Siemens SINUMERIK 840Di Diagnostic Manual page 737

11/2006
300745 Axis %1 drive %2 limit values for safe end positions exchanged
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: For the safe end position monitoring, there is a smaller value in the MD for the upper limit value than
in the MD for the lower limit value.
Request: During boot-up of the control.
Reaction: Mode group not ready.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department.
Check the MDs
- Modify MD 1334: $MD_SAFE_POS_LIMIT_PLUS[n] (upper limit value for safe limit position) and
- Modify MD 1335: $MD_SAFE_POS_LIMIT_MINUS[n] (lower limit value for safe limit position)
and modify so that the upper limit value exceeds the lower limit value.
Program Switch control OFF - ON.
Continuation:
300746 Axis %1 drive %2 SBH/SG not enabled
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: In the machine data 1301: $MD_SAFE_FUNCTION_ENABLE (safe functions enable) the function
SBH/SG has not been enabled although the function SE/SN has been selected in this MD.
Request: During boot-up of the control.
Reaction: Mode group not ready.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Enable the function SBH/SG via MD
1301: $MD_SAFE_FUNCTION_ENABLE (safe functions enable).
Program Switch control OFF - ON.
Continuation:
300747 Axis %1 drive %2 monitoring cycle time MD 1300 invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: Check and, if necessary, correct MD 1300: $MD_SAFETY_CYCLE_TIME (monitoring cycle) has not
been set as a multiple of the NC position control cycle.
Request: During boot-up of the control.
Reaction: Mode group not ready.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Please inform the authorized personnel/service department. Set the monitoring cycle via MD 1300 to
n * NC position control cycle, n must be >= 1.
Program Switch control OFF - ON.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
SIMODRIVE alarms
2-737