4-26 “Job Done” Examples - (Example 3) Date Code 20010518
SEL-2020 Instruction Manual
Complete Hardware Connections
1. The SEL-251 Relays remain configured as in the previous example.
2. Connect the EIA-232 port on the RTU to Port 11 of the SEL-2020 with a proper
communication cable.
3. Retain the configuration for SEL-2020 Ports 1 through 9 from previous examples.
Set the SEL-2020
1. Use the SET P command to configure Port 11 as a Master port for the RTU.
2. Use the SET A command to define a trigger condition (P00:00:01.0) on Port 1 that
periodically triggers a message (see Figure 4.4). Create a message to send a meter command
(using 20METER setting) to relays when the trigger condition exists.
To Next Page
Loading...
