Chapter 4 Command Set 4-
97
4018M
Chapter 4
Bit 3 Bit 2 Bit 1 Bit 0
@AARNNNN
Name Read Record Content
Description Request the content of record NNNN stored in the analog input
data logger at address AA.
Syntax @AARNNNN (cr)
@ is a delimiter character.
AA (range 00-FF) represents the 2-character hexadecimal
address of an analog input data logger.
R identifies the Read Record Content command.
NNNN represents the 4-character decimal number of stored
record index. Its value is from 0 to (total record number - 1).
(cr) is the terminating character, carriage return (0Dh).
NOTE:
NNNN is from 0 to 9999 for Standard Mode.
NNNN is from 0 to 4599 for Event Mode.
NNNN is from 0 to 7299 for Mixed Mode. (0-4999 are data
records, 5000-7299 are event records)
Response !AACDHHHH(cr) if the returned data are data records.
!AACDHHHHTTTTTTTT(cr) if the returned data are event
records.
! is a delimiter character indicating a valid command was
received.
AA (range 00-FF) represents the 2-character hexadecimal
address of an analog input module.
C represents the channel index. Its value is from 0 to 7.
D represents the 4-bit binary number. Bit 0 represents the sign
of the number HHHH. ‘0’ means positive. ‘1’ means negative.
Bits 1-3 represents the decimal point of the number HHHH.
Decimal point
Sign
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