Help needed on how to download program from PC (RS232 serial port) to SEL-551 relay.
I have the following.
SEL-551 overcurrent relay with EIA-485 serial port (DB9 Female)
1 - +TX
2 - -TX
3 - N/C
4 - +IRIG-B
5 - SHIELD
6 - -IRIG-B
7 - +RX
8 - -RX
9 - SHIELD
Multilin RS232/485 converter C1450110
RS232 (DB9 Female)
RS485 (2 Wires, "+" and "-")
I have the following.
SEL-551 overcurrent relay with EIA-485 serial port (DB9 Female)
1 - +TX
2 - -TX
3 - N/C
4 - +IRIG-B
5 - SHIELD
6 - -IRIG-B
7 - +RX
8 - -RX
9 - SHIELD
Multilin RS232/485 converter C1450110
RS232 (DB9 Female)
RS485 (2 Wires, "+" and "-")