ABB 07KT97B 07 KT 97 Basic unit

Overview

The ABB 07KT97B Basic Unit is a versatile and powerful programmable logic controller (PLC) tailored for industrial automation. It provides extensive I/O capabilities, a robust processor, ample memory, and multiple communication interfaces, making it well-suited for a wide range of automation tasks.

Technical Specifications

I/O Capabilities

• Digital Inputs: 24
• Digital Transistor Outputs: 16
• Digital Inputs/Outputs: 8
• Analog Inputs: 8
• Analog Outputs: 4
• I/O Expansion:
  • Up to 992 digital inputs
  • Up to 992 digital outputs
  • Up to 224 analog input channels
  • Up to 224 analog output channels via CS31 system bus
• Max. Remote Modules: 31

Communication Interfaces

• Serial Interfaces: 2 (for programming or connection to man-machine communication)
• Parallel Interfaces: 1 (special interface for connecting a communication processor, enabling networking with other bus systems)

Memory

• Flash EPROM: 512 kB (480 kB for program + configuration data)
• RAM: 2 MB
  • 480 kB for program with on-line programming
  • 256 kB for variables

Real-time Clock

• Resolution: 1 second

High-speed Hardware Counter

• Number of Operating Modes: 7
• Counting Range: -32768 to +32767 (16-bit signed integer)
• Counting Frequency: Max. 50 kHz
• Processing Time: Typical 0.3 ms/kB program
• Software Timers: Any (max. 80 simultaneously active)
• Timer Delay Time: 1 ms to 24.8 days
• Up/Down Counter Software Blocks: Any

Flag Area

• Bit Flags: 8192
• Word Flags: 8192
• Double Word Flags: 1024

Step Chains and Constants

• Step Chains: 256
• Constants KW: 1440
• Constants KD: 384

Indication

• Operating Statuses and Errors: 60 LEDs

Wiring

• Removable Screw-Type Terminal Blocks

Power Supply

• Rated Supply Voltage: 24 V DC
• Current Consumption: Max. 0.35 A
• Protection Against Reversed Polarity: Yes
• Lithium Battery: For RAM backup (Battery module 07 LE 90)
• Battery Lifetime: Typical 5 years at 25°C