ABB 07PS42 Central Processing Unit: Compact System Control

Core Intelligence for Advant Automation Systems

The ABB 07PS42 functions as the central processing unit within the Advant OCS product family. This module executes application programs and manages real-time control tasks. It coordinates communication between I/O modules and operator interfaces. Engineers trust this unit for continuous industrial process applications.

Detailed Technical Specifications

This section presents the complete technical parameters of the ABB 07PS42. We emphasize precise processing characteristics and memory specifications for accurate system integration. The design prioritizes execution reliability and data integrity.

Specification	Detail
Model Number	07PS42
Manufacturer	ABB
Product Type	Central Processing Unit / CPU Module
Series	Advant OCS
Processor	16-Bit Microcontroller
Program Memory	64 kB EPROM
Data Memory (RAM)	64 kB (Battery-Backed)
Energy Storage	Lithium Battery (3V)
Communication Interfaces	2 x Serial Ports (RS-232)
Power Consumption	3.5 W (Typical)
LED Indicators	Power, Run, Fault, Communication
Operating Temperature	0°C to +55°C

Physical Dimensions & Weight

Accurate physical data supports proper cabinet layout and rack configuration. The ABB 07PS42 maintains a standardized form factor for Advant system compatibility.

• Dimensions (H x W x D): 185 mm x 60 mm x 125 mm

• Weight: 0.46 kg

• Origin: Made in Sweden / Finland (ABB EMEA Manufacturing Facilities)

Memory Architecture and Data Preservation

The central unit features 64 kB of battery-backed RAM for critical data storage. This configuration retains process variables and runtime parameters during power interruptions. A replaceable lithium battery provides the necessary backup energy. Users can replace this battery without losing stored data when following proper procedures.

Processor Capabilities and Execution Performance

A 16-bit microcontroller handles all program execution and I/O processing tasks. The processor manages logic solving and arithmetic operations efficiently. Scan times remain consistent even with complex application programs. Consequently, the module delivers reliable performance for time-critical control loops.

Communication Interfaces and Connectivity

Two independent RS-232 serial ports reside on the module’s front panel. One interface typically handles programming connections for application development. The second port connects to operator panels, SCADA systems, or external devices. Both ports support standard asynchronous communication protocols.

Component Layout and Status Indication

The ABB 07PS42 contains a single PCB assembly with all processing components. Four front-panel LEDs provide comprehensive operational status information. A green Power LED confirms proper supply voltage presence. A Run LED indicates active program execution. A Fault LED illuminates during error conditions. A Communication LED shows serial port activity.

Energy Requirements and Power Management

This control unit draws 3.5 W of power from the system backplane. Internal voltage regulation ensures stable operation of all onboard components. Power consumption remains modest despite the processing capabilities. Users benefit from efficient system design and lower thermal output.

Installation and System Integration

Mounting this module requires a compatible Advant OCS series rack. It occupies the designated CPU slot within the system chassis. Connection to the backplane provides power and I/O communication paths. Configuration occurs through dedicated software tools without hardware jumpers.

Industrial Environment Compatibility

The module operates reliably within a 0°C to +55°C ambient temperature range. It withstands typical industrial electrical noise and vibration conditions. Natural convection cooling handles all thermal dissipation requirements. No additional cooling fans or modifications are necessary.

Manufacturer Quality Standards

ABB manufactures the 07PS42 under strict quality control protocols. Each unit undergoes comprehensive testing for processing integrity and communication functionality. Therefore, users receive a product ready for immediate deployment. This commitment to quality aligns with industrial automation reliability expectations.