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1 device state machine control, Maestro – ElmoMC Multi-Axis Motion Controller-Maestro User Manual

Page 148

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Maestro

Software Manual

DS402 Command Reference

MAN-MASSW (Ver. Q)

10-3

10.1.1 Device State Machine Control

The state of the device is controlled by the controlword and the status of the device is
indicated by the statusword. The device’s state and the drive’s possible control
sequence are described by the state machine as depicted in the following figure:

Power
Disabled

Start

NOT READY TO

SWITCH ON

SWITCH ON

DISABLED

READY TO

SWITCH ON

Fault

FAULT REACTION

ACTIVE

Power
Enabled

SWITCHED ON

OPERATION

ENABLE

QUICK STOP

ACTIVE

NOT READY TO

SWITCH ON

11

16

5

4

8

9

6

3

12

10

7

2

1

0

13

14

15

Figure 10-1: Possible Control Sequence

Refer to the Device Control chapter in the “Elmo CANopen DS 402 Implementation
Guide
”.

The following are possible device states:

SWITCH ON DISABLED

To this state:

Operation 1 - Drive initialization is complete

Operation 7, 9,10,12 - div, DisableVoltage command for all motion objects

Operation 15 - far, FaultReset command for all motion objects

From this state: