64
Unidrive M400 User Guide
Issue Number: 2
5.5 Changing the operating mode
Procedure
Use the following procedure only if a different operating mode is
required:
1. Ensure the drive is not enabled, i.e. terminal 31 & 34 are open or
Pr
06.015
is OFF (0)
2. Change the setting of
Pr 00.079
as follows:
The figures in the second column apply when serial communications are
used.
When the operating mode is changed, a parameter save is carried out.
3. Either:
Press the red
reset button
Carry out a drive reset through serial communications by setting
Pr
10.038
to 100 (ensure that Pr
mm.000
returns to 0)
5.6 Saving parameters
When changing a parameter in Menu 0, the new value is saved when
pressing the Enter button
to return to parameter view mode from
parameter edit mode.
If parameters have been changed in the advanced menus, then the
change will not be saved automatically. A save function must be carried
out.
Procedure
1. Select ‘Save parameters'* in Pr
mm.000
(alternatively enter a value
of 1000* in Pr
mm.000
)
2. Either:
•
Press the red
reset button
•
Carry out a drive reset through serial communications by setting
Pr
10.038
to 100
•
If the drive is in the under voltage state (i.e. when the AI-485 adaptor
terminals 1 & 2 are being supplied from a +24 V DC supply) a value
of 1001 must be entered into Pr
mm.000
to perform a save function.
5.7 Restoring parameter defaults
Restoring parameter defaults by this method saves the default values in
the drives memory.
User security status
(00.010) and
User security code
(00.025) are not affected by this procedure).
Procedure
1. Ensure the drive is not enabled, i.e. terminal 31 & 34 is open or
Pr
06.015
is OFF (0)
2. Select 'Reset 50 Hz Defs’ or 'Reset 60 Hz Defs' in Pr
mm.000
.
(alternatively, enter 1233 (50 Hz settings) or 1244 (60 Hz settings) in
Pr
mm.000
).
3. Either:
•
Press the red
reset button
•
Carry out a drive reset through serial communications by setting
Pr
10.038
to 100
5.8 Parameter access level and security
The parameter access level determines whether the user has access to
Menu 0 only or to all the advanced menus (Menus 1 to 24) in addition to
Menu 0.
The User Security determines whether the access to the user is read
only or read write.
Both the User Security and Parameter Access Level can operate
independently of each other as shown in table Table 5-8.
Table 5-8 Parameter access level and security
The default settings of the drive are Parameter Access Level Menu 0
and user Security Open i.e. read / write access to Menu 0 with the
advanced menus not visible.
5.8.1 User Security Level / Access Level
The drive provides a number of different levels of security that can be set
by the user via
User Security Status
(11.044); these are shown in the
table below.
Pr
00.079
setting
Operating mode
1
Open-loop
2
RFC-A
NOTE
User
security
status
(11.044)
Access level
User
security
Menu 0
status
Advanced
menu status
0
Menu 0
Open
RW
Not visible
Closed
RO
Not visible
1
All Menus
Open RW
RW
Closed
RO
RO
2
Read-only
Menu 0
Open
RO
Not visible
Closed
RO
Not visible
3
Read-only
Open
RO
RO
Closed
RO
RO
4
Status only
Open
Not visible
Not visible
Closed
Not visible
Not visible
5
No access
Open
Not visible
Not visible
Closed
Not visible
Not visible
User Security
Status
(Pr 11.044)
Description
Menu 0 (0)
All writable parameters are available to be edited
but only parameters in Menu 0 are visible
All menus (1)
All parameters are visible and all writable
parameters are available to be edited
Read- only
Menu 0 (2)
Access is limited to Menu 0 parameters only. All
parameters are read-only
Read-only (3)
All parameters are read-only however all menus
and parameters are visible
Status only (4)
The keypad remains in status mode and no
parameters can be viewed or edited
No access (5)
The keypad remains in status mode and no
parameters can be viewed or edited. Drive
parameters cannot be accessed via a comms/
fieldbus interface in the drive or any option module
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