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ElmoMC SimplIQ Digital Servo Drives-Bell Command Reference User Manual

Page 82

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HY[N] (Index)

Value

Description

Defined as the
time in which
HY[1] decreases
to 0.

2 Do

nothing.

0

Absolute setting of position counter: PY=HY[2].

1

Relative setting of position counter:
PY = PY (at event) -HY[2]

5
What to set for
PY during event

2 Do

nothing.

6
Output value

Digital output value if HY[4]=1.
Only outputs defined as general output are affected.

7
PY captured
value

Captured value of PY, before any modification by the
HY[N] command (read only).

8
PX captured
value

Captured value of PX (read only).

Table 3-14: HY[N] Command Values

Notes:

HY[2] - HY[6] can be changed during the home search procedure. The activation

of the parameters is considered upon reception of the next HY[1]=1 (or higher).

If HY[2] is set to a value beyond YM[1] and YM[2], the actual auxiliary position

will not be updated when homing is complete.

Each homing event is attached to a predefined functionality (FLS, General

Purpose, Home and so on). If the corresponding input is not defined first, the
homing procedure may never end. Refer to the

IL[N]

command.

The homing and capture procedures can be carried out in any unit mode (UM=1,

2, 3, 4, 5) and reference mode (RM=0, 1).

In external reference mode (RM=1), when HY[4]=0, the software portion of the

reference is stopped, while the external portion is not. In such cases, the motor
continues to move according to the analog reference.

Homing can be safely carried out in the PTP and jog position motion modes.

With PT and PVT modes, the online reloading of the position counter can lead to
an immediate, automatic MO=0 due to an excessive position error.

When the Index or Home signal captures PY, the captured PX value is taken at

the next position controller sampling time (4 TS period). It may differ from the
PX value at the capture time by up to 4*TS*10

-6

*VY counts.

When the Index or Home signal captures PY, the digital output of HY[6] is only

set at the next position controller sampling time (4 TS period).

SimplIQ for Steppers Command Reference Manual

Alphabetical Listing

MAN-STECR (Ver. 1.1)

74