Siemens SIMATIC FM 453 Manual page 121

6.6 User Data Block
Overview
The following table provides you with a description of the user data block
structure.
One of these user DBs must exist for each channel that is used.
Table 6-5 User DB for the FM 453
Abso-
Relative Decla-
lute Ad-
Address ration
dress
Job box for FC MODE_WR
0.0
0.0 +0.0
1.0 +1.0
1.1 +1.1
1.2 +1.2
1.3 +1.3
1.4 +1.4
1.5 +1.5
1.6 +1.6
1.1 +1.7
=2.0
Job box for FC RD_COM
2.0
2.0 +2.0
3.0 +3.0
3.1 +3.1
3.2 +3.2
3.3 +3.3
=2.0
is entered by FC INIT_DB
4.0 +4.0
6.0 +6.0
8.0 +8.0
10.0 +10.0
12.0 +12.0 stat
14.0 +14.0 stat
18.0 +18.0 stat
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Variable Data Type
JOB_WR STRUCT
NO BYTE
BUSY BOOL
DONE BOOL
IMPOSS BOOL
UNKNOWN BOOL
BIT1_4 BOOL
BIT1_5 BOOL
MODE_BUSY BOOL
POS_REACHED BOOL
END_STRUCT
JOB_RD STRUCT
NO BYTE
BUSY BOOL
DONE BOOL
IMPOSS BOOL
UNKNOWN BOOL
END_STRUCT
WORD4 WORD
WORD6 WORD
WORD8 WORD
WORD10 WORD
MOD_ADR WORD
CH_ADR DWORD
DS_OFFS BYTE
Programming the FM 453
Initial
Comments
Value
Write jobs
B#16#0 Write job number
FALSE Write job busy
FALSE Write job finished
FALSE Write job impossible
FALSE Write job unknown
FALSE Reserved
FALSE Reserved
FALSE Start an operating mode
FALSE Position reached
Read jobs
B#16#0 Read job number
FALSE Read job busy
FALSE Read job finished
FALSE Read job impossible
FALSE Read job unknown
W#16#0 Reserved
W#16#0 Reserved
W#16#0 Reserved
W#16#0 Reserved
W#16#0 Module address
DW#16#0 Channeladdress
B#16#0 Offset for channel-specific
data set number
6-25