ProSoft Technology MVI46-PDPMV1 - Manual (Page 118)

Reference MVI46-PDPMV1 ♦ SLC Platform
User Manual PROFIBUS DPV1 Master
Page 118 of 160 ProSoft Technology, Inc.
March 25, 2011
Slave List Structure for Offset Words 13, 21 and 29
PROFIBUS Master Status Data (M1 Word Offsets 37 to 78)
M1 Word Offset Description
37
Low byte: Not used
High byte: PROFIBUS Master operating state
0x0000=Offline
0x4000=Stop
0x8000=Clear
0xC000=Operate
38
PROFIBUS Master PNO identification number (Bytes will be swapped)
Low byte: Most significant byte (MSB)
High byte: Least significant byte (LSB)
39 to 40 Unique 32-bit serial number for the PROFIBUS Master
41
Software version number for the PROFIBUS Master software.
Low byte: Most significant byte (MSB)
High byte: Least significant byte (LSB)
Example for Version 1.40:
High Byte: 0x40
Low Byte: 0x01
42
PROFIBUS Master module’s operating status
Low byte: Most significant byte (MSB)
High byte: Least significant byte (LSB)
Bit 2=Application Status
0: Application Stopped
1: Application Running
Bit 8=data exchange (FBRS)
0: There is no data exchange with any of the assigned slaves
1: There is Data Exchange with at least one of the assigned slaves
Bit 9=slave input frozen/cleared (FBFC)
0: A slave's inputs in the IN area are cleared if a slave is not in Data
Exchange
1: A slave’s inputs in the IN area are frozen if a slave is not in Data Exchange
Bit 12=reset (RDR)
0: No action
1: A reset is requested by the PROFIBUS Master module because a new
database has been downloaded
43 to 44 CRC32 checksum for PROFIBUS Master configuration downloaded from
configuration utility