Prosoft-technology MVI56-PDPMV1 Manual do Utilizador descarregar pdf (Página 103)

MVI56-PDPMV1 ♦ ControlLogix Platform Configuring the MVI56-PDPMV1 Module

PROFIBUS DPV1 Master User Manual

ProSoft Technology, Inc. Page 103 of 255

March 22, 2011

Parameter Data Structure

SPC3 evaluates the first seven data bytes (without user prm data), or the first

eight data bytes (with user prm data). The first seven bytes are specified

according to the standard. The eighth byte is used for SPC3-specific

communications. The additional bytes are available to the application.

Byte Bit Position Designation

7 6 5 4 3 2 1 0

0 Lock

Reg

Unio

Req

Sync

Req

Free

Req

WD on Res Res Res Station status

WD_Fact_1

WD_Fact_2

MinTSDR

Ident_Number_High

Ident_Number_Low

Group_Ident

Spec_User_Prm_Byte

8 to 243

User_Prm_Data

Byte 7 Spec_User_Prm_Byte

Bit Name Significance Default State

0 Dis_Startbit The start bit monitoring in the receiver

is switched off with this bit

Dis_Startbit = 1,

Start bit monitoring is switched off.

1 Dis_Stopbit Stop bit monitoring in the receiver is

switched off with this bit

Dis_Stopbit = 0

Stop bit monitoring is not switched off.

2 WD_Base This bit specifies the time base used to

clock the watchdog.

WD_Base = 0: time base 10 ms

WD_Base = 1: time base 1 ms

WD_Base = 0

The time base is 10 ms.

3 to 4 Res To be parameterized with 0 0

5 Publisher_Enable DXB-publisher-functionality of the

SPC3 is activated with this bit

Publisher_Enable = 0, DXB-request-

telegrams are ignored;

Publisher_Enable = 1, DXB-request-

telegrams are processed

6 to 7 Res To be parameterized with 0 0

1 2 ... 98 99 100 101 102 103 104 105 106 107 108 ... 254 255

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