Siemens Sinumerik 840C Diagnostics Manual page 217

04/96
07/97
300756 Hysteresis of torque setpoint smoothing too large
Scan
Cyclic after control power up
Effect
for MSD:
S
Pulse suppression, motor runs down
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
for FDD:
S
Controllers are disabled, motor is braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
Explanation
Hysteresis of the torque setpoint smoothing MD 1246 is greater than or equal to the threshold of the torque set-
point smoothing MD 1245.
Remedy
Eliminate error on inputting MD 1246 and MD 1245.
Note
Applies as from SW 4
300757 Torque matching factor too great
Scan
Cyclic after control power up
Effect
for MSD:
S
Pulse suppression, motor runs down
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
for FDD:
S
Controllers are disabled, motor is braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
Explanation
The torque matching factor MD 1191 is beyond the format limit.
Remedy
Eliminate error on inputting MD 1191.
Note
Applies as from SW 4
300758 Upper generator threshold too high
300858
Scan
Cyclic after control power up
Effect
for MSD:
S
Pulse suppression, motor runs down
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
for FDD:
S
Controllers are disabled, motor is braked
S
SIMODRIVE_READY and DRIVE_READY are cancelled.
S
Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
Alarm output can be activated via MD 1012.4 as from V. 5.2 (611D: SW 3).
S
MD 1012.4 = 0: 300758
S
MD 1012.4 = 1: 300858
Explanation
Upper threshold of the two-point controller is too high in the generator mode
MD1631 + MD1632 exceeds that in MD1633.
Remedy
Eliminate error on inputting MD 1631, MD 1632 and MD 1633.
Note
Applies as from SW 4
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
1 Alarms
1.5.1 Alarm description
Reset key
Reset key
Reset key
i.e. the sum of the values in
1–209