Communication / PROFIBUS
09.2008
6SE7087-6QX70 (Version AK) Siemens AG
8.2-118
Compendium Motion Control
SIMOVERT MASTERDRIVES
LED Status
Diagnostic
information
Red
Yellow
Green
Off
On
On
Voltage supply for CBP cut off; replace CBP or basic
unit
Red
Yellow
Green
On
Off
On
Data exchange with the basic unit not possible;
replace CBP or basic unit
Red
Yellow
Green
On
On
Off
No cyclical useful data traffic with a master, class 1,
via PROFIBUS is possible; PROFIBUS cable not
connected or defective
Table 8.2-22
Fault display CBP
In the following, all exceptional operating conditions are listed which are
displayed as such by the CBP.
LED Status
Diagnostic
information
Red
Yellow
Green
Flashing
Off
On
CBP is waiting for the basic unit to begin initialization
Red
Yellow
Green
On
Off
Flashing
CBP is waiting for the basic unit to complete
initialization
Red
Yellow
Green
Flashing
On
Off
Checksum error in flash EPROM of the CBP
(Download firmware again or replace CBP)
Red
Yellow
Green
Flashing
On
On
Error in RAM test of the CBP
Replace CBP (external RAM, DPRAM or SPC3-RAM
defective)
Red
Yellow
Green
Flashing
Off
Off
Only CBP2
DP slave software detects serious fault
Note fault number in r732.8 and inform Customer
Service
Table 8.2-23
Exceptional operating conditions
LED Status
Diagnostic
information
Red
Yellow
Green
Off
Off
Flashing
Only CBP2
USS protocol has been set
Table 8.2-24
USS