Ac - acceleration – ElmoMC SimplIQ Digital Servo Drives-Bell Command Reference User Manual

Page 23

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AC - Acceleration

Purpose:
Defines the maximum acceleration in counts/second

2

. This parameter is used in speed

mode (UM=2) and position control modes (UM=3, 4, 5) in PTP (PA, PR) and jogging
(JV) reference modes.

The AC parameter does not affect the present motion. It is used for planning the next
motion, which is initiated by a BG command.

If AC is smaller than SD, the maximum possible acceleration will be limited to

SD and the value of AC will be ineffective.

Attributes:

Type: Parameters,

Integer

Source:

Program, RS-232, CANopen

Restrictions: None
Default values:

20,000,000 (RS), Non-volatile

Range:

Acceleration range

Unit modes:

UM=2, 3, 4, 5

Activation: BG
SimplIQ:
Similar

Typical applications:
1. Define acceleration limits for the motion (UM=2)
2. Plan a profiled motion (UM=3, 4, 5)

See also:

DC

,

SP

,

SV

,

PA

,

PR

,

BG

Application notes:

The Position Reference Generator

The speed software command

SimplIQ for Steppers Command Reference Manual

Alphabetical Listing

MAN-STECR (Ver. 1.1)

15

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