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Installation of satellite i/o box (multiple units) – Casio PA-2500 User Manual

Page 8

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2.5 Installation of Satellite I/O Box (multiple units)

Note that the DIP switch settings should be made according to whether the I/O Box is connected

directly to the PC or daisy-chained to other I/O Boxes.

The following environment setup example assumes a baud rate of 115.2 Kbps has been set.

Environment setup

1) Make sure that the POWER switch is set to OFF.

2) Set the DIP switches of the I/O Box to be connected with the PC as follows.

Table 2.3

1

2

3

4

5

6

7

8

9

10

ON

OFF

OFF

OFF

OFF

OFF

ON

ON

ON

ON

3) Set the DIP switches of other I/O Boxes as follows.

Table 2.4

1

2

3

4

5

6

7

8

9

10

ON

OFF

ON

OFF

OFF

OFF

ON

ON

ON

ON

Note:

Set No.5 of the DIP switch to ON if the C-OUT terminal is not chained to other I/O Boxes.

A terminator should be connected to it.

Table 2.5

5

ON

Connection

1) Connect an AC adaptor to each I/O Box.

2) Connect the I/O Box to the PC with the RS-232C cross-type cable.

3) Connect the C-OUT terminal of the I/O Box, which is connected to the PC, and the C-IN

terminal of the other I/O Box with the RS-422 cable.

4) Chain together the remaining I/O Boxes. The I/O Box attached to the terminator must be at the

end of the chain.

Start-up

1) Set the POWER switches of all the I/O Boxes to ON.