This object is used to store parameters of HTB and EX module in
backup memory.
When storing parameters with this object, in
the HTB slave settings set [Restore] to either [Restore All] or
[Communication only]. Communication may not work properly when
selecting any other option.
Properties of the object
Object properties:
Sub index
Description
Data Type
Default
Access
PDO mapping
Backup
0
Sub index number
UNSIGNED8
4
ro (read only)
×
×
1
Store all the parameters
UNSIGNED32
—
rw (read-write)
×
×
2
Store communication parameters (1000h to
1FFFh)
UNSIGNED32
—
rw (read-write)
×
×
3
Disable
—
—
4
Store application parameters (2000h to
9FFFh)
UNSIGNED32
—
rw (read-write)
×
×
Action
To store parameters, it is necessary to write "save" text (6576 6173h) to the
corresponding index.
Top byte
Bottom byte
ISO 8859 (ASCII) signature
e
v
a
s
Hexadecimal value
65h
76h
61h
73h
Information on storage feature is read from sub index. Obtained
result 0000 0001h indicates parameters are restored by the module
only when applicable command is received.