FC 300 Design Guide
Status Word According to PROFIdrive
"
Profile (STW)
The Status word is used to notify a master (e.g.
a PC) about the status of a slave.
Explanation of the Status Bits
Bit
00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
Bit 00, Control not ready/ready
Bit 00 = "0": Bit 00, 01, or 02 of the Control word is "0" (OFF 1, OFF 2 or OFF 3) - or the frequency
converter switches off (trips). Bit 00 = "1": The frequency converter control is ready but there is not
necessarily a power supply (in the event of external 24 V supply of the control system).
Bit 01, VLT not ready/ready
Same significance as bit 00 but with power unit supply. The frequency converter is
ready when it receives the necessary start signals.
Bit 02, Coasting/Enable
Bit 02 = "0": Bit 00, 01, or 02 of the Control word is "0" (OFF 1, OFF 2, or OFF 3 or coasting)
- or the frequency converter switches off (trips). Bit 02 = "1": Bit 00, 01, or 02 of the
Control word is "1" - the frequency converter does not trip.
Bit 03, No error/Trip
Bit 03 = "0": No error in the frequency converter. Bit 03 = "1": The frequency converter
trips and requires. Press [Reset] to restart.
Bit 04, ON 2/OFF 2
Bit 04 = "0": Bit 01 of the Control word is "0". Bit 04 = "1": Bit 01 of the Control word is "1".
Bit 05, ON 3/OFF 3
Bit 05 = "0": Bit 02 of the Control word is "0". Bit 05 = "1": Bit 02 of the Control word is "1".
default setting
( )
*
How to Programme
Bit value = 0
Control not ready
Drive not ready
Coasting
No error
OFF 2
OFF 3
Start possible
No warning
Speed ≠ reference
Local operation
Out of frequency limit
No operation
Drive OK
Voltage OK
Torque OK
Timer OK
display text
[ ]
value for use in communication via serial communication port
MG.33.B4.02 - VLT is a registered Danfoss trademark
Slave => master
1
2
3
STW
MAV
PCD
PCD read/write
Bit value = 1
Control ready
Drive ready
Enable
Trip
ON 2
ON 3
Start not possible
Warning
Speed = reference
Bus control
Frequency limit
In operation
Stopped, autostart
Voltage exceeded
Torque exceeded
Timer exceeded
.....
10
.....
PCD
251
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