Na : Near Position; Nb : Near Position; Nma: Near A Output Mode; Nmb: Near B Output Mode - NSK MEGATORQUE M-ESB-YSB2020AB300 User Manual

Esb driver unit motor system
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8. Glossary of Command and Parameter
NA: Near Position A
NB: Near Position B
Format
Data range
Shipping set
Default
l In a positioning with the Programmable Indexer or the RS-232C communication command, the
NEARA or NEARB output reports that the Motor has reached the close proximity zone that is
set with the NA or the NB data in unit of pulse in front of the positioning destination.
l The NA data is for the EARA output, while the NB data is for the NEARB output.
l If the NMA or the NMB parameter is 0, the NEARA or the NEARB output will be in the target
proximity mode.
l The TS, ?NA, or ?NB command reports the current setting.
l For details of function, refer to "7.1.15. Target Proximity / In-target."
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NMA: Near A Output Mode

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NMB: Near B Output Mode

Format
Data range
Shipping set
Default
l Selects the mode of the NEARA and the NEARB outputs.
l When the data is set to 0, the outputting mode will be the Target proximity, and the outputs will
report that the Motor has reached the proximity set with the NA or the NB in the unit of pulse.
l If the data is set from 0.3 to 100.0, the outputting mode will be the In-target and the outputs
repot that the Motor is on a position set with the ZAS and the ZAE, or the ZBS and the ZBE on
the user position scale. The data of NMA and NMB are the minimum holding time of output
when the Motor passes the zone at very high velocity.
l The TS or ?NM command reports the current setting.
l For details of function, refer to "7.1.15. Target Proximity / In-target."
: NA data
: NB data (Not applicable to ESBB3 and 23 type Driver Units.)
: 1 to 99 999 999 [pulse]
: 100
: Not available
: NMA data
NMB data (Not applicable to ESBB3 and 23 type Driver Units.)
: 0, 0.3 to 100.0 [0.1 sec]
: 0
: 0
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