ICP DAS, ZT-2017 and ZT-2017C AI Series User Manual, Version 1.0.1
Page 102
Copyright © 2012 by ICP DAS Co., Ltd. All Rights Reserved.
6.2.40
@AARLi
Description
This command is used to read the low latch value for a specific channel of a
specified module.
Syntax
@AARLi[CHECKSUM](CR)
@
Delimiter character
AA
The address of the module to be read in hexadecimal format (00 to FF)
RL
The command to read the low latch value
i
The channel to be read, zero based
Response
Valid Command
!AA(Data)[CHECKSUM](CR)
Invalid Command
?AA[CHECKSUM](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)
(Data) The low latch value for a specific channel. See Section 4 for details of the
data format.
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.
Example
Command @03RL0
Response !03-02.000
Reads the low latch value for channel 0 of module 03 and returns a response
indicating that the command was successful, with the data in engineering units
format.
Command @03RL9
Response ?03
Attempts to read the low latch value for channel 9 of module 03 and returns a
response indicating that the command was unsuccessful because the channel 9
does not exist.
