Password Forgotten; Reset And Status Over Fieldbus; Reset Of Safety Option And Pending Safe Function; Retrieving Safety Option Status - Danfoss VLT MCB 150 Operating Instructions Manual

General Parameter Set-up
NOTICE
Any misuse of password may lead to severe safety
problems.
NOTICE
No password is required to access the commissioning
parameters of the safety option. The password is
required when the parameters must be downloaded to
the option via Write to Drive.
The password must be of 8 characters and is case-
sensitive. Alphanumeric characters and symbols are valid
for password.
The safety option checks the parameter password entered.
Use the menu item Change Password to change the safety
option parameter password. Change the safety option
password if there is any indication of manipulation.

6.1.3.1 Password Forgotten

NOTICE
Resetting the password resets all option parameters to
factory default.
Forgot the safety option parameter password?
•
Select [Reset] in [Administration]
•
Checkmark "Yes, I want to reset Safe Option
configuration in the drive"
•
Enter default password (12345678)
•
Click "Reset"
•
On the prompt that appears click "yes"
•
Change the safety option password

6.2 Reset and Status over Fieldbus

6.2.1 Reset of Safety Option and Pending
Safe Function
There are 2 different methods of performing a reset of the
safety option and pending safe function. The configuration
of 42-31 Reset Source is decisive for which method to use.
If 42-31 Reset Source is set to [0] Drive Reset, a reset
according to the selected control word profile is required.
NOTICE
The frequency converter specific alarms are also reset.
If 42-31 Reset Source is set to [1] Drive Safe Reset, [3] Safe
Option Reset must be configured in 8-14 Configurable
Control Word CTW.
MG34W302
Operating Instructions
NOTICE
The frequency converter specific alarms are not reset
and the control word profile is overwritten.

6.2.2 Retrieving Safety Option Status

A subset of the safety option status can be retrieved as
part of the status word. It's behaviour changes based on
the selected control word profile.
Configure [91] Safe Opt. Reset. req, and [90] Safe Function
active in 8-13 Configurable Status Word STW to
•
•
42-80 Safe Option Status indicates the actual status (active
safe function, any requests and error number) of the safety
option and is accessible as read only parameter from any
interface or configurable as read process data for a specific
fieldbus.
CAUTION
Only active safe function is set in Safety Option Status.
Bit
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
Danfoss A/S © Rev. 2014-02-11 All rights reserved.
Indicate that a reset of the safety option is
required
Indicate that a safe function is active
Description
Normal_up
PUST
STO active
SS1-a active
SS1-b active
SLS-a active
SLS-b active
Reserved for further SF
Reserved for further SF
Reserved for further SF
Reserved for further SF
Int_fail
Reset required
Pending fail safe state
Ext_fail
Safe function pending
General reset
Customisation_confirmed
Customisation_aborted
Customisation_requested
Suspension of speed monitoring
PUST warning
DI_1_offline_warning
DI_2_offline_warning
Error code
Error code
6 6
37