20 read polarity – ADLINK ND-6054 User Manual

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Command Set

3.20 Read Polarity

@Description

To read the polarity state of digital inputs and outputs of the module.

@Syntax

~(Addr)CR<CR>

~

Command leading code (1 character)

(Addr)

Address ID (2 character)

CR

Read Polarity (2 character)

@Response

!(Addr)(State)<CR>

or

?(Addr)<CR>

!

Command is valid.

?

Command is invalid.

(Addr)

Address ID.

(State)

Polarity state of digital inputs and outputs
00 : Polarity were not changed
01 : Change the polarity of digital inputs
02 : Change the polarity of digital outputs
03 : Change the polarity both the digital inputs

and outputs

@Example

User command:

~03CR<CR>

Response:

!0602<CR>

Read the polarity of the DI/O module which ID is 03H.

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