User manual

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