Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario descargar pdf (Pagina 269)

Rockwell Automation Publication 750-PM001J-EN-P - October 2014 269

Embedded Feature and Option Module Parameters Chapter 5

Dual Incremental Encoder

Module Parameters

Single Incremental Encoder

7Phase Loss Count

Phase Loss Count

Displays the total number of encoder errors detected by the encoder card every 1

millisecond sample interval. These values are reset to zero every 1 millisecond.

Diagnostic Items are available for the encoder that show the errors counted over 8

milliseconds as well as the peak error values. The peak values are reset when the drive

faults are cleared.

Default:

Min/Max:

0 / 127

RO Real

8 Quad Loss Count

Displays the total number of encoder errors detected by the encoder card every 1

millisecond sample interval. These values are reset to zero every 1 millisecond.

Diagnostic Items are available for the encoder that show the errors counted over 8

milliseconds as well as the peak error values. The peak values are reset when the drive

faults are cleared.

Default:

Min/Max:

0 / 15

RO Real

File

Group

No. Display Name

Full Name

Description

Values

Read-Write

Data Type

File

Group

No. Display Name

Full Name

Description

Values

Read-Write

Data Type

Dual Incremental Encoder

Encoder 0

1Enc 0 Cfg

Encoder 0 Configure

RW 16-bit

Integer

Configures the position direction, speed calculation method, signal type and active encoder channels used for Encoder 0 (primary encoder).

Bit 0 “Z Channel Enbl” – Configures the Channel Z to be used and monitored for Phase Loss. A value of 0 = the Z channel will be ignored.

Bit 1 “A Chan Only” – Configures the module to use only the A channel, and ignore the B channel. In this mode, direction cannot be determined, and the position

counter will always count up.

Bit 2 “Edge Mode” – Configure the module to use AB edge time data for speed calculation rather than accumulated count.

Bit 4 “Single Ended” – Configure when the A Quad B encoder has single ended signals. In this mode, Phase Loss detection is disabled.

0 = Differential, 1 = Single Ended

Bit 5 “Direction” – Inverts the feedback count up/down associated with a given rotation direction internally. 1 = invert, 0 = do not invert

2Enc 0 PPR

Encoder 0 Pulses Per Revolution

Configures the encoder module's primary input (Encoder 0) for the Pulses Per Revolution

(Encoder Lines) of the A Quad B Encoder.

Default:

Min/Max:

1024

2 / 20000

RW 32-bit

Integer

3 Enc 0 FB Lss Cfg

Encoder 0 Feedback Loss Configure

Configures how the drive reacts to an error status condition for Encoder 0 (primary

encoder).

“Ignore” (0) – No action is taken.

“Alarm” (1) – Type 1 alarm indicated.

“Flt Minor” (2) – Minor fault indicated. If running, drive continues to run.

Enable with P950 [Minor Flt Cfg]. If not enabled, acts like a major fault.

“FltCoastStop” (3) – Major fault indicated. Coast to Stop.

Default:

Options:

3 = “FltCoastStop”

0 = “Ignore”

1 = “Alarm”

2 = “Flt Minor”

3 = “FltCoastStop”

RW 32-bit

Integer

4Enc 0 FB

Encoder 0 Feedback

Displays the position feedback value of Encoder 0 (primary encoder). This should be

used as a source for the main control (Port 0) Feedback Select.

Default:

Min/Max:

–/+2147483647

RO 32-bit

Integer

Options

Reserved

Direction

Single Ended

Reserved

Edge Mode

A Chan Only

Z Chan Enbl

Default0000000000000000

Bit 1514131211109876543210

0 = Condition False

1 = Condition True

1 2 ... 264 265 266 267 268 269 270 271 272 273 274 ... 543 544

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Rockwell-automation 21G PowerFlex 750-Series AC Drives Programming Man Manual de usuario Pagina 269

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