ABB Triguard SC300E MSR04XI

ABB Triguard SC300E MSR04XI

technical specification

Communication Specifications: Serial RS232 communication standard with 4 communication ports (Port 0 - 3) and 1 port for diagnostics only. Ports 0 - 3 support baud rates of 9600 or 19200 Baud, and ports 2 and 3 must be set to the same rate. The isolation of each port is up to 1kV, which can effectively prevent signal interference and ensure communication stability. The communication port adopts full-duplex mode, which can send and receive data at the same time, and the maximum communication rate is 19200 Baud, which meets the system's requirements for data transmission speed.

Physical Specifications: The module is a 9U high printed circuit board (PCB) with integrated front panel and front and rear connectors. A plug-in daughter board carries the RS232 interface circuitry. The overall dimensions are 400 (9U) H x 397L x 28W (approx. 15.75H x 15.63L x 1.1W in.) and the weight is 1.3 kg. Mechanical coding blocks prevent the module from being inserted into the wrong slot and ensure accurate installation. 9 links are provided on the PCB, with each link having its own function, e.g., LK2 is used for module ID identification and must always be installed; LK3 is used for the 3 - 2 - 1 or 3 - 2 - 2 - 2 module. - LK3 for 3 - 2 - 1 or 3 - 2 - 0 operation mode setting, factory hardwired; LK4 for daughter board clock speed setting.

Environmental specifications: Operating temperature range of + 5°C to + 60°C, storage temperature range of - 25°C to + 70°C. Relative humidity requirements are between 5% and 95% and non-condensing at ambient temperatures below 40°C. The module has been tested and conforms to IEC 1131 and IEC 1131. Tested and compliant with IEC 1131 - Part 2 1994 standards for electromagnetic interference (EMC/RFI) immunity, as well as vibration and shock resistance.

Other specifications: The microcontroller is from the Intel family. The power consumption of the module is 3.5W, powered by dual redundant SC300E power supply units, with independent power supplies for the optical isolators and interfaces of the communication ports. It supports single-slot hot-repair and has a switch on the front panel for requesting the module to go offline. The front panel is also equipped with Tx, Rx, Health, and 3 On Line indicators to show the module's working status.

Purpose: Provides a serial interface between the SC300E system and RS232-C compliant remote devices. At least one of these modules needs to be installed in Slot 10 of the main chassis to enable communication between the system processor and workstations for loading application software, monitoring ladder diagrams, and diagnostic functions. Additional modules can be installed in other I/O slots, with mechanical coding blocks to prevent misplacement.

Principle of operation: Data is fed into and out of the module via chassis backplane connector J1 and isolated from the MPP via the bus transceiver. When sending data, it is first loaded into the dual-port RAM, and then serialised and sent after 2 - oo - 3 votes; when receiving data, it is converted to parallel form by USART and written into the dual-port RAM, and then read by MPP. The communication port is an RS232 interface in full-duplex mode at a maximum rate of 19200 Baud, isolated from the module circuitry by an opto-isolator, and can drive a modem or line driver.

Maintenance and Service: Modules contain static-sensitive components and need to be shipped and stored in their original packaging. Failed modules are not repaired in the field and should be returned for service. Troubleshooting is performed using a TriBuild workstation and the faulty module health LED will go out. Take the module offline before removing it and take care to align the markings when inserting a new module. The module does not require preventative maintenance and spare parts and technical support are available from your local office.