Electrical Connections - Siemens SIMATIC NETS7-1200 Operating Instructions Manual

Displays and connectors

2.3 Electrical connections

DIAG - Network
(red / green) (red / green)
green
green green
green green
-
-
-
-
-
green green
green
When a TeleServiceconnection is being established, the LED is lit for at least 10 minutes.
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2.3 Electrical connections
Power supply
The 3-pin socket for the external 24 V DC power supply is located on the top of the module.
The matching plug ships with the product.
You will find the pin assignment of the socket in section Pin assignment of the socket for the
external power supply (Page 32).
22
Connect
(green)
-
- -
- -
- -
- -
- -
-
- -
Signal TeleService
quality
(green)
(yellow /
green)
-
- -
- -
-
green
-
yellow
-
yellow
-
-
-
-
Operating Instructions, 09/2011, C79000-G8976-C247-02
Meaning
No connection to the telecontrol server

or
No configuration available

Connection to the telecontrol server
established
Data transfer
Good GSM network
(-73 ... > -53 dBm)
Medium strength GSM network
(-89 ... -75 dBm)
Weak GSM network
(-109 ... -91 dBm)
No GSM network
(< -111 dBm)
Currently no TeleService session
TeleService session running
Attempted login to TeleService session
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CP 1242-7