Advantech Adam 4000 Series - Page 138

4-54 ADAM 4000 Series User's Manual
4015, 4017, 4017+, 4018,
4018+, 4018M, 4019
#AAN
Name Read Analog Input from Channel N
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.