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Technical Specifications and Module Design
This PLC module serves as a compact programmable controller for ABB Procontic systems. The ABB 07PS41 executes logic programs for machine and process control applications. You can install this module into any standard Procontic rack slot position. Its integrated design combines processor, memory, and I/O in one unit. The module weighs approximately 0.78 kilograms. Its dimensions measure 27 cm in height, 23 cm in width, and 21 cm in depth.
| Parameter | Specification |
|---|---|
| Brand | ABB |
| Model | 07PS41 |
| Category | PLC Module / Procontic Programmable Controller |
| Weight | 0.78 kg |
| Height | 27 cm |
| Width | 23 cm |
| Depth | 21 cm |
| Processor Type | 16-bit microcontroller |
| Program Memory | 16 KB (EPROM) |
| Data Memory | 4 KB (battery-backed RAM) |
| Digital Inputs | 8 points (24V DC) |
| Digital Outputs | 6 points (transistor, 0.5A) |
| Analog Inputs | 2 channels (0-10V DC) |
| Timer/Counter Capacity | 32 each (software configurable) |
| Scan Time | 1.2 milliseconds per 1K instructions |
| Programming Language | Ladder diagram |
| Energy Storage | Lithium battery for RAM backup |
| Component Count | Single PCB with CPU, memory, and I/O circuits |
Processing Capabilities and Memory Structure
The module executes user programs with deterministic scan cycle timing. The onboard EPROM stores the application program permanently without battery. The ABB 07PS41 uses battery-backed RAM for data memory retention. You can program the module using ladder logic exclusively. The module includes built-in timers, counters, and math functions. A green LED indicates proper processor operation and program execution. The module performs self-diagnostics at every power-up automatically.
Integrated I/O and Field Connections
The module provides eight digital inputs for connection to sensors and pushbuttons. It also includes six transistor outputs for driving solenoids and relays. The ABB 07PS41 offers two analog inputs for potentiometers or simple transducers. Each input and output has a dedicated status LED for troubleshooting. The I/O circuits include optical isolation from the processor logic. A removable terminal strip simplifies field wiring replacement. The module supports both sinking and sourcing input configurations.
Installation and Operational Guidelines
You must insert this module into any standard Procontic rack slot position. The backplane supplies 5V and 24V DC power to the module automatically. The ABB 07PS41 draws approximately 300 mA from the 5V supply rail. The lithium battery retains RAM data for up to three years without power. You should replace the battery every five years for reliable operation. The module stores no program in RAM when you remove the battery. Therefore, keep the application backup on your programming computer. The operating temperature ranges from 0°C to 55°C.