7 Drive Machine Data (SIMODRIVE Drive MD) 07.97
7.3.2 Drive MD (data description)
Operating mode (display)
1730
Default value Lower output limit Upper output limit Units
0000 0000 FFF Hex
Active
at once
This data indicates the current operating mode.
Bit 0 FDD 0: off
1: on
Bits 1-3 Not assigned
Bit 4 MSD 0: off
1: on
Bits 5-11 Not assigned
Bit 12 V/f 0: off
1: on
Image ZK1-PO register
1731
Default value Lower output limit Upper output limit Units
0000 0000 FFFF Hex
Active
at once
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.
Image ZK1-RES register
1732
Default value Lower output limit Upper output limit Units
0000 0000 FFFF Hex
Active
at once
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.
NPFK diagnosis counter
1733
Default value Lower output limit Upper output limit Units
0 0 32 767 –
Active
at once
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 © Siemens AG 1992 All Rights Reserved 6FC5197- AA50
SINUMERIK 840C (IA)