2 home return – IAI America SSEL User Manual
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Part 3 Positioner Mode
5.2 Home
Return
In the DS-S-C1 compatible mode, no dedicated home-return input is available.
Home return will be performed when the start signal is input after specifying position No. 0. The
positioning complete output signal is OFF after the power is input when home return is not yet completed.
Timings associated with home-return operation are illustrated below.
T1: Time after the ready output turns ON until the start signal can be input (50 msec or more)
T2: Start signal input (30 msec or more)
Timing Chart of Home-return Operation (Standard Positioner Mode)
Perform home-return operation by following the procedure explained below.
* Before commencing the procedure, confirm that the ready output signal and alarm output signal are
ON.
[1] Specify position No. 0 (PC1 through 1000 are all OFF).
[2] Turn ON the start input signal (continuously for 30 msec or more (T2)).
[3] Turn OFF the start input signal.
[4] Confirm that the positioning complete output signal is ON. Home return is now completed.
Input
Output
Start
Alarm
Ready
Positioning
complete
Home return
Stop