Panel Meters - Accessories

Part Number	Description / PDF	Quantity
2902078 Phoenix Contact	MOUNTING ADAPTER EEM-MA400/600	49
2901371 Phoenix Contact	OPTION CARD I/O EEM-MA600 SERIES	454
2901370 Phoenix Contact	OPTION CARD MEMORY EEM-MA600 9V	0
2901374 Phoenix Contact	OPTION CARD COMM EEM-MA600 9VDC	0
2901365 Phoenix Contact	OPTION CARD COMM EEM-MA400 9VDC	0
2901367 Phoenix Contact	OPTION CARD COMM EEM-MA600 9VDC	0
2901475 Phoenix Contact	OPTION CARD OUTPUT EEM-MA600 9V	0
2901949 Phoenix Contact	OPTION CARD INPUT EEM-MA600 9VDC	0
2901418 Phoenix Contact	OPTION CARD COMM EEM-MA600 9VDC	0
2901373 Phoenix Contact	OPTION CARD COMM EEM-MA600 9VDC	24
2901368 Phoenix Contact	OPTION CARD COMM EEM-MA600 9VDC	0

Panel Meters - Accessories

1. Overview

Panel meters and their accessories are critical components in industrial automation systems, enabling precise measurement, monitoring, and control of electrical and process variables. Accessories enhance functionality, durability, and integration capabilities of panel meters in complex environments. Their importance lies in optimizing operational efficiency, ensuring safety, and enabling data-driven decision-making in modern industrial applications.

2. Main Types and Functional Classification

Type	Functional Features	Application Examples
Mounting Brackets	Secure meter installation in control panels	Factory automation lines
Protective Covers	Dust/waterproof protection (IP65+)	Outdoor substation equipment
Signal Conditioners	Convert analog signals to standardized outputs	Temperature monitoring systems
Communication Modules	Enable Modbus, Profibus, or Ethernet connectivity	Smart grid control cabinets
Power Adapters	AC/DC voltage conversion for meter operation	Industrial HVAC systems

3. Structure and Components

Typical accessories consist of: - Mechanical housing: Polycarbonate or metal alloys with corrosion resistance - Electrical interfaces: Screw terminals, spring clamps, or quick-connect plugs - Electronic circuits: Signal processing and isolation components - Environmental protection: Sealing gaskets and UV-resistant coatings - Mounting systems: DIN rail adapters or panel cutout supports

4. Key Technical Specifications

Parameter	Significance
Measurement Accuracy ( 0.1% to 2%)	Determines data reliability for process control
Operating Temperature (-40 C to +85 C)	Ensures performance in extreme environments
Protection Rating (IP65/IP67)	Defines resistance to dust and liquid ingress
Electrical Isolation (2kV-4kV)	Guarantees operator safety and equipment protection
Communication Protocol Compatibility	Enables system integration with PLC/SCADA networks

5. Application Fields

Manufacturing: Assembly line sensors and motor controls
Energy: Substation monitoring and renewable energy inverters
Process Industry: Chemical reactor parameter control
Building Automation: Smart lighting and HVAC systems
Medical Equipment: Diagnostic device calibration modules

6. Leading Manufacturers and Products

Manufacturer	Representative Products
Siemens	7ME multifunction panel meters with accessories kit
Honeywell	UOP series signal converters with HART protocol
Omron	K7AK-PJ programmable display modules
Schneider Electric	Powertag Link communication adapters

7. Selection Recommendations

Key considerations include: - Environmental conditions (temperature, humidity, vibration) - Compatibility with existing control systems (voltage levels, communication standards) - Required measurement range and update frequency - Regulatory certifications (CE, UL, RoHS) - Future expansion needs for IIoT integration

8. Industry Trends

Current developments include: - Smart accessories with embedded IoT capabilities for predictive maintenance - Miniaturization while maintaining IP67 protection ratings - Wireless connectivity (Bluetooth/Zigbee) integration - AI-powered self-calibration features - Increased adoption of open industrial protocols (OPC UA)