Siemens SINUMERIK 840D Description Of Functions page 332

6 Alarms
6.1 Alarms for SINUMERIK 840digital
27105
Axis %1, difference in function safe cam minus %2, NCK: %3,
drive: %4
Parameter %1 = Axis number
%2 = Number of cam
%3 = Monitoring status, safe cam minus
%4 = Monitoring status, safe cams minus
Explanation In the crosswise comparison of result list 2 between the monitoring channels,
NCK and drive, a difference was detected in the monitoring state of the safe
cam minus monitoring.
- safe cam 1-: Bits 2, 3 in result list 2
- safe cam 2-: Bits 6, 7 result list 2
- safe cam 3-: Bits 10, 11 in result list 2
- safe cam 4-: Bits 14, 15 result list 2
Monitoring state (%3, %4):
- OFF = monitoring inactive in this monitoring channel
- OK = monitoring active in this monitoring channel, limit values not violated
- L+ = monitoring active in this monitoring channel, upper limit value violated
- L- = monitoring active in this monitoring channel, lower limit value violated
Response Alarm display
If safe monitoring was active, then STOP B was also automatically initiated. It is
necessary to power-down the control and power it up again (power on).
Remedy Check that the safe actual values in both monitoring channels match.
For further diagnostics, the drive machine data 1393, 1394 and the servo trace
signals "Result list 2, NCK" and "Result list 2, drive" can be used.
Program continuation Clear the alarm with the RESET key. Restart part program.
27106
Axis %1, difference in function safe velocity nx, NCK: %2,
drive: %3
Parameter %1 = Axis number
%2 = Monitoring status, safely-reduced speed nx
%3 = Monitoring status, safely-reduced speed nx
Explanation In the crosswise data comparison of result list 2 between the monitoring
channels, NCK and drive, a difference was detected in the monitoring state of
the safely-reduced speed nx monitoring.
- safely-reduced speed nx+: Bits 16, 17 in result list 2
- safely-reduced speed nx-: Bits 18, 19 in result list 2
Monitoring state (%2, %3):
- OFF = monitoring inactive in this monitoring channel
- OK = monitoring active in this monitoring channel, limit values not violated
- L+ = monitoring active in this monitoring channel, upper limit value violated
- L- = monitoring active in this monitoring channel, lower limit value violated
Response Alarm display
If safe monitoring was active, then STOP B was also automatically initiated. It is
necessary to power-down the control and power it up again (power on).
Remedy Check that the safe actual values in both monitoring channels match.
For further diagnostics, the drive machine data 1393, 1394 and the servo trace
signals "Result list 2, NCK" and "Result list 2, drive" can be used.
Program continuation Clear the alarm with the RESET key. Restart part program.
6-332
SINUMERIK 840D/SIMODRIVE 611 digital SINUMERIK Safety Integrated (FBSI) - Edition 11.03
© Siemens AG 2003 All Rights Reserved
11.03