DeviceNet™ CM059 Option Technical Manual

01

15

16

17

1A

1B

1C

1D

High Speed Limit

Speed Scale

Current Scale

Power Scale

Voltage Scale

Time Scale

Ref From Net

Table 38: Object Content (continued)

Drive Frequency Reference upper limit value is set / read.

*2 *3

Min. :Unit: [r/min/2

SS

] where SS: Speed scale: attribute 16

Data unit coefficient regarding speed is set / read.

Min. Unit: 1 [r/min]×1/2

SS where SS: Speed scale setting value

Data Coefficient regarding current is set / read.

Current Unit: 0.1 [A]×1/2

CS where CS: Current scale setting value

Data Coefficient regarding power is set / read.

Power Unit: 1 [W]×1/2

PS where PS: Power scale setting value

Data unit coefficient regarding voltage is set / read.

Voltage Unit: 1 [V]×1/2

VS where VS: Voltage scale setting value

Data unit coefficient regarding time is set and read.

Time Unit: 1 [ms]×1/2

TS where TS: Time scale setting value

Drive frequency reference input selection status is displayed

*1

00: Frequency Reference input other than

DeviceNet is enabled.

01: Frequency Reference input from DeviceNet is enabled.

0-

100.0%

-15-15

(F1-0F)

-15-15

(F1-0F)

-15-15

(F1-0F)

-15-15

(F1-0F)

-15-15

(F1-0F)

00,01

Notes:

*1 A setting during Drive operation cannot be changed.

0x0708

(1800r/ m)

00

00

00

00

00

00 o o o o o o o

*2 An application of speed command, speed monitor, speed lower limit value, and speed upper limit value must be set as a motor pole value (2~39) to the Drive parameter o1-03 (frequency reference set/display unit selection)

*3 Control mode, speed lower limit, and speed upper limit cannot be set during Drive operation.

SS: Speed Scale (AC/DC Drive Object Attr. 22)

CS: Current Scale (AC/DC Drive Object Attr. 23)

PS: Power Scale (AC/DC Drive Object Attr. 26)

VS: Voltage Scale (AC/DC Drive Object Attr. 27)

TS: Time Scale (AC/DC Drive Object Attr. 28) o o o o o o

Word

Byte

Byte

Byte

Byte

Byte

−

Byte

55

Drive Parameters Object Class 100 (64 Hex):

This DeviceNet Object Class can read and write all of the same parameters and monitors available via Drive digital operator keypad. This Object Class is designed specifically for Yaskawa Drives.

A built-in Modbus protocol and addressing scheme is standard in all Yaskawa Drives. The Yaskawa DeviceNet option card converts the DeviceNet message to Modbus for use internally in the Drive.

Yaskawa Drive Parameter Object Class 100 is modeled after the Drive's internal Modbus addressing scheme. The DeviceNet path for each Drive parameter is derived by converting the Drive's Modbus register number to the DeviceNet path, Class /

Instance / Attribute. Reading or writing parameters to the Drive via DeviceNet is simplified because the DeviceNet path closely matches the Drive's Modbus register numbers.

Service Code No. (Hex)

0E

10

Table 39: Supported Service

Service Name

Get_Attribute_Single

Set_Attribute_Single

Description of Service

Designated attribute content is returned.

Designated attribute content is changed.

-

Table 40: Converting the Modbus Register Number to the DeviceNet Path

Modbus Register: 0180 Hex

Example Data

Class

DeviceNet Path: 64 / 01 / 80 Hex

Example Data

64 Hex

Byte 1

Byte 0

01 Hex

80 Hex

→

→

Instance

Attribute

01 Hex

80 Hex

•

The DeviceNet Class for parameter access is always “64”.

•

The DeviceNet Instance is always equal to Modbus register byte 1 or the MSB (most significant byte).

•

The DeviceNet Instance is always equal to Modbus register byte 0 or the LSB (least significant byte).

•

The data size for each Attribute is 2 bytes.

Refer to the Drive User Manual for description on the parameters and Modbus Manual for Modbus registers.

Example 1:

Reading the Reference Source Parameter b1-01 Value by Explicit Messaging

To read parameter b1-01 (Modbus register 0180 Hex) Reference Source, first convert the Modbus register number to DeviceNet

Instance and Attribute.

Modbus register 01 80 hex = Instance 01 hex and Attribute 80 hex

Then, send an explicit message with Service Code 0E Hex (Get Attribute Single) to Class 64 / Instance 1 / Attribute 80 Hex. If the returned value is 0001 Hex, then Reference Source is set to Parameter Setting 1, Terminals.

Note: The same Class / Instance / Attribute paths are used in the EDS file provided by Yaskawa.

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