Date Code 20210715
SEL-2890 Instruction Manual
Detailed Application Examples
Job Done Example 3
4.9
SEL-2890 #3: (IP 192.168.0.4 for this example)
SET <Enter>
PORT= 23
TUNNEL= BTCP
TUNNEL_IP= 192.168.0.2
SEL-2890 #4: (IP 192.168.0.5 for this example)
SET <Enter>
PORT= 23
TUNNEL= BTCP
TUNNEL_IP= 192.168.0.2
SEL-2890 #5: (IP 192.168.0.6 for this example)
SET <Enter>
PORT= 23
TUNNEL= BTCP
TUNNEL_IP= 192.168.0.2
First, we assume that the master polling IED uses a serial
protocol that is addressable. All the slave IEDs understand
this protocol and will only respond if they are being polled
with respect to their specific serial address.
The master IED sends out a serial message containing
something like “Slave with address 10, send me your data.”
The SEL-2890 #1 receives this serial data and broadcasts the
message to all Ethernet devices on the local subnet. The
SEL-2890 transceivers #2 through #5 receive the Ethernet
message and forward the corresponding serial data through
their serial ports. Slave IED with address 10 responds and
sends its serial data. When the respective SEL-2890 receives
serial data, it will forward the data over the network to the IP
furnished in the TUNNEL_IP setting (192.168.0.2). SEL-2890
#1, whose IP is 192.168.0.2, receives the message and
forwards the data out its serial port to the master polling IED.
This is repeated in a “round robin” format until all slave IEDs
have been polled.
Summary of Contents for SEL-2890
Page 1: ...SEL 2890 Ethernet Transceiver Instruction Manual PM2890 01 20210715 ...
Page 6: ...This page intentionally left blank ...
Page 8: ...This page intentionally left blank ...
Page 26: ...This page intentionally left blank ...
Page 42: ...This page intentionally left blank ...
Page 52: ...This page intentionally left blank ...
Page 56: ...This page intentionally left blank ...
Page 80: ...This page intentionally left blank ...
Page 84: ...This page intentionally left blank ...
Page 85: ......
Page 86: ......