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1. Connection Configuration
2. Communication Settings
3. Supported Devices

## Connection Configuration

NOTE

- Use Straight cables for Ethernet cables.
  Crossing cables can also be used for connecting the External Device with the Display directly using an Ethernet cable.
- Since the Universal Model QCPU (Q03UDCPU, Q04UDHCPU, Q06UDHCPU, Q10UDHCPU, Q13UDHCPU, Q20UDHCPU, Q26UDHCPU) cannot be directly connected to the Display, use it with a Multi CPU System.
- Since the High Performance model QCPU (Q02CPU, Q02HCPU, Q06HCPU, Q12HCPU, Q25HCPU) cannot be directly connected to the Display, use it with a Multi CPU System.
- Since the motion CPU (Q172DCPU, Q173DCPU) cannot be directly connected to the Display, use it with a Multi CPU System.

- 1:1 Connection

<HUB Connection>

<Direct Connection>

- 1:n Connection

NOTE

- Maximum number of External Devices is 64.

- n:1 Connection

NOTE

- Maximum number of Displays is 16.

- For UDP communication, make settings so that two or more Display units will not start communication all at once.
  If communication starts all at once, the communication processing load becomes large and as a result, communication cannot be made normally.
  Please check the followings.
  When starting the system, start the External Device and then start the Display.

- n:m Connection

NOTE

- Maximum number of Displays is 16.

- Maximum number of External Devices is 64.

- For UDP communication, make settings so that two or more Display units will not start communication all at once.
  If communication starts all at once, the communication processing load becomes large and as a result, communication cannot be made normally.
  Please check the followings.
  When starting the system, start the External Device and then start the Display.

- Multi-CPU System

NOTE

- For the CPU unit numbers, the number "1" is assigned to the CPU slot, and any subsequent units are aligned to the right and assigned "2", "3", "4", in order.

- The multi-CPU system enables you to access a CPU that is not directly connected.
  For External Devices that can be used in a multi-CPU system, refer to the External Device manual.

## Communication Settings

Examples of communication settings of the Display and the External Device, recommended by Pro-face, are shown.

WARNING

UNINTENDED EQUIPMENT OPERATION

Read and understand the instructions in this section to ensure data is properly transferred.

## Supported Devices

Range of supported device address is shown in the table below. Please note that the actually supported range of the devices varies depending on the External Device to be used. Please check the actual range in the manual of your External Device.

WARNING

UNINTENDED EQUIPMENT OPERATION

- Do not simultaneously write to the same register from Display and External Device program.
- Do not write 16-bit word values to registers being accessed in a bitwise manner.