Schweitzer Engineering Laboratories SEL-421-4 - Page 879

3.61
Date Code 20171006 Instruction Manual SEL-400 Series Relays
Basic Relay Operations
Operating the Relay Inputs and Outputs
Step 3. Prepare the relay to download the SER report.
a. Type FILE READ REPORTS SER.TXT <Enter>.
b. If you want the Compressed ASCII file, type the following:
FILE READ REPORTS CSER.TXT <Enter>
Step 4. Download the SER report. Perform the steps necessary for your ter-
minal emulation program to receive a file.
Typically, these are the file transfer steps:
NOTE: Transferring SER files (or
CSER files) with the FILE READ REPORTS
SER.TXT command, performs an SER CV
command as part of the transfer. SER
CV clears the SER information from
the present port. With the SER
information cleared, there are no data
available for subsequent SER or CSER
transfers from the same port.
➢ Specify the destination file location in your computer file
storage system and file name.
➢ Select the transfer type as YModem (if not already enabled).
➢ Click Receive.
You will usually see a confirmation message when the file transfer is
complete.
Step 5. When the SER.txt file has transferred successfully, use a word-pro-
cessing program to view the contents of the file.
You will see the SER records in a format similar to Figure 3.52.
Operating the Relay Inputs and Outputs
SEL-400 series relays give you great ability to perform control actions at bay and
substation locations via the relay control outputs. The control outputs close and
open circuit breakers, switch disconnects, and operate auxiliary station equip-
ment such as fans and lights. The relay reads data from the power system and
interfaces with external signals (contact closures and data) through the control
inputs. This subsection is an introduction to operating the control outputs and
control inputs. For more information on connecting and applying the control out-
puts and control inputs, see Section 2: Installation in the product-specific instruc-
tion manual.
Control Output
The relay features standard, hybrid (high-current interrupting), and high-speed
high-current interrupting control outputs that you can use to control circuit break-
ers and other devices in an equipment bay or substation control house.
=>FILE DIR REPORTS <Enter>
BRE_1.TXT R
BRE_2.TXT R
BRE_S1.TXT R
BRE_S2.TXT R
CBRE.TXT R
CHISTORY.TXT R
CPRO.TXT R
CSER.TXT R
HISTORY.TXT R
PRO.TXT R
SER.TXT R
=>
Figure 3.54 Example Reports File Structure