Siemens MICROMASTER 420 Operating Instructions Manual page 114
Canopen option module
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Also See for MICROMASTER 420:
- Operating instructions manual (190 pages) ,
- Operating instruction (130 pages) ,
- Reference manual (94 pages)
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Diagnostics and troubleshooting
Table 7-2
No.
RED part of LED
1
Off
2
Single flash
3
Double flash
4
Triple flash
5
On
6
Blinking
In the CANopen specification the GREEN part of the LED indicates the status of
the CANopen network state machine.
The MICROMASTER 420/430/440 will support the following mandatory states of
the GREEN part of the LED as follows:
Table 7-3
No.
GREEN part of LED State
1
Off
2
Single flash
3
Blinking
4
On
Note that the above effects of the two colours in the LED are combined to give a
total status. For example 'CAN warning limit reached' during the 'pre-operational'
state would give a 200 ms flash of the RED LED every second interspersed with a
2.5 Hz signal on the GREEN LED.
NOTE
Orange colour LED is not critical.
114
Status of the red LED display
State
No error
Warning limit reached At least one of the error counters of the CAN
Error control event
Sync Error
Bus Off
Fatal error
Status of the green LED display
Executing a reset /
Fatal error
Stopped
Pre-operational
Operational
Description
The device is working normally
controller has reached or exceeded the warning
level (too many error frames).
A node-guard event
The sync message has not been received with-
in the configured communication cycle period
timeout (see object dictionary entry 1006H).
The CAN controller is Bus-Off
Or Fatal Error on option card
MICROMASTER specific: Fatal error on Card.
Description
The device is executing a RESET
Or (MICROMASTER specific) option module
fatal error
The device is in the STOPPED state
The device is in the PRE-OPERATIONAL state
The device is in the OPERATIONAL state
CANopen Option Module
Operating Instructions
6SE6400-5BC00-0BP0
Issue 01/05
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