U.4.68
SEL-421 Relay User’s Guide Date Code 20090715
Basic Relay Operations
Operating the Relay Inputs and Outputs
c. Select the Data Speed, Data Bits, Stop Bits, Parity,
and RTS/CTS that match the relay settings. The
defaults are 9600, 8, 1, None, Off, respectively.
d. Click OK to update the
ACSELERATOR QuickSet
communications parameters.
e. Confirm that the Communications Status bar at the
bottom of the
ACSELERATOR QuickSet window says
Connected.
Step 2. Confirm the correct
ACSELERATOR QuickSet passwords.
a. Reopen the Communication menu and click Port
Parameters.
b. Enter your Access Level 1 password in the Level One
Password text box, and your Access Level 2 password
in the Level Two Password text box.
c. Click OK to accept changes and close the dialog box.
Step 3. On the Settings menu, click Read.
The relay sends all configuration and settings data to
ACSELERATOR QuickSet.
Step 4. Access the Control Inputs settings.
a. Click the + mark next to the Global branch of the
Settings tree view.
b. Click the + mark next to the Control Inputs branch of
the Settings tree view, and click the Control Inputs
branch (see Figure 4.58).
Step 5. Set EICIS Independent Control Input Settings to Y.
Figure 4.58 Accessing Global Enable Setting EICIS in ACSELERATOR
QuickSet
Step 6. Access the Control Inputs settings.
a. Expand the Main Board branch by clicking the +
button next to Main Board.
b. Click Mainboard Pickup Levels. You will see the
input window similar to that in Figure 4.59.
c. Click Mainboard Pickup and Dropout Delays. You
will see the input window similar to that in Figure 4.60.
Courtesy of NationalSwitchgear.com
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