Siemens SIMATIC S7-1200 CP 1243-8 IRC Operating Instructions Manual page 44

LEDs and connectors
2.2 LEDs
DIAG LINK
(red / green) (red / green)
-
green
-
flashing
green
-
flashing
green
-
flashing
green
VPN/SINEMA Remote Connect connection
- -
- -
- -
Loading firmware
flashing green
flashing flashing green
green (2x)
flashing red flashing green
* With configured dial-up network connections, a connection is shown as being established or the partner as being reacha-
ble if the connection has been established and least once and then not aborted.
44
CONNECT VPN
ETH
(green)
(green)
-
-
-
-
-
-
-
CONNECT Meaning
RS232
(if more than one point listed: alternative
(green) meaning)
Configuration of the telecontrol communica-
tion via both interfaces error-free and ena-
bled.
At least one connection established on eve-
ry interface but not all.
Configuration of the telecontrol communica-
tion via both interfaces error-free and ena-
bled. No connection established.
Configuration of the telecontrol communica-
tion via both interfaces error-free and ena-
bled.
Connection established via Ethernet to at
least one partner.
No connection established via the serial
interface.
Configuration of the telecontrol communica-
tion via both interfaces error-free and ena-
bled.
Connection established via the serial inter-
face to at least one partner.
No connection established via Ethernet.
- VPN/SINEMA Remote Connect connection
established
- Attempting to establish a configured
VPN/SINEMA Remote Connect connection
- VPN/SINEMA Remote Connect connection
not configured or currently not established
on the CP
Loading firmware. The "DIAG" LED flashes
alternately red and green.
Firmware was successfully loaded. Die LED
"DIAG" flashes green twice.
Error loading the firmware.
Remedy: Power OFF → ON
Operating Instructions, 02/2018, C79000-G8976-C385-03
CP 1243-8 IRC