Example 3: Status Word Telegram Using Ppo Type - Danfoss VLT Midi Drive FC 280 Programming Manual

Application Examples
Table 7.4 indicates the bit functions and corresponding bit values which are active for this example.
Bit Bit value=0
00 Reference value
01 Reference value
02 DC brake
03 Coasting
04 Quick stop
05 Freeze output
06 Ramp stop
07 No function
08 No function
09 Ramp 1
10 Data not valid
11 No function
12 No function
13 Parameter set-up
14 Parameter set-up
15 No function
Function active
Function inactive
Table 7.4 Active Bit Functions for Control Word Telegram Using PPO Type

7.3 Example 3: Status Word Telegram Using PPO Type

This example shows how the control word telegram relates to the PLC and the frequency converter, using FC control profile.
The PLC sends the control word telegram to the frequency converter. In the example, PPO type 3 demonstrates the full
range of modules. All the values shown are arbitrary and are provided for demonstration purposes only.
Table 7.5 indicates the bits contained within the status word, and how they are presented as process data in PPO type 3 for
this example.
PCA IND
PIW 256 258
Bit 15 14 13
number
0 0 0
0
Table 7.5 Example: Status Word Telegram Using PPO Type
MG07F102
Programming Guide
Bit value=1
External selection lsb
External selection msb
Ramp enable
Relay 01 active
No function
Selection lsb
Selection msb
Reversing
PCV
PVA
260 262
master slave
12 11 10 9 8
0 0 1 0 0
4
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Ramp
Enable
Ramp
Start
Reset
Jog
Ramp 2
Valid
1 2
CTW MRV
0F 07 20 00
264 266
STW MAV
7 6 5 4
0 1 1 1
7
Bit value
0
0
C
1
1
1
1
7
1
0
0
0
4
1
0
0
0
0
0
0
PCD
3 4 5
PCD PCD PCD PCD
268 270 272 274
3 2 1 0
1 1 0 0
C
7 7
6
47