C-More EA9 – FAQ

Q: What is a C-More EA9 HMI?

A: C-More EA9 HMI is a Human-Machine Interface (HMI) device used in industrial automation applications to provide a graphical user interface (GUI) for controlling and monitoring machinery and equipment.

Q: What are the key features of the C-More EA9 HMI?

A: Some key features of the C-More EA9 HMI include a high-resolution touchscreen display, support for multiple communication protocols, a web server, email sending, data logging, trending capabilities, and support for remote access and control.
C-More EA9 Communication Features

Q: What communication protocols are supported by the C-More EA9 HMI?

A: The C-More EA9 HMI supports many communication protocols, including Ethernet/IP, Modbus TCP/IP, and Allen-Bradley DF1.

Here’s the list of all currently supported PLC Protocols:

ALL AutomationDirect PLCs:

  • K-Sequence (DL05/06/105/205/350/405)
  • DirectNET (DL05/06/105/205/350/405)
  • DirectNET (DL330/340)
  • Modbus (DL05/06/205/350/405)
  • Modbus (CLICK)
  • ECOM Ethernet (DL05/06/205/405) Ethernet
  • Productivity Serial
  • Productivity Ethernet
  • Do-more Serial
  • Do-more Ethernet
  • GS Drives Serial
  • GS Drives TCP/IP (GS-EDRV)
  • SOLO Temperature Controller


  • Modbus RTU
  • Modbus TCP/IP Ethernet


  • AB DF1 Full Duplex (MicroLogix)
  • AB DF1 Full Duplex (SLC500)
  • AB DF1 Full Duplex (PLC5)
  • AB DF1 Full Duplex Tag-Based (Control/CompactLogix/FlexLogix)
  • AB DF1 Half Duplex (MicroLogix/SLC500)
  • AB DF1 Half Duplex Tag-Based (Control/CompactLogix/FlexLogix)
  • AB DH485 (MicroLogix/SLC500/AIC)
  • AB EtherNet/IP Client (MicroLogix 1100/1400)
  • AB EtherNet/IP Client (SLC5/05/ENI Adapter)
  • AB EtherNet/IP Client Tag-Based (Control/CompactLogix/FlexLogix)
  • AB EtherNet/IP Server Generic IO Messaging (Control/CompactLogix/FlexLogix)

Entivity PC-Based Control:

  • Modbus RTU (H2-WinPLC)
  • Modbus TCP/IP Ethernet (H2-WinPLC)


  • S7-200(Serial: PPI)
  • S7-200(Ethernet: ISO over TCP/IP)
  • S7-300(Ethernet: ISO over TCP/IP)


  • 90/30 SNPX (90/30, 90/70, Micro90, VersaMax Micro)
  • STRP Ethernet (90/30, Rx3i)


  • FX Series CPU
  • Q Series (Q02, Q02H, Q06H, Q12H, Q25H CPU)
  • Q/QnA Serial
  • Q/QnA Ethernet
  • Q Series (Q02, Q02H, Q06H, Q12H, Q25H CPU)


  • Host Link Adapter (C200/C500)
  • FINS Serial (CS/CJ)
  • FINS Ethernet (CS/CJ)

Q: Can I connect multiple C-More EA9 HMIs to a single controller?

A: Multiple C-More EA9 HMIs can be connected to a single controller using Ethernet communication.

Q: What programming software is used to create applications for the C-More EA9 HMI?

A: The C-More EA9 HMI can be programmed using the free C-More programming software, which provides a graphical interface for designing and configuring HMI screens, setting up communication protocols, and adding data logging and trending functionality.
The C-more Online Library will contain additional objects, graphics, and audio files you can use with your HMI.

Q: How can I troubleshoot issues with my C-More EA9 HMI?

A: If you experience issues with your C-More EA9 HMI, refer to the troubleshooting section in the user manual, contact technical support for assistance, or use the built-in diagnostic tools in the programming software to identify and resolve issues.

Q: Can the C-More EA9 HMI be used in harsh industrial environments?

A: Yes, the C-More EA9 HMI is designed to withstand harsh industrial environments and is rated for use in temperatures ranging from;

  • 0 to 50°C [32 to 122°F] operating temperature range
  • NEMA 4/4X, IP65 compliant when mounted correctly, indoor use only

Q: What types of applications can the C-More EA9 HMI be used for?

A: The C-More EA9 HMI can be used for various industrial automation applications, including control and monitoring manufacturing processes, data acquisition and analysis, and equipment and machinery control.

Q: How can I get more information about the C-More EA9?

A: AutomationDirect provides various support resources for the Do-More PLC, including technical documentation, online forums, and a knowledgeable technical support team.

C-More EA9 Panels from Automation Direct

C-More – Graphic Panel (EA9 Series) User Manual and Quick Start Guides
EA9-T10CL C-More Specifications
C-More EA9 Programming Software (Current Version V6.42)
This software will enable you to program all C-More EA9 HMI units. It includes a simulator for your application.