07-KT-97 ABB Central Unit Basic Module Specs

ABB 07-KT-97 Central Unit Basic Module Overview

Core Technical Specifications

• Brand & Model: ABB, 07-KT-97 (Order Number GJR5 2530 00 R).
• Digital I/O Capacity: 24 digital inputs, 16 transistor outputs, and 8 configurable digital I/O channels.
• Analog Channels: 8 analog inputs (configurable for 0-10V, 0-20mA, Pt100) and 4 analog outputs.
• System Bus Expansion: CS31 bus supports up to 31 remote modules for massive I/O scaling.
• Integrated Memory: 512 kB Flash EPROM (480 kB program) and 2 MB RAM (480 kB program + 256 kB variables).
• High-Speed Counter: 7 operating modes, counting range -32768 to +32767, max 50 kHz frequency.
• Real-Time Clock: Resolution of 1 second with lithium battery backup (module 07 LE 90, 5-year life).
• Processing Speed: Typical 0.3 ms per 1 kB program (65% bits, 35% words).

I/O Details and Electrical Characteristics

• Digital Inputs (24 channels): 3 groups of 8, signal 0 (-30V...+5V) / signal 1 (+13V...+30V), 7 ms delay (configurable to 1 ms).
• Digital Outputs (16 transistor): 2 groups of 8, 500 mA rated (max 625 mA), short-circuit and overload protected.
• Configurable I/O (8 channels): 1 group with common supply UP5, works as inputs or outputs.
• Analog Inputs (8 channels): voltage input >100 kΩ, current input ~330 Ω, supports Pt100 (2-wire/3-wire).
• Analog Outputs (4 channels): 0-20mA support, with high accuracy and isolation.
• Power Supply: Rated 24 V DC, max current 0.35 A, reverse polarity protected.
• LED Indicators: 60 LEDs display operating statuses and errors for each I/O channel.
• Wiring: Removable screw terminals, CS31 bus uses max 2.5 mm², others max 1.5 mm².

Communication and Expansion Features

• Serial Interfaces: 2 ports for programming or HMI connection.
• Parallel Interface: 1 special port for communication processors (e.g., Profibus DP, ARCNET®, MODBUS®).
• CS31 System Bus: Expands I/O up to 992 digital inputs, 992 outputs, 224 analog inputs, and 224 analog outputs.
• Memory Expansion: Smart Media Card (Flash) for data storage and program reload.
• Data Memory: 8192 bit flags, 8192 word flags, 1024 double-word flags, and 256 sequencers.
• Execution Control: Cyclic and time-controlled multitasking (20 tasks) with unlimited timers and counters.
• Special Functions: PI/PID controllers, 32-bit arithmetic, ASCII communication, and floating-point math.

Environmental, Protection, and Mounting

• Cable Length: Unshielded max 600 m (inputs) and 400 m (outputs), shielded up to 1000 m.
• Protection: Outputs include short-circuit, overload, and reverse polarity protection.
• Inductive Loads: Internal varistor demagnetization, switching frequency max 0.5 Hz.
• Lamp Loads: Switching frequency max 11 Hz with max 5 W load.
• Mounting: Supports DIN rail or direct panel mounting.
• Temperature Range: Designed for industrial environments (details in manual).
• Battery Backup: Exchangeable lithium battery ensures RAM retention for 5 years at 25°C.
• Password Protection: Hardware-level security for program and configuration data.

Installation, Packaging, and Logistics

• Installation Guide: Use removable screw terminals; ensure proper grounding and observe potential differences (±1 V between AGND and M).
• Package Contents: Basic unit 07-KT-97, terminal blocks, documentation CD, and battery module (07 LE 90).
• Shipping Options: We dispatch via FedEx, UPS, or DHL within 5 business days.
• Stock Status: All items are brand new and in stock for immediate shipment.
• Return Policy: 30-day return window for unused items in original packaging.
• Mounting Accessories: DIN rail clips and screws are included in the package.
• Wiring Notes: Use shielded cables for analog signals to avoid interference; ensure CS31 bus wiring meets 2.5 mm² spec.

Frequently Asked Questions (FAQ)

• Q: Is the 07-KT-97 compatible with Profibus DP?
  A: Yes, it supports Profibus DP, ARCNET®, and MODBUS® via the parallel interface.
• Q: Can I configure analog inputs as digital?
  A: Yes, each analog input can be configured as a digital input (threshold +13V).
• Q: What is the maximum I/O expansion capability?
  A: Via CS31 bus, you can add up to 992 digital I/O and 224 analog channels.
• Q: How do I back up the program?
  A: Use the Smart Media Card (Flash) or the integrated battery-backed RAM.
• Q: What is the processing time for 1 kB of program?
  A: Typical cycle time is 0.3 ms (65% bits, 35% words) or 0.22 ms for optimized code.
• Q: Are the terminal blocks removable?
  A: Yes, they are screw-type and withdrawable for easy maintenance.
• Q: What is the counting frequency of the high-speed counter?
  A: The counter operates up to 50 kHz with 7 configurable modes.
• Q: Does the unit include a real-time clock?
  A: Yes, it has an integrated RTC with 1-second resolution and battery backup.

For inquiries, contact us: sales@nex-auto.com or +86 153 9242 9628 (WhatsApp).

Partner: NexAuto Technology Limited