Description
🔧 Product Overview
The ABB 1SBP260020R1001 07CR41 is a programmable logic controller basic unit from the ABB Advant Controller 31, also known as the AC31 automation platform. It belongs to the Series 40 controller family and is designed as a centrally extensible basic unit for compact industrial automation systems.
The 07CR41 integrates digital inputs, relay outputs, program memory, and an RS-232 communication interface in one controller unit. According to ABB technical documentation, the 1SBP260020R1001 version operates from a 24 VDC power supply and includes 8 isolated 24 VDC digital inputs and 6 relay outputs rated up to 250 VAC / 2 A. The RS-232 interface can be used for programming as well as ASCII or MODBUS communication.
The AC31 family is now classified by ABB as a legacy and obsolete PLC platform, having been replaced by newer AC500 automation products. However, the 07CR41 remains relevant for maintenance, repair, and replacement of installed AC31 systems.
⚙️ Key Features
- Brand: ABB
- Model: 07CR41
- Order Number: 1SBP260020R1001
- Series: Advant Controller 31 / AC31 Series 40
- Product Type: Programmable Logic Controller Basic Unit
- Power Supply: 24 VDC
- Digital Inputs: 8 isolated inputs
- Input Voltage: 24 VDC
- Relay Outputs: 6
- Relay Output Rating: Up to 250 VAC / 2 A
- Communication Interface: RS-232
- Communication Functions: Programming, ASCII, MODBUS
- Expansion Type: Centrally extensible
- Programming Software: AC31GRAF
- Application: Industrial automation and machine control
📋 Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | 07CR41 |
| Order Number | 1SBP260020R1001 |
| Series | Advant Controller 31 / AC31 Series 40 |
| Product Name | Programmable Logic Controller Basic Unit |
| Product Type | Central Extensible PLC |
| Power Supply | 24 VDC |
| Permissible Supply Range | 19.2 to 30 VDC |
| Typical Basic Unit Current Consumption | Approx. 120 mA |
| Maximum Configuration Current Consumption | Approx. 400 mA |
| Integrated Digital Inputs | 8 |
| Digital Input Voltage | 24 VDC |
| Input Type | PNP / NPN |
| Integrated Outputs | 6 Relay Outputs |
| Relay Output Rating | 250 VAC / 2 A |
| Communication Interface | RS-232 |
| Communication Protocol | Programming / ASCII / MODBUS |
| User Program Memory | 16 KB Flash EPROM |
| Data Memory | SRAM |
| Maximum Central Extension Units | Up to 6 |
| Approximate Weight | 400 g |
ABB documentation identifies 1SBP260020R1001 specifically as the 07CR41 24 VDC basic unit with 8 isolated 24 VDC inputs, 6 relay outputs, and RS-232 communication capability.
🖥️ Controller Functions
The 07CR41 is intended to serve as the central processing and control unit of a compact automation system.
The controller performs functions such as:
- Digital signal processing
- Machine sequence control
- Relay output control
- Logic operations
- Timer functions
- Counter functions
- Data handling
- Communication with external equipment
- MODBUS communication
- ASCII communication
The AC31 Series 40 architecture supports local or central expansion. This allows additional compatible I/O modules to be added when the integrated I/O capacity is not sufficient for the application. ABB documentation lists support for up to six central extension units for the Series 40 basic units.
🔌 Integrated I/O
The ABB 07CR41 includes integrated digital inputs and relay outputs.
Digital Inputs
The controller provides:
- 8 digital inputs
- Nominal input voltage of 24 VDC
- PNP and NPN signal compatibility
- Electrical isolation
The inputs can be used for signals from devices such as:
- Push buttons
- Selector switches
- Limit switches
- Proximity sensors
- Photoelectric sensors
- Pressure switches
- Auxiliary contacts
Relay Outputs
The 07CR41 includes:
- 6 integrated relay outputs
- Maximum output rating of 250 VAC / 2 A
Typical output applications include:
- Contactors
- Solenoid valves
- Alarm circuits
- Indicator lamps
- Interposing relays
- Motor control circuits
Always verify the actual load characteristics before connecting an inductive or high-inrush load directly to the relay outputs.
🌐 Communication
The integrated RS-232 interface can be used for:
- Controller programming
- ASCII communication
- MODBUS communication
This allows the controller to exchange information with compatible industrial devices and programming systems.
The exact communication configuration depends on the installed application and system setup. ABB technical documentation identifies the RS-232 interface as the standard communication interface for the 07CR41 Series 40 controller.
