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Beschikbare talen
where:
<STX> =
0x02
<ADDR> =
0x80 (for RS 232 and
RS 422 only)
<ADDR> =
0x80 + device number (0...31)
0xFF: brodcasting command
(recognized by all the devices, it
doesn't implicate any answer)
(for RS 485 only)
<WINDOWS>=
' 000 '...' 999' window number
the meaning of the window
depends to the device type
<COMMAND>=
0x30: window value reading
0x31: window writing
<DATA> =
alphanumeric ASCII string
containing, in the case of writing
operation,the parameter to input
into the window addressed by
the field <WINDOW>This field
may have variable length
according to the data type
contained in the window where
you are working in. In the case of
Reading request of a window, the
data field doesn't exist.
<ETX>=
0x03
<CRC>=
XOR among all the characters
following <STX>= (with exception of
<STX>), including the end character
<ETX> hexadecimally encoded by
two ASCII characters.
1) When a slave device is addressed by the master:
In case of reading request of the value contained in
a window, the slave answers a string equal to the
one sent by the master but in addition there is the
field
<DATA>
containing
window.The format of the field <DATA> depends to
the window type.
The different types are:
Length
Logic (L)
1
Numeric (N)
6
Alphanumeric (A)
max 10
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the
value
of
the
Characters
Permitted
'0'=OFF
'1'=ON
'0'...'9'
(Justifield to the right
with '0')
' '...'_'
77
TECHNICAL INFORMATION
EXAMPLES:
Command : START
Source
: PC
Destination : Inverter
02
80
30
30
30
STX
ADDR
WINDOW
Source
: Inverter
Destination : PC
03
02
80
06
STX
ADDR
ACK
ETX
Command : STOP
Source
: PC
Destination : Inverter
02
80
30
30
30
STX
ADDR
WINDOW
Source
: Inverter
Destination : PC
03
02
80
06
STX
ADDR
ACK
ETX
Command : SOFT-START (ON)
Source
: PC
Destination : Inverter
02
80
31
30
30
STX
ADDR
WINDOW
Source
: Inverter
Destination : PC
02
80
06
03
STX
ADDR
ACK
ETX
Command : SOFT-START (OFF)
Source
: PC
Destination : Inverter
02
80
31
30
30
STX
ADDR
WINDOW
Source
: Inverter
Destination : PC
02
80
06
03
STX
ADDR
ACK
ETX
03
42
33
31
31
WR
ON
ETX
CRC
38
35
CRC
03
42
32
31
30
WR OF
ETX
CRC
F
38
35
CRC
31
31
03
42
32
WR
ON
ETX
CRC
38
35
CRC
31
30
03
42
33
WR OF
ETX
CRC
F
38
35
CRC
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