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07KR91 GJR5250000R0252

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The ABB 07KR91 GJR5250000R0252 is a high-performance central processing unit (CPU). Designed for industrial automation control systems, this module provides powerful processing capabilities, robust I/O processing, and secure data exchange.
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Technical specifications for 07KR91 GJR5250000R0252

  • Manufacturer:
    ABB
  • Part Number:
    07KR91 GJR5250000R0252
  • Product Family:
    ABB Procontic
  • Product Type:
    Extensible central unit with CS31 bus
  • Stock:
    1
  • I/O Capacity:
    Supports up to 256 I/O points
  • Digital Inputs:
    20
  • Digital Relay Outputs:
    12
  • Communication Ports:
    Ethernet, RS-232C, and System Bus (CS31)
  • Counting Input Frequency:
    Up to 10 kHz
  • Mounting Method:
    DIN rail or screw mounting
  • Operating Temperature:
    0°C to +55°C (+32°F to +131°F)
  • Storage Temperature:
    -25°C to +70°C (-13°F to +158°F)
  • Relative Humidity:
    5% to 95% non-condensing
  • Weight:
    0.7 kg
  • Estimated shipping dimensions:
    25.4x7.6x10.2cm
  • Tariff Code:
    8537101190
  • Country of origin:
    Sweden
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals CPU and I/O Communication and Counting Mounting and Environment Application
  • ABB Procontic CS31 central processing unit for industrial automation control
  • Supports up to 256 I/O points with 20 digital inputs and 12 relay outputs
  • Ethernet, RS-232C and CS31 system-bus communication in one CPU platform

07KR91 GJR5250000R0252 is an ABB Procontic CS31 central processing unit for real-time logic control and I/O processing.

The documented unit handles up to 256 I/O points, provides 20 digital inputs and 12 digital relay outputs, and supports Ethernet, RS-232C and CS31 system-bus connections.

Before replacement, record the complete order code, I/O allocation, communication links, counting inputs, mounting method and saved controller project.

Availability, condition, price, and shipping time for 07KR91 GJR5250000R0252 are confirmed during quotation.

ABB 07KR91 GJR5250000R0252 ABB Procontic Manuals, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Twenty digital inputs and twelve digital relay outputs are built into the documented CPU
  • The controller supports up to 256 total I/O points in the CS31 architecture
  • Confirm the project slot map and output load before substituting the 07KR91 unit
  • Ethernet and RS-232C ports support supervisory and serial data exchange
  • The CS31 system bus connects the CPU with distributed field I/O
  • The counting input function is documented up to 10 kHz; match the project timing requirements
  • Mount the 07KR91 by DIN rail or screw fixing as required by the cabinet design
  • Operating temperature is documented from 0 to 55 degrees Celsius
  • Storage range is minus 25 to 70 degrees Celsius with 5 to 95 percent non-condensing humidity
  • Central logic and real-time I/O control in ABB Procontic CS31 automation systems
  • Manufacturing, process, energy and utility installations using distributed field devices
  • Projects requiring Ethernet, RS-232C, CS31 bus communication and high-speed counting
Description
The ABB 07KR91 GJR5250000R0252 is a high-performance central processing unit (CPU). Designed for industrial automation control systems, this module provides powerful processing capabilities, robust I/O processing, and secure data exchange.

This module forms the core processing element within ABB’s Procontic CS31/Advant Controller 31 series, acting as the “brain” of automated control architectures in manufacturing, process control, energy, and utility applications. 

It is engineered to deliver robust processing capability, dependable I/O handling, and seamless integration with field devices and supervisory systems.

Alternative Names
07KR91 07 KR 91 GJR5250000R0252 07KR91 GJR5250000R0252 ABB 07KR91 ABB 07KR91 GJR5250000R0252 ABB Procontic CS31 07KR91
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What should be matched on the nameplate before ordering ABB 07KR91 GJR5250000R0252?
Match the complete 07KR91 GJR5250000R0252 order code, the installed Procontic CS31 project and the controller I/O allocation; a similar CPU label is not enough.
Can ABB 07KR91 GJR5250000R0252 handle a distributed I/O installation?
ABB 07KR91 GJR5250000R0252 supports up to 256 I/O points, including 20 digital inputs and 12 relay outputs, so the project slot map and output loads must be checked before replacement.
Which communication connections should be verified for ABB 07KR91 GJR5250000R0252?
Verify the Ethernet, RS-232C and CS31 system-bus connections used by ABB 07KR91 GJR5250000R0252, including the cable routing and the saved communication configuration.
When is the counting input capability important for ABB 07KR91 GJR5250000R0252?
Use ABB 07KR91 GJR5250000R0252 only after confirming that its documented counting input capability up to 10 kHz matches the required pulse frequency and signal conditioning.
How can ABB 07KR91 GJR5250000R0252 be mounted in a control cabinet?
ABB 07KR91 GJR5250000R0252 is documented for DIN-rail or screw mounting; confirm the cabinet fixing method, clearance and wiring access before installation.
What environmental conditions should be checked for ABB 07KR91 GJR5250000R0252?
For ABB 07KR91 GJR5250000R0252, verify the 0 to 55 °C operating range, minus 25 to 70 °C storage range and 5 to 95 percent non-condensing humidity requirement.
What should be backed up before replacing ABB 07KR91 GJR5250000R0252?
Back up the controller program, CS31 I/O map, Ethernet and RS-232C settings, counting configuration and commissioning records before removing ABB 07KR91 GJR5250000R0252.

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