NOTICE
Any misuse of the password may lead to safety issues.
No password is required to access the commissioning
parameters of the safety option. The password is required
when writing the parameters to the option via the Write to
Drive feature.
If a user forgets the password, the safety option can be
reset using MCT 10. To reset the safety option:
•
In MCT 10 Set-up Software, click Administration.
•
In the Reset tab, select Yes, I want to reset Safety
Option Configuration in the drive, enter the default
password and click Reset.
The password must consist of 8 characters and is case-
sensitive. Alphanumeric characters and symbols are valid
for the password.
Use the Change Password menu item to change the safety
option parameter password.
6.2 Status over Fieldbus
The safety option status can be retrieved as part of the
status word. Its behaviour changes based on the selected
control word profile.
Select [91] Safe Opt. Reset. req and [90] Safe Function active
in 8-13 Configurable Status Word STW to achieve the
following:
•
Indicate that a reset of the safety option is
required. These signals are also available as DO
outputs.
•
Indicate that a safety function is active.
6.2.1
Safety Option Reset via Control Word
To reset the safety option using the control word, select
[3] Safe Option Reset in 8-14 Configurable Control Word CTW.
This option is available only in bits 12-15 of 8-14 Config-
urable Control Word CTW.
6.2.2
Safety Option Status
42-80 Safe Option Status indicates the actual status (active
safe function, any requests and the error number) of the
safety option and is accessible as a read only parameter
from any interface and is configurable as a read process
data for a specific fieldbus.
NOTICE
42-80 Safe Option Status shows only the active safety
function.
Bit Description
0 Normal_up
1 PUST
2 STO active
3-6 Not applicable
7 Reserved for further SF
8 Safe output status
9 For internal use only. Safety option uses this bit
to reset all safety parameters to default values.
10 Safe fieldbus acknowledge request
11 Int_fail
12 Reset required
13 Pending fail safe state
14 Ext_fail
15 Safe function pending
16 General reset
17 Customisation_confirmed
18 Customisation_aborted
19 Customisation_requested
20 Not applicable
21 PUST warning
22 DI_1_offline_warning
23 DI_2_offline_warning
24 Error code
25 Error code
26 Error code
27 Error code
28 Error code
29 Error code
30 Error code
31 Error code
Table 6.3 Status Bits for Safety Option Status
Bit 00, Safety function deactive/active
Bit 00 = 0, Safety function, fail safe reaction is active or
pending or warning is active
Bit 00 = 1, Normal operation.
Bit 01, Power up self test
Bit 01 = 1, Safety option is in PUST state.
Bit 02, Safe Torque Off
Bit 02 = 0, Safe Torque Off is not active.
Bit 02 = 1, Safe Torque Off is active.
Bit 07
Reserved for future safety functions.
Bit 08
Bit 08 = 0, Safe output at 24 V.
Bit 08 = 1, Safe output at 0 V.
Bit 10
Bit 10 = 0, No operator acknowledgement requested.
Bit 10 = 1, Operator acknowledgement from safe PLC
requested.
Bit 11, Internal error
Bit 11 = 0, No internal error is active.
Configuring the Safety Opti...
Operating Instructions
MG37F102 Danfoss A/S © 10/2014 All rights reserved. 21
6 6
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