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ABB 07KT98G Advant Controller 31 Basic Unit

Configured for digital and analog signal processing in the ABB Advant Controller 31 (AC31) system, the ABB 07KT98G (07KT98G Basic Unit / CPU Module) executes PLC control logic and exchanges data through integrated communication interfaces.

Hardware Specifications

Parameter	Specification
Model	07KT98G
Brand	ABB
Product Series	Advant Controller 31 (AC31) / ABB Advant OCS
Product Type	Basic Unit / CPU Module
Digital Inputs	24 channels
Digital Outputs	16 channels
Analog Inputs	8 channels
Analog Input Ranges	0-5 V, -5 to +5 V, 0-10 V, -10 to +10 V, 0-20 mA
Communication	ARCNET
Serial Interfaces	COM1, COM2
Operating Temp	0 deg C to +55 deg C
Dimensions	Approx. 25.4 cm x 15.2 cm x 10.2 cm
Weight	Approx. 0.45 kg to 0.5 kg
Part Number / Catalog Code	07KT98G; supplied data also references GJR5253100R0160 variants

PLC I/O and Industrial Network Characteristics

The 07KT98G combines CPU functions with integrated I/O resources. It provides 24 digital inputs, 16 digital outputs, and 8 analog inputs for direct signal acquisition and control.

The analog input section accepts voltage and current signal ranges specified above. Therefore, engineers should match each field transmitter or sensor output to the configured input range before commissioning.

For controller-to-controller or system-level data exchange, the unit supports ARCNET communication. In addition, COM1 and COM2 provide serial connections for programming, diagnostics, and compatible external devices.

Because ABB AC31 installations depend on the system backplane and connected I/O architecture, engineers should verify module compatibility and communication configuration against the specific controller revision.

Frequently Asked Questions

Q: How many integrated I/O channels does the ABB 07KT98G provide?
A: The supplied specifications identify 24 digital inputs, 16 digital outputs, and 8 analog inputs.

Q: Which analog signals can the 07KT98G accept?
A: The supplied data lists 0-5 V, -5 to +5 V, 0-10 V, -10 to +10 V, and 0-20 mA ranges.

Q: What communication interfaces are identified for the 07KT98G?
A: The supplied information identifies ARCNET communication and COM1/COM2 serial interfaces.

Field Installation Guidelines

• Mount the unit securely within the designated AC31 installation environment.
• Confirm the controller, I/O modules, and connected terminals match the applicable AC31 system configuration.
• Keep signal wiring separated from high-voltage and high-current power conductors to reduce electrical interference.
• Use appropriate shielded cabling for sensitive analog signals where the installation requires it.
• Terminate cable shields according to the plant grounding and EMC design rather than creating unintended ground loops.
• Verify input signal polarity, voltage range, and current-loop wiring before energizing the controller.
• Confirm ARCNET and serial communication wiring before software commissioning.
• Check terminal assignments against the applicable ABB hardware documentation before applying field power.
• Do not assume hot-swap capability unless the specific AC31 hardware configuration and documentation explicitly permit energized module replacement.
• Maintain adequate clearance around the controller for wiring access and heat dissipation.

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