Human Machine Interface (HMI)

Human Machine Interface (HMI) - Accessories

Part Number	Description / PDF	Quantity
CGCAPC380 Carlo Gavazzi	CABLE ASSEMBLY PC ETHERNET 2 MTS	2
CGHIO075 Carlo Gavazzi	REPLACEMENT PARTS I/O BRD HMI750	0
CGHNET6 Carlo Gavazzi	OPTION CARD COMM ETHERCAT	0
CGHIO073 Carlo Gavazzi	REPLACEMENT PARTS I/O BRD HMI730	0
CGHNET3 Carlo Gavazzi	OPTION CARD COMM DEVICENET	0
CGHIO045 Carlo Gavazzi	REPLACEMENT PARTS I/O BRD HMI450	0
CGHBL155 Carlo Gavazzi	REPLACEMENT PARTS BACKLIT BOARD	0
CGHMA045 Carlo Gavazzi	REPLACEMENT PARTS MAIN BD HMI450	0
CGHMA155 Carlo Gavazzi	REPLACEMENT PART MAIN BD HMI1550	0
CGHNET5 Carlo Gavazzi	OPTION CARD COMM CANOPEN	0
CGHDP105 Carlo Gavazzi	REPLACEMENT PARTS DISLAY BRD HMI	0
CGHCB105 Carlo Gavazzi	REPLACEMENT PARTS CONN BRD HIM	0
CGHMA073 Carlo Gavazzi	REPLACEMENT PARTS MAIN BD HMI730	0
CGHMA075 Carlo Gavazzi	REPLACEMENT PARTS MAIN BD HMI750	0
CGHMA105 Carlo Gavazzi	REPLACEMENT PART MAIN BD HMI1050	0
CGHPM752 Carlo Gavazzi	POWER SUPPLY 24VDC PWR SUP 730	0
CGHSB075 Carlo Gavazzi	REPLACEMENT PARTS SND BRD HMI	0
CGHSB0105 Carlo Gavazzi	REPLACEMENT PARTS SND BRD HMI	0
CGHNET2 Carlo Gavazzi	OPTION CARD COMM PROFINET	0
CGHNET1 Carlo Gavazzi	OPTION CARD COMM PROFIBUS	0

Human Machine Interface (HMI) - Accessories

1. Overview

HMI accessories are peripheral components that enhance the functionality, usability, and durability of Human Machine Interfaces in industrial automation systems. These accessories act as bridges between operators and machinery, enabling efficient data visualization, control, and monitoring. With Industry 4.0 advancements, HMI accessories have become critical for real-time decision-making, process optimization, and ensuring operational safety.

2. Major Types and Functional Classification

Type	Functional Features	Application Examples
Touch Screen Panels	Capacitive/resistive touch, multi-touch support, glove/liquid tolerance	Assembly line control systems
Industrial Keyboards & Mice	Dust/waterproof design, programmable keys, ruggedized construction	Control rooms in power plants
Display Mounting Kits	VESA-compatible, swivel/tilt adjustment, vibration-resistant	Mobile machinery operator stations
Communication Adapters	Protocols: Profibus, Modbus, EtherCAT, wireless (Bluetooth/Wi-Fi)	Legacy system integration
Protective Covers & Bezels	Anti-glare surfaces, impact-resistant materials, EMI shielding	Outdoor/chemical processing environments

3. Structure and Components

Typical HMI accessories combine mechanical and electronic elements:

Touch Interface: Projected capacitive sensors with 5-wire resistive backup
Connectivity Layer: Dual-port Ethernet, USB 3.0, RS-485 interfaces
Processing Unit: ARM Cortex-A9 processors (800MHz-1.2GHz range)
Display Technology: LED-backlit LCD with 1000:1 contrast ratio
Enclosure: Die-cast aluminum housing with IP67 protection rating

4. Key Technical Specifications

Parameter	Importance
Screen Brightness (cd/m )	Ensures visibility in high-light environments (>1000 cd/m recommended)
Touch Accuracy ( mm)	Impacts control precision ( 1mm typical for industrial use)
Operating Temperature (- C to + C)	Determines suitability for extreme environments (-20 C to 70 C standard range)
Vibration Resistance (g-force)	Prevents failure in heavy machinery applications (5g minimum requirement)
MTBF (Hours)	Reliability indicator ( 50,000 hours expected lifespan)

5. Application Fields

Key industries utilizing HMI accessories include:

Manufacturing: CNC machine control panels
Energy: SCADA system operator interfaces
Pharmaceuticals: GMP-compliant batch process stations
Transportation: Train control monitoring systems
Food & Beverage: Washdown-compliant HMI enclosures

6. Leading Manufacturers and Representative Products

Manufacturer	Product Series	Key Features
Siemens	SIMATIC HMI Comfort Panels	16M color display, Profinet interface, TIA Portal integration
Honeywell	Experion PKS HMI	Dual-display support, redundant system architecture
Mitsubishi Electric	GOT2000 Series	Memory card expansion, built-in PLC function blocks

7. Selection Recommendations

Key considerations during selection:

Environmental factors: Temperature extremes, chemical exposure
Compatibility: Existing PLC/DCS communication protocols
User requirements: Screen size vs. interaction complexity
Maintenance needs: Replaceable bezel design, IP rating
Total Cost of Ownership: Warranty period, spare parts availability

8. Industry Trends

Emerging developments include:

AI-powered predictive maintenance interfaces
Wireless HMI solutions with sub-10ms latency
AR-enhanced visualization systems
Edge computing integration for real-time analytics
Modular designs for rapid system reconfiguration