Output Signal Format - NSK MEGATORQUE M-ESB-YSB2020AB300 User Manual

Esb driver unit motor system
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7.1.11.1. Output Signal Format

1 IPOS mode (when the data of parameter is set to "zero": FW0)
l The format is to indicate if there is a difference between the position command and the current
position.
l The IPOS output will close only when the residual pulses in the position error counter are equal
or under the range set by the parameter IN, it is on in other states.
l However, the IPOS output is forcibly opened in the following cases even the residual pulses in
the error counter are equal or under the range set by the parameter IN.
l In case of positioning by the pulse train command input, the IPOS output closes when the
residual pulses are equal or under the IN data even the pulses are being input.
(In the low velocity operation or the feed forward control [parameter FF], the IPOS signal tends
to close.)
l The IPOS output won't close when the positioning is interrupted by the following causes.
(The IPOS output closes when the following state is cleared.)
2 FIN Mode (when the data of parameter FW is set to a positive integer: FW > 0)
l The IPOS output indicates that a positioning with given command has completed.
l The IPOS signal will be outputted as one to one correspondence for every start command such as
RUN or HOS command.
l The output signal closes only for a time set by the parameter FW when the positioning completes,
and it always opens in other state. (The data is in unit of 100 [ms]. The shipping set of FW1.0
means that the closing time is 100 ms.)
l The IPOS signal won't be outputted for positioning with the pulse train command and the JOG.
l The IPOS output won't close when the positioning is interrupted by the following causes.
3 CFIN Mode (when the data of parameter is set to a negative integer: FW < 0)
l The IPOS output reports that a positioning has completed.
l The IPOS output opens when the pulses are generated internally by the start positioning
command, and it closes when completion of the positioning is detected.
à Positioning operations by Programmable Indexer, Home Return, Jog, and RS-232C
communication positioning.
à The EMST input is ON.
à The Motor servo is off.
à The EMST input is ON.
à The Motor servo is off.
à An alarm occurs.
• The EMST input is ON.
• An alarm occurs.
— 7-17 —
7.1. General Operation and Function
7.1.11. In-Position Output (IPOS)

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