Description

ABB 07KT97D Advant Controller 31 CPU Module

The ABB 07KT97D serves as the primary 07KT97 CPU Module utilized to execute program processing, I/O coordination, and controller communication across ABB Advant Controller 31 (AC31) platforms. The unit operates from a 24 VDC supply and mounts on a DIN rail. Depending on the exact catalog variant and installed communication configuration, interface capabilities may differ.

Hardware Specifications

Parameter	Specification
Model	ABB 07KT97D
Base Model	07KT97
Brand	ABB
Product Type	Central Processing Unit (CPU) / Basic Unit
Series	Advant Controller 31 (AC31)
Function	PLC program execution, I/O coordination, and controller communication
Input Voltage	24 VDC
Programming Software	ABB Control Builder / AC31 programming tools
Communication Interfaces	Built-in interfaces; available communication functions depend on exact catalog variant and configuration
Communication Protocols	ARCNET, Ethernet, or serial communication depending on configuration and associated submodules
Mounting Type	DIN rail mounting
Operating Temp	0 deg C to +55 deg C
Dimensions	Approx. 16 cm x 16 cm x 12 cm; exact dimensions may vary by catalog variant
Weight	Approx. 0.7 kg to 0.8 kg
I/O Expansion	Supports modular expansion within the ABB Advant Controller 31 architecture
Core Performance	Executes control programs and coordinates connected local or distributed I/O functions

Backplane Bus Communication and I/O Scaling

The ABB 07KT97D coordinates controller data with connected I/O and communication components within the Advant Controller 31 architecture. Therefore, system configuration must match the installed hardware arrangement and the supported communication functions of the exact catalog variant.

I/O capacity can be extended through compatible AC31 expansion modules. However, the controller configuration should account for available power capacity, communication loading, addressing, and firmware compatibility. Before replacing or commissioning the CPU, technicians should verify the installed hardware revision and communication configuration.

Frequently Asked Questions

Q: Can all ABB 07KT97D units provide the same communication interfaces?
A: No. Communication capability may depend on the exact catalog number, hardware configuration, and installed communication submodules. The identification label should be checked before replacement or system modification.

Q: Is the ABB 07KT97D designed for hot swapping?
A: The provided data does not specify hot-swap capability. Therefore, technicians should isolate system power and follow the applicable AC31 maintenance procedure before removing or installing the CPU module.

Q: What should be checked before installing a replacement 07KT97D CPU module?
A: Verify the exact catalog variant, supply voltage, communication configuration, connected I/O architecture, program compatibility, and applicable firmware requirements before commissioning.

Field Installation Guidelines

Mount the ABB 07KT97D on a properly grounded DIN rail inside an industrial control enclosure.

Connect the 24 VDC supply according to the applicable ABB terminal assignment and polarity requirements. Keep power wiring separated from communication and signal wiring where practical.

Use the required shielding and grounding practices for communication cables. In addition, avoid routing communication conductors parallel to high-current switching cables for extended distances.

Before applying power, inspect the controller terminals, module seating, connected I/O modules, and communication connections. Then verify the installed controller configuration against the system documentation.

When replacing an existing CPU module, record the installed catalog number and configuration before removal. Finally, confirm program and firmware compatibility before returning the controller to service.

Specifications

• Brand: ABB

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems