Rockwell-automation 842E EtherNet/IP Absolute Encoder User Manual Manuale Utente Scaricare il pdf (Pagina 22)

14 Rockwell Automation Publication 842E-UM001A-EN-P May 2012

Chapter 3 EtherNet/IP overview

Class attributes of the position sensor object

(1) Nonvolatile

Instance Services of the position sensor object are automatically populated in the

explicit message instruction configuration

Instance services of the position sensor object

1Instance attributes of the position sensor object

Num

(dec)

Required/

optional

Access

rule Name Data type Description Default

1Required

(implemented)

Get Revision INT Object revision no 0x00 02

2 Implemented Get Max instance INT Max. instance number of an object

in this class

0x00 01

3 Implemented Get Number of

instances

INT Number of object instances in this

class

0x00 01

6 Implemented Get Maximum ID

number class

attributes

INT Highest implemented class ID 0x00 64

7 Implemented Get Maximum ID

number

instance

attributes

INT Highest implemented instance

attribute ID

0x00 7A

100 Get NV

(1)

Encoder

firmware

version

ARRAY

of bytes

aa.bb: major revision

minor revision

dd.mm.yy: day.month.year

842eaa.bb

dd.mm.yy

Instance Service name Description

0x0E Get_Attribute_Single Returns value of attribute

0x10 Set_Attribute_Single Sets value of attribute

Attribute ID

(dec)

Attribute ID

(hex)

Access

rule

(1)

NV /

(2)

Name Data type Description

Min. / max

(default)

1 1 Get V Number of attributes INT Number of supported attributes in this

class

0x0039

2 2 Get V Attribute list ARRAY

of byte

List of supported attributes –

10 A Get V Position value signed DINT Current position value (32 Bit) none

11 B Get NV Position sensor type

(see following table, encoder ID)

INT Device Type

0x01: Single-turn absolute encoder

0x02: Multi-turn absolute encoder

Min 0x00 01

Max 0x00 02

(0x00 02)

12 C Set NV Direction counting toggle, code

sequence (CS)

BOOL Definition of direction of incrementing

counts (10)

0: CW

1:CCW

(0: CW)

13 D Set NV Commissioning diagnostic control

(encoder position test)

BOOL ON: 1 Encoder diagnostics possible

OFF: 0 No diagnostics implemented

(OFF: 0)

14 E Set NV Scaling function control (SFC) BOOL ON: 1 calc. value (from 16+42)

OFF: 0 phys. resolution [steps]

(OFF: 0)

15 F Set NV Position format ENG

UNIT

Format of position value

(e.g., arcsec or steps)

Engineering unit: 0x1001 (counts)

(0x1001)

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 79 80

Commenti su questo manuale

Nessun commento

Rockwell-automation 842E EtherNet/IP Absolute Encoder User Manual Manuale Utente Pagina 22

Commenti su questo manuale

Prodotti e manuali riguardandi Apparecchiature Rockwell-automation 842E EtherNet/IP Absolute Encoder User Manual