ABB 07KT94 GJR5252100R0161 Advant Controller 31 Basic Unit

Direct Answer

- ABB 07KT94 GJR5252100R0161 is a central processing unit for industrial automation, part of the Advant Controller 31 system.

- It has 24 digital inputs, 16 digital outputs, 8 digital I/Os, 8 analog inputs, and 4 analog outputs for controlling processes.

- It runs on 24 V DC, with a memory of 512 kB Flash EPROM and 2 MB RAM, and includes a real-time clock for time-based operations.

- Surprisingly, it supports up to 31 remote modules via the CS31 system bus, allowing for extensive system expansion.

Overview

This unit, known as Basic Unit 07 KT 94 R161, is designed for decentralized automation, managing inputs and outputs for tasks like temperature and pressure control in factories.

Key Features

- Inputs/Outputs: Handles a mix of digital and analog signals, making it versatile for various industrial needs.

- Memory and Processing: Offers robust memory for programs and data, with fast processing times, typically 0.3 ms per kB for mixed operations.

- Connectivity: Includes 2 serial interfaces for programming and communication, plus a parallel interface for advanced networking.

Applications

It’s used in manufacturing plants for process control, monitoring systems, and other automation tasks requiring reliable communication and expansion capabilities.

The ABB 07KT94 GJR5252100R0161, identified as the Basic Unit 07 KT 94 R161, is a central processing unit (CPU) within the Advant Controller 31 series, a robust solution for industrial automation systems. This detailed survey note explores its specifications, functionality, and applications, providing a comprehensive overview for engineers and technical professionals.

Product Description and Context

The ABB 07KT94 is part of ABB’s Procontic CS31 series, specifically designed for decentralized, intelligent automation. It serves as a core component in distributed control systems, managing process variables such as temperature, pressure, flow, and level. The product ID GJR5252100R0161 corresponds to the R161 variant, with R101 being another version, though specific differences between R101 and R161 are not detailed in available documentation, suggesting similar technical specifications.

The unit is compatible with programming and test software like 907 PC 33 (order numbers GJP5204500R0102 for 907 PC 331 and GJP5204300R0102 for 907 PC 332), supporting notations such as Function Block Diagram (FBD), Ladder Diagram (LD), and Extended Instruction List (Exxt. IL). It runs on IBM/AT-compatible PCs with automatic installation, enhancing its usability in industrial settings.

Technical Specifications

General Data

Attribute	Value
Digital Inputs	24
Digital Transistor Outputs	16
Digital Inputs/Outputs	8
Analog Inputs	8
Analog Outputs	4
I/O Expansion via CS31	Up to 992 digital inputs, 992 outputs, 224 analog input/output channels, max. 31 remote modules
Serial Interfaces	2 (programming/man-machine communication)
Parallel Interfaces	1 (for communication processor)
Flash EPROM	512 kB (240 kB program + 120 kB user data)
RAM	2 MB (240 kB program with on-line programming)
Real-Time Clock Resolution	1 second
High-Speed Counter	7 modes, -32768…+32767, max 50 kHz
Processing Time (65% bits, 35% words)	Typ. 0.3 ms/kB program
Software Timers	Max 80 active, delay 1 ms…24.8 days
Bit Flags	8192
Word Flags	8192
Double Word Flags	1024
Step Chains	256
Constants KW	1440
Constants KD	384
Diagnosis	Cycle time, battery, syntax, checksum monitoring
LEDs	60 total
Wiring	Removable screw terminals, max 2 x 1.5 mm² (power/CS31: 1 x 2.5 mm², others 1 x 1.5 mm²)

Power and Battery

Attribute	Value
Rated Supply Voltage	24 V DC
Current Consumption	Max. 0.35 A
Protection Against Reversed Polarity	Yes
Lithium Battery (07 LE 90)	Lifetime at 25°C: typ. 5 years

Digital and Analog I/O

Digital Inputs	Value
Channels	24, 3 groups of 8
Delay	Typ. 7 ms (configurable to 1 ms)
Voltage Range (Signal 0/1)	-30 V…+5 V / +13 V…+30 V
Current at 24 V	Typ. 7.0 mA
Max Cable Length	Unshielded 600 m, shielded 1000 m

Digital Outputs	Value
Channels	16 transistor, 2 groups of 8
Output Current	Rated 500 mA at 24 V, max 625 mA at 24 V +25%
Switching Frequency	Max 0.5 Hz (inductive), 11 Hz (lamp, 5 W)
Max Cable Length	400 m, consider voltage drops
Short-Circuit Proof	Yes

Analog Inputs	Value
Channels	8, configurable ranges (0-10 V, ±10 V, 0-20 mA, etc.)
Resolution	10-12 bits, e.g., ±10 V: 5 mV, 0-20 mA: 5 μA
Conversion Cycle	Typ. 1 ms per U/I channel, 50 ms per Pt100
Max Cable Length	100 m, 2-core shielded, ≥0.5 mm²

Analog Outputs	Value
Channels	4, ranges -10 V…+10 V, 0-20 mA, 4-20 mA
Resolution	12 bits, 5 mV per LSB (-10 V…+10 V)
Conversion Cycle	Typ. 1 ms per channel
Max Cable Length	100 m, 2-core shielded, ≥0.5 mm²

Connectivity and Mechanical

- Serial Interfaces: COM1 and COM2, EIA RS-232, for programming and MODBUS, with isolation versus digital I/Os and CS31 bus.

- CS31 System Bus: EIA RS-485, supports master/slave configurations, address set by system constant, stored in Flash EPROM for slaves.

- Mechanical Data: Dimensions 240 x 140 x 85 mm, weight 1.6 kg, mounts on DIN rail (EN 50022-35, 15 mm) or with 4 M4 screws, natural convection cooling required.

Comparison with 07KT93

While direct comparisons are limited, both 07KT94 and 07KT93 are CPUs for CS31, with 07KT94 offering enhanced memory (2 MB RAM vs. likely less in 07KT93) and potentially updated I/O configurations. The search for “ABB 07KT94 vs 07KT93” did not yield specific differences, but 07KT94’s inclusion in later documentation suggests it may be an updated model with similar functionality but improved capacity.

Ordering and Variants

The ordering data lists:

- Basic Unit 07 KT 94 R101: Order No. GJR5 2521 00 R0101

- Basic Unit 07 KT 94 R161: Order No. GJR5 2521 00 R0161 (matches user’s query) Accessories include battery module 07 LE 90 (Order No. GJR5 2507 00 R1) and SmartMedia Card 07 MC 90 (Order No. GJR5 2526 00 R0101), with software and literature options detailed in the datasheet.

Applications and Benefits

The ABB 07KT94 is ideal for process control in manufacturing, monitoring systems, and decentralized automation, supporting up to 31 remote modules via CS31, which is a significant expansion capability. Its real-time clock and high-speed counter (50 kHz max) enhance precision in time-based and fast signal processing tasks.

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