Siemens SINUMERIK 840C Installation Instructions Manual page 577

7 Drive Machine Data (SIMODRIVE Drive MD)
7.3.2 Drive MD (data description)
1730
Default value
0000
This data indicates the current operating mode.
Bit 0 FDD
Bits 1-3 Not assigned
Bit 4 MSD
Bits 5-11 Not assigned
Bit 12 V/f
1731
Default value
0000
This machine data displays the internal ZK1 Power On register. The machine data
"Concealable alarms" (Power On MD 1600) is not taken into account for MD 1731.
Note:
This display value is reset only after Power On (hardware reset).
See drive MD 1600 for bit assignment.
1732
Default value
0000
This machine data displays the internal ZK1 reset register. The machine data "Concealable
alarms" (reset MD 1601) is not taken into account for MD 1732.
Note:
This display value can only be reset through an NC reset process (software reset).
See drive MD 1601 for bit assignment.
1733
Default value
0
This diagnostic machine data indicates how many times the motor temperature or DC link
measurement executed by the low-priority frequency channel was erroneous, i.e. this data acts
as an indirect hardware indicator (HW diagnostic statement) for the low-priority frequency
channel.
Note:
This machine data is always reset when the drive is switched on.
7–162
Operating mode (display)
Lower output limit Upper output limit
0000
Image ZK1-PO register
Lower output limit Upper output limit
0000
Image ZK1-RES register
Lower output limit Upper output limit
0000
NPFK diagnosis counter
Lower output limit Upper output limit
0
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Units
FFF Hex
0: off
1: on
0: off
1: on
0: off
1: on
Units
FFFF Hex
Units
FFFF Hex
Units
32 767
6FC5197- AA50
SINUMERIK 840C (IA)
07.97
Active
at once
Active
at once
Active
at once
Active
at once
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