Danfoss FC 300 Profibus, Руководство пользователя

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FC 300 Profibus
Application Examples
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.
PCV PCD
1 2 3 4 5 6
PCA IND PVA CTW MRV PCD PCD PCD PCD
0F 07 20 00
PIW: 256 258 260 262 264 266 268 270 272 274
master
→
slave STW MAV
Bit no.: 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
0 0 0 0 0 1 0 0 0 1 1 1 1 1 0 0
0 4 7 C
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 Bit value = 1 Bit value
00 Control not ready Control ready 1
01 Drive not ready Drive ready 1
02 Coasting Enable 1
03 No error Trip 0
7
04 No error Error (no trip) 0
05 Reserved - 0
06 No error Triplock 0
07 No warning Warning 0
0
08 Speed ≠
reference
Speed = reference 1
09 Local operation Bus control 1
10 Outside
frequency range
Within frequency range 1
11 No operation In operation 1
F
12 Drive ok Stopped, autostart 0
13 Voltage ok Voltage exceeded 0
14 Torque ok Torque exceeded 0
15 Timers ok Timers exceeded 0
0
Function active
Function inactive
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MG.33.C2.02 - VLT is a registered Danfoss trademark