ABB 07KT98B
ABB 07KT98B
ABB 07KT98B
ABB 07KT98B
ABB 07KT98B

ABB 07KT98B GJR5253100R3160 | AC800M Series PROFIBUS DP Master Communication Module

  • Brand: ABB
  • Model: 07KT98B GJR5253100R3160
  • Product Type: PROFIBUS DP Communication Module
  • Series: AC800M Communication Modules
  • Core Function: Provides PROFIBUS DP V1 master interface for ABB AC800M controllers to connect with field devices (e.g., drives, remote I/O), enabling bidirectional data exchange and device configuration.
  • Key Specs: Supports PROFIBUS DP V1 protocol, 9.6kbps–12Mbps baud rate, up to 126 devices per segment, 24V DC power supply.
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Part number: ABB 07KT98B GJR5253100R3160
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Description

07KT98B GJR5253100R3160: Product Overview
This component is a PROFIBUS DP communication module within ABB’s AC800M series, designed for industrial automation systems requiring fieldbus integration with PROFIBUS DP-enabled devices. In a DCS/PLC architecture, it functions as a master interface, positioned in the AC800M controller’s communication slot to bridge the controller with PROFIBUS DP networks (e.g., remote I/O stations, variable frequency drives, smart sensors). Its role is to manage deterministic data exchange—transmitting control commands from the controller to field devices and relaying device status/feedback—while adhering to PROFIBUS DP V1 protocol standards for real-time process communication.
The core functionality involves encoding/decoding PROFIBUS DP signals, handling cyclic (real-time I/O) and acyclic (configuration/diagnostics) data packets, and managing node addressing (master/slave configuration). It supports up to 126 devices per segment, with data capacity of 244 bytes input/output per slave. The module includes built-in diagnostics for bus errors (e.g., CRC faults, node timeouts) and device status monitoring, aiding in troubleshooting. It also enables remote parameter adjustment of field devices (e.g., drive setpoints, sensor calibration) via acyclic data exchanges.
It belongs to the AC800M Communication Modules family, optimized for compatibility with ABB’s automation ecosystem. The platform’s benefits include standardized mounting to AC800M chassis, seamless configuration via ABB’s Control Builder M software, and adherence to IEC 61158 (fieldbus standard), ensuring interoperability with third-party PROFIBUS DP devices. This reduces system integration time and supports phased upgrades of legacy installations.

ABB 07KT98B

ABB 07KT98B

07KT98B GJR5253100R3160: Technical Specifications
  • Model Number: 07KT98B GJR5253100R3160
  • Manufacturer: ABB
  • Product Type: PROFIBUS DP Communication Module
  • Protocol Support: PROFIBUS DP V1 (Class 1 master), compatible with DP V2 (read-only)
  • Baud Rate: 9.6kbps, 19.2kbps, 45.45kbps, 93.75kbps, 187.5kbps, 500kbps, 1.5Mbps, 3Mbps, 6Mbps, 12Mbps (configurable)
  • Number of Nodes: Up to 126 devices per PROFIBUS DP segment
  • Data Capacity: 244 bytes input + 244 bytes output per slave device
  • Power Supply: 24V DC (±10% tolerance, drawn from AC800M backplane)
  • Operating Temperature: 0°C to +55°C
  • Storage Temperature: -40°C to +70°C
  • Electrical Isolation: 500Vrms (channel-to-bus, channel-to-ground)
  • Connector Type: 9-pin D-sub (female, for PROFIBUS DP bus connection)
  • Dimensions: 30mm x 100mm x 120mm (WxHxD, fits AC800M controller slot)
  • Weight: 0.17kg
Core Features & Customer Value​
The module’s design prioritizes protocol compliance, system integration efficiency, and operational reliability. PROFIBUS DP V1 support ensures compatibility with a wide range of industrial devices, from ABB drives (e.g., ACS580) to third-party sensors and actuators. For engineers, this eliminates the need for protocol converters, reducing component count and potential failure points. The 12Mbps maximum baud rate enables fast data transfer for high-speed applications (e.g., motion control), while lower baud rates can be selected for long cable runs (up to 1200 meters at 9.6kbps) to maintain signal integrity.
Up to 126 nodes per segment simplifies network topology for medium-to-large systems (e.g., a packaging line with 80 sensors and 40 actuators), reducing the need for additional repeaters or segments. The 500Vrms isolation prevents ground loops and transient voltage spikes from corrupting data—critical in environments with heavy machinery (e.g., metal stamping presses), where electromagnetic interference is common.
Integration with Control Builder M software streamlines configuration: engineers define node addresses, baud rates, and data mapping via a graphical interface, with automatic generation of diagnostic tags. This consistency with other AC800M modules reduces training time and minimizes configuration errors. Built-in diagnostics (e.g., node offline alerts, CRC error counters) provide actionable insights, allowing maintenance teams to address bus issues before they disrupt production.

ABB 07KT98B

ABB 07KT98B

Typical Applications​
In an automotive assembly line, the module connects an ABB AC800M controller to 50 PROFIBUS DP remote I/O stations (monitoring part presence sensors) and 30 ACS580 VFDs (controlling conveyor motors). The 12Mbps baud rate ensures real-time synchronization of conveyor speeds, while diagnostics alert operators to a failed I/O station (node timeout), minimizing line stoppages.
At a wastewater treatment plant, it interfaces the controller with PROFIBUS DP-enabled valve positioners and pH sensors. The 126-node capacity covers all field devices in a single segment, and the 0°C to +55°C operating range suits climate-controlled control rooms. Acyclic data exchanges update valve calibration parameters during maintenance.
In a power plant’s turbine control system, the module links the controller to PROFIBUS DP temperature transmitters and vibration sensors. Isolation protects against EMI from nearby generators, while hot-swap support (with redundant AC800M controllers) allows module replacement during planned outages.

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