ABB 07KT98 WT98 GJR5253100R4278 Wind Power Dedicated Controller

Overview

The 07 KT 98 Basic Unit functions in multiple roles within the Advant Controller 31 decentralized automation system:

Bus Master: Controls the decentralized automation system.
Slave (Remote Processor): Functions as a remote processor within the system.
Stand-Alone Unit: Can operate independently of the system.

Power Supply: 24 V DC

Key Features

Digital I/O:
- 24 digital inputs with LED indicators.
- 16 digital transistor outputs with LED indicators.
- 8 digital inputs/outputs with LED indicators.
Analog I/O:
- 8 configurable analog inputs for various voltage and current ranges, and Pt100 temperature inputs.
- 4 configurable analog outputs (±10 V, 0–20 mA, 4–20 mA).
High-Speed Counter:
- 2 counters with up to 50 kHz frequency and 7 modes.
Communication:
- 1 CS31 System Bus Interface for expansion.
- 2 Serial Interfaces (COM1, COM2): For Modbus, programming, and testing, as well as custom configurations.
- 1 Communication Module Interface: For connecting additional communication processors (e.g., 07 KP 90).
Additional Features:
- Real-time clock, RUN/STOP switch, diagnostic LEDs, detachable terminal blocks, Flash EPROM, and optional lithium battery backup.

Technical Data

General

Digital I/O:
- Digital Inputs: 24
- Digital Outputs: 16 (transistor type)
- Digital Inputs/Outputs: 8
Analog I/O:
- Analog Inputs: 8
- Analog Outputs: 4
System Bus Expansion:
- Up to 992 digital inputs, 992 digital outputs, 224 analog input channels, and 224 analog output channels.
- Maximum 31 remote modules.
Memory:
- Flash EPROM: 1 MB for program storage + 128 kB for user data.
- SRAM: 256 kB for RETAIN data.
- DRAM: 1 MB for program + 1 MB for user data.
Timers and Counters:
- High-speed counter with 7 modes, 50 kHz max frequency, 16-bit signed integer range (-32768 to +32767).
- Any number of software timers and up/down counter blocks.
- Delay time: 1 ms to 24.8 days.
Operating Status Indicators: 60 LEDs for status and error display.
Power Supply: 24 V DC, max current consumption 0.55 A, reverse polarity protection.

Digital I/O Specifications

Digital Inputs:
- Voltage: Signal 0 = -30V to +5V, Signal 1 = +13V to +30V.
- Input delay: 7 ms (configurable to 1 ms).
- Max cable length: 600 m unshielded, 1000 m shielded.
Digital Outputs:
- Max Output Current: 500 mA (max 625 mA with 24 V + 25%).
- Protection: Short-circuit and overload protection, reverse polarity protection.
- Max cable length: 400 m.
Digital Inputs/Outputs:
- 8 channels grouped with shared reference and voltage supply.
- Configurable as input or output with optocoupler signal coupling.

Analog I/O Specifications

Analog Inputs:
- Configurable for voltage, current, and Pt100 inputs.
- Input impedance: Voltage >100 kΩ, Current ~330 Ω.
Analog Outputs:
- Configurable output range: ±10 V, 0–20 mA, 4–20 mA.

Physical and Environmental

Mounting: DIN rail (DIN EN 50022–35) or with M4 screws.
Dimensions: 240 mm x 140 mm x 85 mm.
Weight: 1.6 kg.
Terminal Blocks: Removable, screw-type terminals.
Power Supply Terminal Capacity: Up to 2.5 mm² (CS31 bus), others up to 1.5 mm².

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