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175
DECS-250
Security
Security
DECS-250 security is provided in the form of passwords which control the type of operations allowed by a
particular user. Passwords can be tailored to provide access to specific operations. Additional security is
available by controlling the type of operations allowed through certain DECS-250 communication ports.
Security settings are uploaded and downloaded separately from the settings and logic. See the
BESTCOMSPlus
®
chapter for more information on uploading and downloading security.
Password Access
BESTCOMSPlus Navigation Path:
Settings Explorer, General Settings, Device Security Setup, User
Name Setup
A username and password can be established for one of six functional access areas within the DECS-
250. These access areas are listed in Table 15 according to rank. A username and password with higher
access can be used to gain access to operations controlled by a password with lower access. For
example, a settings-level username and password has access to operations protected by the settings-,
operator-, control-, and read-level usernames and passwords. This screen cannot be accessed when in
Live Mode.
Table 15. Password Access Levels and Descriptions
Access Level
Description
Admin (1)
Access to security setup, communications settings, and software upgrades.
Includes levels 2, 3, 4, 5, and 6 below.
Design (2)
Access to create and edit programmable logic. Includes levels 3, 4, 5, and
6 below.
Settings (3)
Access to edit settings. Does not include logic settings, security setup,
communications settings, and software upgrades. Includes levels 4, 5, and
6 below.
Operator (4)
Access to set date and time, trigger and clear logs, and edit energy values.
Includes levels 5 and 6 below.
Control (5)
Access to change setpoints, raise and lower, reset alarms, and preposition.
Includes level 6 below.
Read (6)
Access to read all system parameters, metering, and logs. No write access.
None (7)
Lowest access level. All access is denied.
Password Creation and Configuration
Usernames and passwords are created and configured in BESTCOMS
Plus
on the Username Setup tab
(Figure 154) of the Device Security Setup area. To create and configure a username and password,
perform the following steps.
1.
In the BESTCOMS
Plus
settings explorer, select
User Name Setup
. This selection is located
under
General Settings, Device Security Setup
. When prompted, enter a username of “A” and a
password of “A” and log on. This factory-default username and password allows administrator-
level access. It is highly recommended that this factory-default password be changed immediately
to prevent undesired access.
2.
Highlight an “UNASSIGNED” entry in the user list
A
. (Highlighting a previously-established
username will display the password and access level for the user. This enables the password and
access level for an existing user to be changed.)
3.
Enter the desired username
B
.
4.
Enter the desired password for the user
C
.
Summary of Contents for DECS-250
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Page 6: ...iv 9440300990 Rev J Revision History DECS 250 ...
Page 16: ...xiv 9440300990 Rev J Contents DECS 250 ...
Page 20: ...4 9440300990 Rev J Introduction DECS 250 ...
Page 28: ...12 9440300990 Rev J Power Stage DECS 250 ...
Page 32: ...16 9440300990 Rev J Voltage and Current Sensing DECS 250 ...
Page 40: ...24 9440300990 Rev J Synchronizer DECS 250 ...
Page 52: ...36 9440300990 Rev J Auxiliary Control DECS 250 ...
Page 56: ...40 9440300990 Rev J Contact Inputs and Outputs DECS 250 ...
Page 84: ...68 9440300990 Rev J Limiters DECS 250 ...
Page 114: ...98 9440300990 Rev J Power System Stabilizer DECS 250 Figure 96 PSS Parameter Settings ...
Page 124: ...108 9440300990 Rev J Stability Tuning DECS 250 ...
Page 126: ...110 9440300990 Rev J Mounting DECS 250 Figure 103 Overall and Projection Mounting Dimensions ...
Page 127: ...9440300990 Rev J 111 DECS 250 Mounting Figure 104 DECS 250 Escutcheon Plate Dimensions ...
Page 198: ...182 9440300990 Rev J Timekeeping DECS 250 ...
Page 210: ...194 9440300990 Rev J CAN Communication DECS 250 ...
Page 304: ...288 9440300990 Rev J Maintenance DECS 250 ...
Page 316: ...300 9440300990 Rev J Specifications DECS 250 ...
Page 334: ...318 9440300990 Rev J Analog Expansion Module DECS 250 ...
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