34 mechatrolink connection (connect: 0eh), 34 mec, 34 mechatrolink connection (connect: 0eh) -43 – Yaskawa SGDS Sigma III Servo Amplifier User Manual

Page 174

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6.3 Main Commands

6-43

6.3.34 MECHATROLINK Connection (CONNECT: 0EH)

• Details of COM_MOD

* The SERVOPACK changes communication to phase 2 when EXMOD is set to 1. The SERVOPACK

changes communication to phase 3 after SYNC_SET setting.

Byte

CONNECT

Description

Command

Response

1

0EH

0EH

Processing
classifications

Network com-
mand group

Synchronization
classifications

Asynchronous

2

ALARM

Processing time

Communications
cycle or more

Subcommand

Cannot be used

3

STATUS

• Establishes a MECHATROLINK connection. Sets the communications mode

according to COM_MOD.

• VER: Version

Set VER to 10H (Ver. 1.0).

• Subcommand: Cannot be used.

COM_MOD: Communications mode. Refer to the following table.

• COM_TIM: Communications cycle [ms]

Set the multiple number of 2 [ms] in the range of 2 to 32 [ms].
2 [ms]

COM_TIM

32 [ms]

• A command warning will occur and the command will be ignored in the

following cases.
- If COM_MOD is not within range: Data setting warning 2 (A.94B)
- If COM_TIM is not within range: Data setting warning 2 (A.94B)

4
5

VER

VER

6

COM_MOD

COM_MOD

7

COM_TIM

COM_TIM

8
9

10

11

12
13
14
15
16

WDT

RWDT

D7

D6

D5

D4

D3

D2

D1

D0

SUBCMD

0

0

0

DTMOD

SYNCMOD

EXMOD

• EXMOD:

0: Standard connection
1: Extended connection

• SYNCMOD*:

0: Asynchronous communications
1: Synchronous communications

• DTMOD:

00,11: Single transfer
01: Consecutive transfer
10: Multiple transfers (not supported)

Phase 1

Phase 2

Phase 3

EXMOD=1
SYNCMOD=1

SYNC_SET

Warning

EXMOD=0,
SYNCMOD=1

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