Data Block For Status Messages (Db-Ss) - Siemens SIMATIC FM 353 Manual

Human-machine Interface
8.3

Data block for status messages (DB-SS)

Overview
The following table lists the parameters/data that can be read out during operation.
Table 8-4 Parameters/data of the DB-SS (DB No. 1000)
Byte Variable type
0...35
36...59
1)
Offset Variable type
24 8 x BOOL
25 8 x BOOL
26 2 x BYTE
28 2 x BYTE
30 8 x BOOL
31 8 x BOOL
32 BYTE
33 8 x BOOL
34 BYTE
35 8 x BOOL
36 12 x BYTE
48 DWORD
52 DWORD
56 DWORD
60 DWORD
64 DWORD
68 STRUCT
88 16 x BOOL
90 16 x BOOL
92 DINT
96 DINT
100 DINT
104 16 x BOOL
106 STRUCT
1) A variable in the S7 protocol is addressed by the DB No. and, depending on data format, by the DBB, DBW
and DBD No. (offset in DB), as well.
8-20
Value Significance of the variables
DB header
Internal header information
Value Significance of the variables
Control signals
Control signals
Control signals
Control signals
Checkback signals
Checkback signals
Checkback signals
Checkback signals
Checkback signals
Checkback signals
Reserved
Velocity level 1
Velocity level 2
Frequency level 1
Frequency level 2
Setpoint for incremental value
MDI block MDI block
struc.
Single functions
Single commands
Zero offset
Set actual value
Set actual value on the fly
Digital inputs/outputs
MDI block MDI block on the fly
struc.
Comment
Comment
Byte 0
Byte 1
Byte 2, 3
Byte 4, 5
Byte 0
Byte 1
Byte 2
Byte 3
Byte 4
Byte 5
FM 353 Stepper Drive Positioning Module
6ES7 353-1AH01-8BG0