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ProSoft Technology PTQ-PDPMV1 User Manual

Page 203

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PTQ-PDPMV1 ♦ Quantum Platform

Hot Standby Support

PROFIBUS DP Master Network Interface Module for Quantum

User Manual

ProSoft Technology, Inc.

Page 203 of 306

August 12, 2014

Quantum
Address
(Example)

Unity
Address
(Example)

Word
Offset

Name

Description

1061

%IW1061

61

Low byte: HSBY
Local Status - from
PROFIBUS
interface
High byte: HSBY
Local number of
slaves - from
PROFIBUS
interface

High Byte

Low Byte

16

8

7

0

H

S

- - O

D

D
B

C
E

S
O

P
A


Bit

Explanation

HS

This bit indicates if the Hot Standby
functionality is enabled.
0 - HSBY disabled. Module operates as
stand-alone Master or HSBY state equals
"Not connected".
1 - HSBY enabled


1062

%IW1062

62

HSBY Message
length - from UDP
HSBY Server

See explanation of bits OD, DB, CE, SO and PA in chart
for address 1060.

1063

%IW1063

63

Low byte: HSBY
Passive Status -
from UDP HSBY
Server
High byte: HSBY
Passive number of
slaves Message
length - from UDP
HSBY Server

Refer to word 60 for explanation. This is a backup word
derived from Ethernet UDP messaging

1064 to 1165 %IW1064 to

%IW1165

64 to
65

HSBY Passive
PROFIBUS CRC32
- from UDP HSBY
Server

CRC32 checksum for PROFIBUS Master configuration
downloaded from configuration utility via UDP

1066 to 1167 %IW1066 to

%IW1167

66 to
67

HSBY Passive User
Cfg CRC32 - from
UDP HSBY Server

PTQ-PDPMV1 module configuration checksum for
module configuration downloaded from configuration
utility via UDP

HSBY Input Status Data Word Details

Quantum Address
(Example)

Unity Address
(Example)

Relative Word
Offset

Description

1060

%IW1060

60

Remote HSBY Master Status data and number
of slaves seen by this Master

1061

%IW1061

61

Local HSBY Master Status data and number of
slaves seen by this Master

Word Offset 60 HSBY Local (Active) Master Status Data

HSBY Active # of Slaves (High byte)

HSBY Active Status (Low byte)

15

8

7

0