Description

ABB 500MBA02 (Order number 1MRB200053/M) is a memory expansion module for ABB AC500 series PLCs. Its core function is to expand the program and data storage capacity for AC500 controllers, suitable for handling complex programs or large amounts of data in industrial automation scenarios. Below is all the product information:

1. Basic InformationBrand: ABBModel: 500MBA02Order Number: 1MRB200053/MProduct Series: AC500 Series (compact modular PLC system suitable for mid-to-low-end industrial control scenarios)Product Type: Memory Expansion Module (not a standalone control module, must be used with AC500 series CPU modules)Core Purpose: To address the insufficient built-in memory of AC500 CPUs, expanding program storage (for storing PLC programs) and data storage (for caching operational data, historical records, etc.).

2. Core Technical Parameters1. Storage Capacity (Core Parameters)Program Storage Expansion: Supports up to 8MB of Flash memory (used to store user-written PLC programs, such as ladder diagrams, function block diagrams, etc.), meeting the storage needs for complex control logic programs.Data Storage Expansion: Supports up to 32MB of RAM (used for temporarily caching running data, intermediate variables, process parameters, etc.), reducing the operating pressure on the CPU’s built-in memory.Storage Medium Characteristics: Flash memory supports data retention without power (no additional battery required), while RAM depends on the CPU module or external power supply to maintain data (if power-off retention is needed, a battery module is required).

2. Electrical ParametersPower Supply: No independent power interface. Power is drawn from the CPU module or power module through the backplane bus of the AC500 series PLC, no additional wiring required.Operating Voltage: Provided by the backplane bus, compatible with the AC500 system standard power supply (typically 24V DC, same as the CPU module power).Power Consumption: Typical value ≤ 1.5W (low-power design, does not add extra total system energy consumption).

3. Compatibility ParametersCPU Model Adaptation: Compatible only with CPU modules of the ABB AC500 series PLCs, such as mainstream models PM554, PM564, PM573, etc. (ensure CPU firmware version ≥ V2.0 to guarantee compatibility).Communication Interface: No external independent communication interface; data exchange is achieved via the backplane bus with the CPU module (transmission rate consistent with the backplane bus, typical value 100Mbps, without delay).

3. Functional FeaturesPlug and Play, No Complex Configuration Required: After the module is installed on the AC500 backplane, the CPU automatically recognizes the memory expansion module, without the need for manual parameter settings. It can be used immediately after powering on, reducing debugging difficulty.Independent Dual Storage Expansion: Separately expands Flash (program) and RAM (data), preventing program storage and data storage from occupying each other’s space, and improving CPU running efficiency (particularly suitable for multitasking and large data control scenarios).High Reliability Design: Uses industrial-grade storage chips, supporting over 100,000 erase/write cycles, and the program in Flash memory is retained after power-off, reducing the risk of program damage due to power failures.Modular Compatibility: Appearance is consistent with other AC500 series modules (such as digital I/O and analog I/O modules), can be installed on the same rail together, facilitating system integration and maintenance (no need to adjust installation position when replacing modules).

4. Application ScenariosComplex Program Control Scenarios: Such as multi-station linkage control on production lines (requiring storage of a large number of function block programs), scenarios with numerous equipment process parameters (e.g., food packaging machines, machine tool machining centers), where additional program storage capacity is needed.Large Data Processing Scenarios: Such as recording operational data of industrial equipment (requiring caching of historical parameters like temperature and pressure), batch data collection (e.g., simultaneous monitoring with multiple sensors), where additional data storage capacity is required.AC500 System Upgrade Scenarios: When the existing AC500 PLC cannot add new functions due to insufficient memory, the system can be upgraded simply by installing this memory expansion module without replacing the CPU module, reducing system upgrade costs.