09.95
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Siemens AG 2001 All Rights Reserved 6FC5197–jAA50
4–13
SINUMERIK 840C (IA)
Explanation of display fields MSD 1st screen
Drive status This display field describes the ramp-up and operating status of the digital drives.
This status is generated in the SERVO during start-up and then changed accor-
dingly in the display (SW 4: Drive MD 11008).
Possible data:
0 8 OFF
1 8 On (after the drive has returned status signal to SERVO)
2 8 On-line (communication possible)
3 8 Bootstrap (drive must be rebooted)
4 8 Connected (drive ramp-up completed)
5 8 Ready (drive under closed loop control, Power On)
Main spindle drive This display field describes the actual MSD drive, i.e. the one which has been
selected using softkeys drive +/–.
Ramp-up phase This display field contains the control word for the ramp-up control of the 611D
components and exists for each logical digital drive number (drive MD 11000).
The ramp-up state set by the SERVO is shown in the high byte and the state ack-
nowledged by the drive is shown in the low byte (see description drive status).
Possible information:
High byte 8 Set ramp-up status
(SERVO)
Values: 0 – 5
Low byte 8 Acknowledged ramp-up state (drive)
Values: 0 – 5
Possible display range: 0000 – 0505
Pulse enable This display field contains the status of terminal 63/48 of the infeed/regenerative
(terminal 63/48) feedback unit. (SW 3: drive MD 11.2 – pulse suppression for all drives – SW 4:
MD 1700.2).
Possible display range: off or on.
Drive enable This display field contains the status of terminal 64 of the infeed/regenerative
(terminal 64/63) feedback unit (SW 3: drive MD 11.6 – for all drives – SW 4: drive MD 1700.6).
Possible display range: off or on.
Pulse enable This display field contains the status of terminal 663 (SW 3: drive MD 11.1 –
(terminal 663) module-specific pulse suppression – SW 4: drive MD 1700.1).
Possible display range: off or on.
Pulse enable This display field contains the status of the pulse enable PLC of the cyclic control
PLC setpoint word 2 (drive MD 11005.7).
Possible display range: off or on.
Speed controller This display field shows the condition of the speed controller enable NC of cyclic
enable setpoint control word 2 (drive MD 11005.9).
Possible display range: off or on.
Setpoint parameter set This display field contains the current set parameter set of cyclic control word 2
(drive MD 11005.0–2).
Possible display range: 0 – 7
Motor selection setpoint This display field contains the current motor type of cyclic control word 2 (drive
MD 11005.3).
Possible display range: Y or D (8 star or delta)
CRC error This display field contains the number of bus transmission errors between NC
and drive detected by the hardware (drive MD 11001).
Possible display range: 0000 – FFFF
4 MMC Area Diagnosis
4.3 Drive service displays for spindle (MSD) and axis (FDD) – as from SW 3)
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