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03.99
6
Diagnosis and troubleshooting
6.1
Evaluation of hardware diagnostics
LED displays
On front of the optional CBL board, there are two groups of LEDs.
Three LEDs display the global status of CBL and four LEDs give
information on the current status of the CC-Link interface.
The following LEDs are provided:
♦ LED_GREEN
green
♦ LED_YELLOW
yellow
♦ LED_RED
red
RD_LED
(green)
♦ RD_LED
SD_LED
♦ SD_LED
(green)
♦ ERRL
ERRL
♦ RUN
(yellow)
RUN
(green)
Status display:
o.k.
Table 6-1
Table 6-2
Siemens AG
6SE7087-6NX84-0GB0
SIMOVERT MASTERDRIVES
Telegram traffic via CC-Link
Data exchange with the basic unit
CBL on
Detecting the carrier on the link
CBL transmitting data
Data transmission errors (CRC) or hardware faults
Receive refresh and polling frames normally
LED
Status
Red
Flashing
CBL in operation; voltage supply on
Yellow
Flashing
Fault-free data exchange with the basic unit
Green
Flashing
Fault-free process-data transfer via the CC-Link
Status display of the CBL
LED
Status
RDLED
Continuously lit Detecting the carrier on CC-Link
SDLED
Continuously lit CBL is transmitting
RUN
Continuously lit Receive refresh and polling telegrams;
data transfer
ERRL
OFF
No data transmission errors (CRC);
no hardware error
Status display CC-Link interface
Operating Instructions
Diagnosis and troubleshooting
Diagnostic information CBL
Diagnostic information CC-Link
6-1
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