Unication Messenger m90 Manual de usuario descargar pdf (Pagina 37)

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Hardware Configuration

2. If there is a conflict between the current M90 hardware information and the project

configuration, you will be prompted to choose how to proceed.

3. If you decide to continue with the Download, the M90 OPLC will be stopped and

reset during the Download procedure. Click OK. The Download process is

activated.

The Hardware configuration is now updated.

Note: If your application does not require that you use all of the I/Os on a particular I/O

Expansion Module, do not select the unused I/Os when you configure the module.

Selecting unused I/Os may add to the M90's scan time.

Addressing: I/O Expansion Modules

Inputs and outputs located on I/O expansion modules that are connected into an M90

OPLC are assigned addresses that comprise a letter and a number. The letter indicates

whether the I/O is an input (I) or an output (O). The number indicates the I/O’s location in

the system. This number relates to both the expansion module’s position in the system,

and to the position of the I/O on that module.

Expansion modules are numbered from 0-7 as shown in the figure below.

The formula below is used to assign addresses for I/O modules used in conjunction with the

M90 OPLC.

X is the number representing a specific module’s location (0-7). Y is the number of the

input or output on that specific module (0-15).

1 2 ... 32 33 34 35 36 37 38 39 40 41 42 ... 406 407

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Unication Messenger m90 Manual de usuario Pagina 37

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