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

## Connection Configuration

- 1:1 Connection

- 1:n Connection

NOTE

- Maximum number of External Devices is 64.

- n:1 Connection

NOTE

- The number of Displays you can connect depends on the External Device.
  H Series, MICRO-EH Series: Up to 2 units
  EH-150 Series, EHV Series, Web Controller: Up to 4 units.

- n:m Connection

NOTE

- The number of Displays you can connect depends on the External Device.
  H Series, MICRO-EH Series: Up to 2 units
  EH-150 Series, EHV Series, Web Controller: Up to 4 units.

- Maximum number of External Devices is 64.

Multiple CPU link

Web Controller does not support this configuration.

*1 External Device on Ethernet Network: Up to 64 units.

*2 External Device using CPU Link: Up to 64 units.

*3 CPU Link

When using the optical remote communications module

*1 Slave station

Optical remote communications module EH-ORML

*2 Master station

Optical remote communications module EH-ORMM

*3 Optical cable

When using the coaxial remote communications module

*1 Slave station

Coaxial remote communications module EH-R2LH

*2 Master station

Coaxial remote communications module EH-RMAH

*3 Coaxial cable

NOTE

- For slave stations at the end of the cable, TxD-T and RxD-T on coaxial remote communications modules must be terminated.

## 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 Device

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.