Example 2: Control Word Telegram Using Ppo Type - Danfoss VLT Midi Drive FC 280 Programming Manual

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Application Examples
Program the frequency converter as in Table 7.2:
Parameter
Parameter 4-10 Motor Speed Direction
Parameter 5-10 Terminal 18 Digital Input
Parameter 5-11 Terminal 19 Digital Input
Parameter 5-40 Function Relay
Parameter 8-03 Control Word Timeout Time
Parameter 8-04 Control Word Timeout Function
Parameter 8-10 Control Word Profile
Parameter 8-50 Coasting Select
Parameter 8-51 Quick Stop Select
Parameter 8-52 DC Brake Select
Parameter 8-53 Start Select
Parameter 8-54 Reversing Select
Parameter 8-55 Set-up Select
Parameter 8-56 Preset Reference Select
7
7
Parameter 9-16 PCD Read Configuration
Parameter 9-18 Node Address
Table 7.2 Parameter Settings

7.2 Example 2: Control 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 7.3 indicates the bits contained within the control word, and how they are presented as process data in PPO type 3 for
this example.
PQW
256
Bit
15
number
0
Table 7.3 Example: Control Word Telegram Using PPO Type
46
PROFIBUS DP
PCV
PCA
IND
258
260
master slave
14
13
12
11
0
0
0
0
0
Danfoss A/S © 05/2016 All rights reserved.
Setting
[2] Both directions
[0] No operation
[10] Reversing
[36/37] Control word bit 11/12
1 s
[2] Stop
[0] FC Profile
[1] Bus
[1] Bus
[1] Bus
[1] Bus
[2] Logic AND
[1] Bus
[1] Bus
[2] Subindex parameter 16-16 Torque [Nm]
[3] Subindex parameter 16-60 Digital Input
Set the address.
1
PVA
CTW
04
7C
262
264
CTW
10
9
8
7
6
1
0
0
0
1
4
PCD
2
3
4
MRV
PCD
PCD
20
00
266
268
270
MRV
5
4
3
2
1
0
1
1
1
1
0
0
7
C
5
6
PCD
PCD
272
274
MG07F102

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