Advantech Data Acquisition Modules ADAM 4000 User Manual

Page 161

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Chapter

5


5-15

ADAM 4000 Series User’s Manual

4015, 4015T, 4017, 4017+, 4018,
4018+, 4018M, 4019+

#AAN

Name

Read Analog Input from Channel N command

Description

The command will return the input value from one of the
eight channels of a specified (AA) module in the currently
configured data format.

Syntax

#AAN(cr)

#

is a delimiter character.

AA

(range 00-FF) represents the 2-character hexadecimal

address of the analog input module.

N

identifies the channel you want to read. The value can

range from 0 to 7 for 4017, 4018, 4018M, 4019. (The range
of 4015 is from 0 to 5)

(cr)

is the terminating character, carriage return (0Dh).

Response

>(data)(cr)

There is no response if the module detects a syntax error or
communication error or if the specified address does not
exist.

>

is a delimiter character.

(data)

is the input value of the channel number N. Data

consists of a + or - sign followed by five decimal digits
with a fixed decimal point.

(cr)

is the terminating character, carriage return (0Dh).

Example

command:

#120(cr)

response: >+1.4567(cr)

The command requests the analog input module at address
12h to return the input value of channel 0.

The analog input module responds that the input value of
channel 0 is equal to +1.4567 volts.

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