E.g.: Status Word Telegram Using Ppo Type 3 - Danfoss FC 300 Profibus Manual

FC 300 Profibus

E.g.: Status Word Telegram using PPO Type 3

This example shows how the control word telegram relates to the PLC and the FC 300, using FC Control
Profile.
The control word telegram is sent from the PLC to the FC 300. PPO Type 3 is used in the example in order
to demonstrate the full range of modules. All the values shown are arbitrary, and are provided for the
purposes of demonstration only.
PCA
PIW: 256
Bit no.: 15 14
0 0
0
The table above indicates the bits contained within the statusword, and how they are presented as process
data in PPO type 3 for this example.
The following table indicates which bit functions, and which corresponding bit values are active for this
example.
Bit Bit value = 0
00 Control not ready
01 Drive not ready
02 Coasting
03 No error
04 No error
05 Reserved
06 No error
07 No warning
08 Speed ≠
reference
09 Local operation
10 Outside
frequency range
11 No operation
12 Drive ok
13 Voltage ok
14 Torque ok
15 Timers ok
Function active
Function inactive
72
Application Examples
PCV
IND PVA
258 260 262
master → slave
13 12 11 10 9
0 0 0 1 0
4
Bit value = 1
Control ready
Drive ready
Enable
Error (no trip)
Triplock
Warning
Speed = reference
Bus control
Within frequency range
In operation
Stopped, autostart
Voltage exceeded
Torque exceeded
Timers exceeded
MG.33.C2.02 - VLT is a registered Danfoss trademark
1 2
CTW MRV
0F 07 20 00
264 266
STW MAV
8 7 6 5 4
0 0 1 1 1
7
Bit value
1
1
1
Trip 0
0
- 0
0
0
1
1
1
1
0
0
0
0
PCD
3 4 5 6
PCD PCD PCD PCD
268 270 272 274
3 2 1 0
1 1 0 0
C
7
0
F
0