Description

ABB 07KT98C Advant Controller 31 Basic Unit

Configured for PLC logic execution, I/O processing, and system communication in the ABB Advant Controller 31 (AC31) platform, the ABB 07KT98C GJR5253100R3260 (07KT98C Basic Unit) provides processor, memory, communication, and I/O functions within the controller architecture.

Hardware Specifications

Parameter	Specification
Model	07KT98C
Full Order Number	GJR5253100R3260
Brand	ABB
Product Type	Advant Controller 31 Basic Unit
Series	Advant Controller 31 (AC31)
Processor	32-bit, 120 MHz
RAM	1 MB
Flash Memory	2 MB
Power Supply	24 VDC
Power Consumption	15 W DC-IN
Ethernet Interface	RJ45, up to 100 Mbps
Ethernet Modes	Full duplex, half duplex, auto-negotiation
Serial Interfaces	ARCNET / RS-485
Digital Inputs	24 VDC
Digital Outputs	24 VDC, 0.5 A
Analog I/O	Integrated analog input/output channels
I/O Expansion	AC31 centralized and decentralized I/O modules
Operating Temp	-20 deg C to +60 deg C
Storage Temp	-40 deg C to +85 deg C
Relative Humidity	5% to 95%, non-condensing
Dimensions	Approx. 254 mm x 102 mm x 152 mm
Weight	Approx. 0.9 kg

PLC Backplane Communication and I/O Scaling

The 07KT98C uses the AC31 controller architecture to exchange process data with connected I/O modules. Ethernet provides network communication through the RJ45 interface, while ARCNET and RS-485 support serial system and peripheral connections.

Furthermore, the controller accepts 24 VDC digital signals and provides 24 VDC digital outputs rated at 0.5 A. The AC31 architecture also supports expansion through centralized and decentralized I/O modules. Therefore, installation planning should account for the required I/O density, bus topology, and communication interface allocation.

Frequently Asked Questions (FAQ)

Q: What supply voltage does the ABB 07KT98C require?
A: The supplied specification identifies a 24 VDC input supply with a stated 15 W DC-IN power figure.

Q: What Ethernet capability does the 07KT98C provide?
A: The unit provides an RJ45 Ethernet interface supporting speeds up to 100 Mbps, with full/half duplex and auto-negotiation.

Q: Can the 07KT98C expand its I/O capacity?
A: Yes. The supplied data specifies expansion through AC31 centralized and decentralized I/O modules.

Field Installation Guidelines

• Install the controller in a suitable control cabinet with adequate mechanical support and ventilation.
• Verify the 24 VDC supply polarity and voltage before energizing the unit.
• Route power wiring separately from high-current switching conductors where practical.
• Separate communication and signal wiring from sources of significant electromagnetic interference.
• Use appropriate cable shielding and terminate shields according to the cabinet grounding scheme.
• Verify Ethernet, ARCNET, and RS-485 wiring against the applicable AC31 system configuration before commissioning.
• Confirm I/O channel assignments and field wiring before applying process signals.
• Maintain the specified operating temperature range of -20 deg C to +60 deg C.
• Check that cabinet humidity remains within the specified 5% to 95% non-condensing range.
• Inspect all terminal and connector interfaces for secure mechanical engagement before startup.

Specifications

• Brand: ABB

Advantages

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