Web interface 147/176
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10.7.1.2 Web interface URL syntax
Parameter
Meaning
Value range
http://id40
Transfer protocol and IP ad-
dress for the ID 40/SLK-PDP
See Chapter 10.4 “HTTP
connection to ID 40/SLK”
xid
Constant identifier for the ID
40 data area
bal-mem
Designates read access to the
ID 40 system
bal-write
Designates write access to the
ID 40 system
offset,
adrset
SLK address ranges in which
the data is entered with
bal-
write
(
offset
) or read with
bal-mem
(
adrset
) are as-
signed to this parameter
See Chapter 7.7 “Addressing
data in the ID 40 system”
prefetch
A value of 1 means the
adrset
is read from the ID
40 system and then saved
as a prefetch. The value 0
deletes all marked prefetches,
see Chapter 10.7.3.3 “Web
interface prefetch”
‘1’, ‘0’
fmt-offset, fmt-data:
Output format of the address
and data bytes in the XML
string
“hex”, “dec”
data
Byte array being written, bytes
separated by “+” or “,”
0 … 255
10.7.2 Web interface write commands
These commands write data to the MDT and also switch the link state.
A completed write access of <n> bytes is confirmed with the string:
bal-write: <n> bytes successfully written
Other confirmations refer to invalid URL syntax or access during an invalid link state.
A write command contains the start address <start-adr> of the write process as well
as the data being written in bytes <data-n> and the number of bytes n.
http://id40/xid/bal-write?offset=<start-adr>&data=<data-1>+<data-2>+...+<data-n>
The start address defines the ID 40 area (MDT data, MDT register, SLK register, see
Chapter 7.4 “SLK address table") in which the data should be entered.
The
length of the URL
is limited, so only 220 string characters can be used for the
data being written.
A maximum of 72 bytes can be written in two-digit decimal format, with a maximum
of 44 bytes in hexadecimal format.
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