Status Word (Zsw - Siemens CB15 Operating Instructions Manual

Profibus module
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PROFIBUS MODULE (CB15/CB155)

5.1.2.2 Status Word (ZSW)

The status word matches the definition in the PROFIBUS 'variable speed drives' profile |3|.
Bit No.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Status Word
Bit
Value Meaning
0
1
Ready to start
0
Not ready to start
1
1
Ready to start
0
Not ready to start
2
1
Operation enabled
0
Operation disabled
3
1
Fault
0
No fault
4
1
No OFF2
0
OFF2 command active
5
1
No OFF3
0
OFF3 command active
6
1
Start disable
0
No start disable
7
1
Warning
0
No warning
8
1
Not used
9
1
Control request
0
Local operation
10
1
f reached
0
f not reached
11
12
13
14
1
Clockwise rotation
0
Counter-clockwise rotation
15
Slave -> Master
ZSW
HIW
Notes
Power is on, electronics initialised, pulses disabled.
Inverter is on (ON command is active), there is no fault. Inverter can
start up with 'operation enable'.
Causes:
See control word, bit 3.
Drive malfunction and therefore not in operation, switches to start
disable following acknowledgement and fault elimination. Error
numbers in fault parameter.
Start only through OFF1 and then ON.
Drive still in operation, no acknowledgement required.
Value always transmitted with log.1.
The automation system is requested to take control.
Control only possible on unit (locally).
Inverter output frequency matches setpoint.
Inverter output frequency less than setpoint.
Not used
Not used
Not used
Inverter output voltage has clockwise rotation field.
Inverter output voltage has counter-clockwise rotation field.
Not used
20
ON command is not active, fault is active, OFF2 or OFF3
is active, start disable active.
English
Operating Instructions

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Cb155

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