range is required for operation?

  A: The unit operates on a supply voltage of 24 V DC within an 18 V to 30 V range.

• Q: How are communication faults managed during runtime?

  A: Continuous autodiagnostics supervise the Modulebus and trigger defined output states if a fault occurs.

• Q: Is hot-swapping supported for this module?

  A: Power should be removed prior to insertion or extraction to protect backplane circuitry.

• Q: What is the maximum current draw of the device at nominal voltage?

  A: The current draw is 85 mA or less at 24 V DC.

• Q: What isolation rating protects the electrical interface?

  A: The unit provides 2.5 kV AC isolation between interface circuits.