ICP DAS USA M-7065 User Manual page 37

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.
Examples:
Command:#011
Response:!0100005
Reads data from channel 1 of module 01 and the
returned counter value is 00005.
Command:#015
Response:!0100005
Reads data from channel 5 of module 01 and the
returned counter value is 00005.
Related Commands:
Section 2.13 #AACN
M-7065 User's Manual Ver2.0, Dec. /200 8 ---37