Connection Configuration

Communication Settings

Supported Devices

## Connection Configuration

- 1:1 Connection

- 1:n Connection

NOTE

- Maximum number of External Device is 64.

- 1:n connection (access outside the network to relay the iQ-R series)

NOTE

- Maximum number of External Device is 64.

- When communication over the network, set the timeout to a value greater than the relay station's response monitoring time.

Setting example for access outside the network are shown below.

External Device to Access | Port No. | Station No. | Network No. | PC No. | Request destination module I/O No. | Request destination module Station No.
External Device (1) | 1025 | 5 | 0 | 255 | 1023 | 0
External Device (11) | 1026 | 5 | 2 | 6 | 1023 | 0
External Device (22) | 1027 | 5 | 3 | 8 | 32 | 15

- n:1 connection

NOTE

- The maximum number of Displays you can connect is as follows.
  iQ-R series
  CPU unit's Ethernet port: 16
  RJ71EN71: 64
  iQ-F series: 8

- n:m connection

NOTE

- The maximum number of Displays you can connect is as follows.
  iQ-R series
  CPU unit's Ethernet port: 16
  RJ71EN71: 64
  iQ-F series: 8
- Maximum number of External Device is 64.

## 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.