ProSoft Technology ProTalk PTQ-PDPMV1 User Manual page 255

PTQ-PDPMV1 ♦ Quantum Platform
PROFIBUS DP Master Network Interface Module for Quantum
With Mailbox Messaging and With Slave Diagnostics

Mailbox Messaging = Y

Slave Diagnostics = Y
Input Data Block from Module to Processor (1369 Words Maximum)
Word Offset
0 to 78
79 to 222
223 to 600
601 to n
Output Data Block from Processor to Module (918 Words Maximum)
Word Offset
0
1
2 to 3
4 to 5
6 to 149
150 to n
ProSoft Technology, Inc.
August 12, 2014
Description
Configuration and status data
Incoming Mailbox Message data: 144 word Incoming Message
block
Incoming slave 6 byte diagnostics data for 126 slaves (378
words of data for slaves 0 to 125). Refer to Standard
PROFIBUS Slave Diagnostic Bytes (page 241).
PROFIBUS Input Data: Data received from the PROFIBUS
slave devices on the network
Total size of the PROFIBUS Input Data block is a function of
the PROFIBUS network configuration. Maximum size is 1536
bytes (768 words).
n is a function of the user-selected size of the PROFIBUS Input
Data block.
Description
Last In Mailbox Message ID
Last Alarm Control Index
PROFIBUS CRC32: computed for PROFIBUS configuration
Module CRC32: computed for module data
When the module first starts up or recognizes an initialization of
the processor, it will compare the values of the two CRCs in the
input and output images. If either one of the CRCs does not
match, the module will be placed in STOP mode. If each set
matches, the module will be placed in OPERATE mode.
Outgoing Mailbox Data: Mailbox Message command being sent
to the PTQ module
PROFIBUS Output Data: Data going to the PROFIBUS
network
Total size of the PROFIBUS Output Data block is a function of
the PROFIBUS network configuration. Maximum size is 1536
bytes (768 words).
n is a function of the user-selected size of the PROFIBUS
Output Data block.
Reference
User Manual
Page 255 of 306