| Manufacture | ABB |
| Item No | SC520M |
| Article number | 3BSE016237R1 |
| Series | Advant OCS |
| Origin | Sweden |
| Dimension | 73*233*212(mm) |
| Weight | 0.5kg |
| Customs Tariff Number | 85389091 |
| Type | Submodule Carrier |
The SC520M is a modular submodule carrier, which means it is designed to hold and organize the various I/O and communication modules in an ABB 800xA system. It acts as a physical interface, providing the connections and power required to support these modules. Similar to other submodule carriers such as the SC510, the SC520M does not contain a CPU. CPU functions are handled by other modules, such as the CP530 or CP530 800xA controller. Therefore, the SC520M focuses on holding and organizing the I/O modules, ensuring they can communicate effectively with the central control system. Once the SC520M is installed, the various I/O or communication submodules can be plugged into the carrier's slots. These modules are hot-swappable, which means they can be replaced or installed without shutting down the system power.Frequently asked questions about the product are as follows: -What is the ABB SC520M 3BSE016237R1 submodule carrier? The ABB SC520M 3BSE016237R1 is a submodule carrier used in the ABB 800xA distributed control system (DCS). It provides the infrastructure to house the various I/O and communication modules. It does not contain a CPU itself, which means it acts as a platform to connect multiple submodules to the system's central control unit. -What is the purpose of the SC520M submodule carrier? The SC520M acts as a physical and electrical interface between the central control system and the various submodules it supports. Its main role is to house and connect modules that extend the functionality of the ABB 800xA DCS, enabling more I/O channels or communication interfaces as required. -What types of modules can be installed in the SC520M? Digital I/O modules are used for discrete on/off signals. Analog I/O modules are used for continuous signals such as temperature, pressure, etc. Communication modules are used to interface with external devices, remote I/O systems, or other PLCs. Specialized modules are used for motion control, safety systems, etc.