SOMMER SPA-2, Руководство пользователя

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11.3.8 Which commands are available?
Command structure
The structure of serial commands and answers (
#W0001$mt|BE85;
) is described in the following
table:
Parameter Format Description
Start char-
acter
#
Identifier
X
W
SPA-2 returns a confirmation on receipt. This com-
mand type demands a closing sequence with a valid
CRC-16.
S
SPA-2 does not acknowledge the receipt of the
command. This command type demands no closing
sequence and therefore no CRC-16.
R
SPA-2 returns the requested measurement value
or parameter. This command type demands a closing
sequence with a valid CRC-16.
T
Write a volatile setting and receive a confirmation
A
Answer of device to read or write command
System key
dd
Device num-
ber
dd
Command
xxx
See Commands
Separator
|
CRC-16
hhhh
4-digit hex number
End char-
acter
;
Table 15: Structure of RS-485 commands and answers
Commands
The following commands can be used with the SPA-2:
11
S
er
ia
lc
o
m
m
u
n
ic
at
io
n
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