Profichip VPC3+S - Page 76

7 PROFIBUS DP Extensions
76
Revision 1.04
VPC3+S User Manual
Copyright © profichip GmbH, 2012
Byte
Bit Position
Designation
7
6
5
4
3
2
1
0
0
0
0
0
1
1
1
0
0
Structured_Length
1
0
0
0
0
0
1
0
0
Structure_Type
2
0
0
0
0
0
0
0
0
Slot_Number
3
0
0
0
0
0
0
0
0
Reserved
4
0
0
0
0
0
0
0
1
Version
5
:
8
375 / 750 / 1500 / 3000 / 6000 / 12000
(= 31,25 s / 62,5 s / 125 s / 250 s / 500 s / 1000 s)
T
BASE_DP
:
Time Base for T
DP
(Time Base 1/12 s)
9
:
10
1..(2
16
-1)
Note: GSD-Spezifikation: T
DP_MAX
=32 ms
T
DP
:
DP Cycle Time
(Time Base T
BASE_DP
)
11
1..14
T
MAPC
:
Master Application
Cycle Time
(Time Base T
DP
)
12
:
15
375 / 750 / 1500 / 3000 / 6000 / 12000
(= 31,25 s / 62,5 s / 125 s / 250 s / 500 s / 1000 s)
T
BASE_IO
:
Time Base of T
I
,T
O
(Time Base 1/12 s)
16
:
17
0..(2
16
-1)
T
I
:
Instant in Time of the
Actual Value Acquistion
(Time Base T
BASE_IO
)
18
:
19
0..(2
16
-1)
T
O
:
Instant in Time of the
setpoint transfer
(Time Base T
BASE_IO
)
20
:
23
0..(2
32
-1)
T
DX
:
Data_Exchange Time
(Time Base 1/12 s)
24
:
25
1..(2
16
-1) (Default: 12)
T
PLL_W
:
PLL Window
(Time Base 1/12 s)
26
:
27
0..(2
16
-1) (Default: 0)
T
PLL_D
:
PLL Delay Time
(Time Base 1/12 s)
Figure 7-22: Format of Structured_Prm_Data with IsoM Parameter
The following input parameters have to be calculated by firmware:
- SYNC cycle time:
1__ SYNCofNumber
T
n
T
T
DPDP
SYNC
- start value of PLL window:
21_
_
nTnTWindowFirst
DPWPLL
with
11n
;
0003,02n