Communication modules
6.5 CP52A0 GDM access module
SIMATIC TDC hardware
System Manual, 08/2017, A5E01114865-AL
159
6.5.4
Status and fault displays
Status displays for CP52A0
Table 6- 19 Status displays for the CP52A0 GDM access modules
LED display
Module status
H1
H2
Off
Off
During voltage run-up
Off
On
FPGAs are configured, module is not initialized
On
Off
Module is initialized and operating error-free
On
On
After 3.3 V or 2.5 V voltage failure
•
Hardware failure => Switch off the rack and replace CP52A0
Status displays for communication
Table 6- 20 Status and fault displays of the CP52A0 GDM access module
LED display
State
H3
Off
No data transmission to the CP52IO GDM interface module
Glowing
*)
/lit Data transmission to the CP52IO GDM interface module
H4
Off
Missing or faulty data transmission from the CP52IO GDM interface mod-
ule
Glowing
*)
/lit Error-free data transmission from the CP52IO GDM interface module
H5
Off
No ramp-up ID from the CP52IO GDM interface module
On
Ramp-up ID set
H6
Off
Clock trigger and base sampling time are parameterized and have send
authorization from CP52IO
On
The clock trigger and basic sampling time have been parameterized for
transmission but have no transmit authorization from the CP52IO (priority
logic is inhibiting one of the two signals)
*)
The brightness of the LED indicates the density of periodic data traffic.
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