Product overview The DC5xD MK3 series are genset controllers designed for automatic start, stop, parameter monitoring, fault detection, and configuration for diesel, gasoline, and gas generator sets. Available models: DC50D MK3, DC52D MK3, DC50DR MK3, DC52DR MK3. Key benefits Clear real time status and faults: 3.5 inch resolution LCD and UI indicators show parameters and multiple simultaneous faults for fast diagnosis. Flexible configuration: set parameters from the front panel or configure remotely via USB or RS485 using MODBUS protocol. Scalable for different installations: singlemachine control, mains monitoring with AMF automatic transfer, and models with RS485 for remote communications. Robust control logic: dual core 32 bit microcontroller provides stable monitoring and responsive control for automated genset operation. Main features Four model options: DC50D MK3: single genset automation, start and stop via remote start signal. DC52D MK3: adds mains monitoring and AMF mains/generator automatic switching. DC50DR MK3: DC50D MK3 with RS485 communication port. DC52DR MK3: DC52D MK3 with RS485 communication port. 3.5 inch 240 by 128 pixel LCD with simulated indicators and numeric display. UI supports up to six languages; additional languages available on request. Dual core 32 bit performance microcontroller for reliable control and monitoring. USB port for parameter setting and real time monitoring; parameters can be loaded via USB even when the controller is unpowered. RS485 port for MODBUS communications and Three Remote functions for remote monitor, remote control, and remote setting. Real time clock for scheduled operations and timed events. Acrylic screen protector and silicone front panel for durable operation in control installations. Direct display of input and output status and a wide range of configurable parameters. Automatic shutdown if the genset cannot operate smoothly, with simultaneous display of multiple faults. Technical and functional notes Functions: automatic start/stop, mains monitoring, AMF automatic switching (on DC52D and DC52DR), fault diagnosis and display, parameter logging and configuration. Interfaces: front panel buttons for local operation, USB for PC configuration and monitoring, RS485 for networked control and MODBUS. Materials: acrylic screen protection and silicone front panel for tactile control. Display: 3.5 inch color LCD, 240 by 128 resolution, simulated gauges and text readouts. Use scenarios Commercial backup power: automate a standby diesel genset for a small office building with auto start on mains failure and timed exercise cycles using the real time clock. Industrial genset control: integrate into a factory power system using the DC52D MK3 or DC52DR MK3 for mains monitoring and automatic transfer between mains and generator. Remote site power monitoring: control and monitor a telecom or temporary construction site genset remotely via RS485 and MODBUS, using Three Remote functions to read status and change settings. Compatibility Designed for diesel, gasoline, and gas generator sets and for integration into common genset automation schemes. Select the appropriate model for required mains monitoring and communication capabilities. Why this controller Provides clear onsite information with a resolution screen and intuitive UI. Offers flexible setup options locally or remotely via USB or RS485. Available model options cover single genset automation, AMF transfer applications, and networked remote monitoring needs. Included model references: DC50D MK3, DC52D MK3, DC50DR MK3, DC52DR MK3.