Modbus – IAI America ROBO Cylinder Series User Manual

Page 124

Advertising
background image

5. Modbus RTU

116

Modbus

5.4.2 Safety Speed Enable/Disable Switching (SFTY)

(1) Function

This query enables/disables the speed specified by user parameter No. 35, “Safety speed.”

Enabling the safety speed in the MANU mode will limit the speeds of all movement commands.

(2) Query format

Field

Number of data items

(number of bytes)

RTU mode

8-bit data

Remarks

Start

None

Silent interval

Slave address [H]

1

Arbitrary

Axis number + 1 (01

H

to 10

H

)

00

H

when broadcast is

specified

Function code [H]

1

05

Write to a single coil DO.

Start address [H]

2

0401

Safety speed command

Changed data [H]

2

Arbitrary

Safety speed enabled: FF00

H

Safety speed disabled: 0000

H

Error check [H]

2

CRC (16 bits)

End

None

Silent interval

Total number of bytes

8

(3) Response

If the change is successful, the response message will be the same as the query.

If invalid data is sent, an exception response (refer to section 7) will be returned, or no response

will be returned.

Advertising