Overview: This document provides a comparison of Horner Automation's 4”
PLC/
HMI products, focusing on communications, physical specifications, operating specifications, controller capabilities, HMI features, and built-in I/O options.
Communications: The products feature Ethernet ports with 10/100 Mbps speed, CAN ports, and serial ports with RS-232 and RS-485 connections. USB support varies, with some models supporting data storage, USB cameras, and WiFi.
Physical Specifications: Dimensions and environmental ratings are provided, with all models rated IP65 and Type 4X. Operating temperatures range from -10C to 60C, with some models offering extended temperature ranges with additional options.
Controller Capabilities: The ladder logic memory ranges from 512kB to 2MB, with logic scan rates from 0.4 ms/K to 0.02 ms/K. PID loops supported range from 8 to 64, and general-purpose registers and internal coils vary significantly between models.
HMI Features: Display sizes and resolutions differ, with options for virtual or physical function keys. The number of total screens and objects per screen also varies, with some models offering enhanced graphics.
Built-in I/O: I/O expansion options include OCS-I/O, SmartStix, SmartRail, SmartMod, and SmartBlock. Digital and analog input/output capacities differ, with high-speed input and output modes available for specific applications.
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