🏭 Typical Applications
The ABB 07CR41 can be found in compact industrial automation systems, including:
- Machine control
- Packaging equipment
- Material handling systems
- Conveyor systems
- Building automation
- Process auxiliary systems
- Water and wastewater equipment
- Manufacturing machinery
- Pump control systems
- Legacy ABB automation systems
Because the AC31 platform is now a legacy product family, this model is particularly useful for maintaining existing installations where replacing the complete control system is not immediately practical.
🛠️ Installation Guidelines
Before installing or replacing an ABB 07CR41 controller:
- Disconnect system power according to the approved equipment procedure.
- Verify the complete part number: 1SBP260020R1001.
- Confirm that the replacement unit is the 24 VDC version.
- Record the existing wiring configuration.
- Back up the application program if possible.
- Check the input and output wiring.
- Inspect the power supply for correct voltage.
- Verify relay load requirements.
- Check RS-232 communication wiring.
- Install the controller securely.
- Restore power and perform functional testing.
The controller should be installed and commissioned only by personnel familiar with industrial control systems and the applicable AC31 programming environment.
🔍 Maintenance and Inspection
Before installing a used or surplus controller, inspect:
- Housing condition
- Terminal blocks
- DIN rail mounting mechanism
- Power terminals
- Input and output terminals
- Communication connector
- Labels and part numbers
- Signs of overheating
- Corrosion
- Cracked housing
- Damaged terminal screws
Keep spare controllers in suitable ESD-safe and moisture-protected storage conditions.
🔄 Compatibility Notes
The safest replacement identification is:
ABB → 07CR41 → 1SBP260020R1001
The 07CR41 model family includes versions with different power supplies. For example, ABB documentation distinguishes the 24 VDC 07CR41 from the 120/230 VAC version, which uses a different order number. Therefore, the full order number should always be matched before replacement.
Before purchasing a replacement, compare:
- Complete order number
- Power supply version
- Input configuration
- Output configuration
- Expansion modules
- Installed program
- Communication configuration
- Firmware and system requirements
❓ Common Questions & Answers
❓ What is ABB 1SBP260020R1001?
It is the ABB order number for the 07CR41 24 VDC Advant Controller 31 basic unit, a compact programmable logic controller with integrated digital inputs and relay outputs.
❓ How many inputs does the 07CR41 have?
The 1SBP260020R1001 version includes 8 integrated isolated digital inputs rated for 24 VDC signals.
❓ How many outputs does it have?
It includes 6 integrated relay outputs rated up to 250 VAC / 2 A.
❓ What communication interface does it use?
The 07CR41 provides an RS-232 interface for programming, ASCII communication, or MODBUS communication.
❓ What programming software is used?
ABB states that AC31 Series 40 and 50 controllers use the AC31GRAF programming environment, developed in accordance with IEC 61131-3.
❓ Is the ABB AC31 platform still in production?
ABB identifies the AC31 and previous PLC series as obsolete and states that they were replaced by the AC500 PLC platform.
❓ Can another 07CR41 replace this controller?
Only if the complete hardware and power-supply configuration matches. The order number 1SBP260020R1001 identifies the 24 VDC version and should be matched carefully.
🧩 Recommended Related ABB Models
- ABB 07CR41 1SBP260020R1001
- ABB 07CR41 1SBP260021R1001
- ABB 07CT41 1SBP260022R1001
- ABB 07CR42 1SBP260023R1001
- ABB 07CR42 1SBP260024R1001
- ABB 07CT42 1SBP260025R1001
- ABB 07KR51 1SBP260010R1001
- ABB 07KR51 1SBP260011R1001
- ABB 07KT51 1SBP260012R1001
- ABB AC500 PLC Series
📌 Product Identification
Brand: ABB
Model: 07CR41
Order Number: 1SBP260020R1001
Series: Advant Controller 31
Product Name: Programmable Logic Controller Basic Unit
Power Supply: 24 VDC
I/O: 8 Digital Inputs / 6 Relay Outputs
Communication: RS-232
🏷️ Recommended Short Title
ABB 1SBP260020R1001 | 07CR41 Programmable Logic Controller
🔍 Short Product Description
The ABB 1SBP260020R1001 07CR41 is a 24 VDC programmable logic controller from the Advant Controller 31 Series 40 platform. It integrates 8 isolated 24 VDC digital inputs, 6 relay outputs rated up to 250 VAC / 2 A, and an RS-232 interface for programming, ASCII communication, or MODBUS communication. The controller is centrally extensible and is commonly used for maintaining legacy ABB AC31 automation systems.
