ICP DAS USA I-7521, User Manual

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I-7521/I-7522/I-7522A/I-7523/I-7524/I-7527 User’s Manual,Ver2.5 Aug.2015
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5.3.3 $AADN[data-bit]

Description
:
This function reads/sets the data bit for COM 1/2/3/4/5/6/7/8
$AADN [chk](CrLf)

Reads the data bit for COM 1/2/3/4/5/6/7/8 stored in the
EEPROM
$AADN[data-bit] [chk](CrLf)

Sets the data bit for COM 1/2/3/4/5/6/7/8

Syntax :
$AADN[data-bit][chk](CrLf)
$
Delimiter character
AA 2-character module address in HEX format. The valid range is from
00 to FF
N=0 Reads/Sets the data bit for the COM 2
N=1 Reads/Sets the data bit for the COM 1/3/4/5/6/7/8
[data-bit] will be either 7 or 8
[chk] 2-character checksum. If the checksum is disabled

no [chk]
(CrLf) End Character

Response : valid command

!AA[data-bit][chk](CrLf)
invalid command

?AA[chk](CrLf)
no response

syntax error, communication error, or address error
! Delimiter character indicating a valid command
? Delimiter character indicating an invalid command
AA 2-character module address in HEX format
[chk] 2-character checksum. If the checksum is disabled

no [chk]
(CrLf) End Character

Example : (Assume the AA address value of the I-7523 module is 01)
command: $01D08(CrLf)
response: !01(CrLf)
command: $01D17(CrLf)
response: !01(CrLf)
command: $02D17(CrLf)
response: !02(CrLf)
command: $03D17(CrLf)
response: !03(CrLf)

Notes:
(1) Address mapping refers to Sec.5.2
Changes the data bit to 8 for the RS-485 (COM2)
Changes the data bit to 7 for the RS-232 (COM1)
Changes the data bit to 7 for the RS-232 (COM3)
Changes the data bit to 7 for the RS-232 (COM4)
For: I-7521/I-7522/I-7522A/I-7523/I-7524/I-7527