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6.3.3
Status and fault displays
Status displays for module operation
Table 6- 11
H1 (green)
Off
Off
On
On
Table 6- 12
H7 (green)
Off
Off
Flashing
On
Status displays for network operation
Table 6- 13
H3 (green)
H4 (yellow)
H5 (green)
H6 (green)
SIMATIC TDC hardware
System Manual, 12/2013, A5E01114865-07
Operating state displays for CP51M1 (LED H1 and H2)
Display
H2 (red)
Off
On
Off
On
Operating state displays for CP51M1 (LED H7 and H8)
Display
H8 (yellow)
Off
On
Off
Off
Operating state displays for CP51M1 (LED H3 to H6)
LED
Display
On
On
On
Flashing
On
CP51M1 is switched off or not parameterized
CP51M1 is ready but not yet initialized
CP51M1 is initialized
Power failure on CP51M1
Module is switched off (off-current state)
STOP operating state
Initialization error, no valid configuration found
CP51M1 startup
RUN operating state
Startup completed, CP51M1 is in normal operation
CP51M1 has at least one full duplex connection
Data traffic in transmit and/or receive direction on Ethernet
CP51M1 is communicating via Fast Ethernet (100 Mbps)
CP51M1 is in the "auto-sensing phase"
CP51M1 is connected (link) to an Ethernet compatible device (hub,
switch, PC)
Communication modules
6.3 CP51M1 communication module
Operation state
Operation state
Operation state
109
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