Siemens S7-1200 User Manual

LEDs and connectors
2.2 LEDs
CP 1243-7 LTE
28 Operating Instructions, 01/2015, C79000-G8976-C381-01
2.2
LEDs
LEDs of the module
The CP has the following LEDs for displaying the status:
● "DIAG" LED on the front panel
The "DIAG" LED that is always visible shows the basic statuses of the module.
● LEDs below the upper cover of the housing
These LEDs provide further details on the module status.
Table 2- 1 LED on the front panel
LED / colors
Name
Meaning
red/green
DIAG
Basic status of the module
Table 2- 2 LEDs below the upper cover of the housing
LED / colors
Name
Meaning
red/green
NETWORK Status of the connection to the mobile wireless network
green
CONNECT
Status of the connection to the master station
yellow / green
SIGNAL QUALITY
Signal quality of the mobile wireless network
green
VPN
Status of the VPN connection
Note
LED colors when the module starts up
When the module starts up, all its LEDs
are lit for a short time. Multicolored LEDs display a
color mixture. At this point in time, the color of the LEDs is not clear.
Display of the operating and communication status
The LED symbols in the following tables have the following significance:
Table 2- 3 Meaning of the LED symbols
Symbol
-
LED status
OFF
ON (steady light)
Flashing
Not relevant
The LEDs indicate the operating and communications status of the module according to the
following scheme:

Siemens S7-1200 Specifications

General

Digital Inputs	Integrated in CPU or via signal modules (SM)
Digital Outputs	Integrated in CPU or via signal modules (SM)
Analog Inputs	Integrated in CPU or via signal modules (SM)
Analog Outputs	Integrated in CPU or via signal modules (SM)
Communication	PROFINET
Communication Ports	1 x PROFINET
I/O Modules	Signal Modules (SM)
Programming	STEP 7
Power Supply	24V DC
Operating Temperature	0°C to 55°C
Expansion Modules	Communication Modules (CM), Battery Modules (BM)