ICP DAS USA M-7026, User Manual

Page: 101 / 185

M-7026
M-7026 User Manual Rev: 1.5 Date: 2016/03/10
101
2.45 ~AAD
Description:
This command is used to read the Digital Input and Digital Output configuration
for a specified module.
Syntax:
~AAD[CHKSUM](CR)
~
Delimiter character
AA The address of the module to be read in hexadecimal format (00 to
FF)
D The command to read the Digital Input and Digital Output
configuration
Response:
Valid Command: !AAVV[CHKSUM](CR)
Invalid Command: ?AA[CHKSUM](CR)
! Delimiter character to indicate a valid command
? Delimiter character to indicate an invalid command
AA The address of the responding module in hexadecimal format (00 to
FF)
VV A two-digit hexadecimal value representing the miscellaneous
settings, as indicated in the tables below:
7 6 5 4 3 2 1 0
Reserved OA IA
Key Description
IA Bit 0: Specifies the active state of the Digital Input signal
0: An input value of 0 indicates that the input is floating
An input value of 1 indicates that the input is connected to a
COM port
1: An input value of 0 indicates that the input is connected to a
COM port
An input value of 1 indicates that the input is floating
OA Bit 1: Specifies the active state of the Digital Output signal
0: An output value of 0 indicates that the output is inactive
An output value of 1 indicates that the output is active
1: An output value of 0 indicates that the output is active
An output value of 1 indicates that the output is inactive
There will be no response if the command syntax is incorrect, there is a
communication error, or there is no module with the specified address.