Overview: The document provides detailed information about Prizm Keypad-based Human-Machine Interfaces (HMIs) by Renu Electronics. These interfaces are designed for simplified automation with features like backlit LCD displays, programmable LED indications, and optional real-time clocks. They support dual serial ports for PLC and printer connections, and are compatible with various open protocols including Modbus RTU.
Specifications: The Prizm HMIs come in various models, each with specific display sizes, key configurations, and power requirements. They are designed to operate at 24 V DC with an IP65 rated keypad, suitable for operating temperatures between 0 to 50°C and storage temperatures from -20 to 80°C. The devices are CE and UL certified, ensuring compliance with international standards.
Connectivity and Compatibility: Prizm interfaces can connect directly to PLC programming terminals and support multiple PLC connections from a single operator panel. They are compatible with floating point data formats, recipes, and multiple data entry objects per screen. The document lists numerous PLC models and the corresponding cables required for connection.
Applications: Prizm units are versatile and can be used in various industrial applications. Typical configurations include multiple PLCs connected to one Prizm interface or multiple Prizm interfaces connected to a single PLC. They also support analog
I/O modules for enhanced functionality.
Programming and Software: The Prizm family uses a common programming software that is free for users. This software allows configuration of tasks, alarms, screens, and key actions. It supports up to 256 alarms and provides a comprehensive tag database for monitoring and control.
Models and Features: The document compares various Prizm models, detailing their dimensions, display types, key numbers, LED indicators, and power options. Some models offer vacuum fluorescent displays and gray casing options. The document emphasizes the availability of custom drivers and units upon request.
Standards and Certifications: The Prizm interfaces adhere to several immunity standards, including ESD, fast transients, radiated electromagnetic fields, and conducted disturbances. They also meet surge and radiated emission standards, ensuring robust performance in industrial environments.