3 status word (zsw), Status word (zsw), Table 8: status word (zsw) – NORD Drivesystems BU0060 User Manual

Page 41: 4 communication and protocol

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4 Communication and Protocol

BU 0060 GB-4112

41

4.1.3 Status word (ZSW)

In the inverter response telegram, in the area of the process data the status word (ZSW) is transferred
as the first word. The meaning of the individual bits deviate for some types of devices.

Bit

Valu
e

Meaning

Remarks

0

0

Not ready to start

1

Ready to start

Initialisation completed, charging relay ON, output voltage disabled

1

0

Not ready for operation

Causes: No command has been activated, fault is signaled, OFF2 or OFF3
activated, starting disabled state activated

1

Ready for operation

ON command activated, no faults present. The inverter can be started with the
command ENABLE OPERATION

2

0

Operation not enabled

1

Operation enabled

The output voltage is enabled; ramp to the existing setpoint

3

0

No error

1

Fault

Drive fault resulting in stoppage; this state is changed to starting disabled after
the fault has been successfully acknowledged

4

0

Voltage not enabled

OFF2 command applied

1

Voltage enabled

5

0

Emergency stop

OFF3 command applied

1

No emergency stop

6

0

Starting not disabled

1

Starting disabled

Switches first to OFF1, then to ready-to-start status

7

0

No warning

1

Warning active

Drive operation continues, no acknowledgement necessary

8

0

Setpoint not reached

Actual value does not match the setpoint (with posicon: failure to reach setpoint
position)

1

Setpoint reached

Actual value matches required setpoint (setpoint has been reached)
(with posicon: setpoint has been reached)

9

0

Bus control not active

Guidance on local device has been activated

1

Bus controller active

The master has been requested to assume guidance.

10

0

1

Start function 481.9

Bus bit 10 from the status word is set. For further details of function, please refer
to parameter P481.

11

0

1

Rotation right is on

Inverter output voltage is turning right

12

0

1

Rotation left is on

Inverter output voltage is turning left

13

0

1

Start function 481.10

Bus bit 13 from the status word is set. For further details of function, please refer
to parameter P481.

14

0/1

Parameter set Bit 0 ON

00 = Parameter set 1
01 = Parameter set 2

10 = Parameter set 3
11 = Parameter set 4

15

0/1

Parameter set Bit 1 ON

Table 8: Status word (ZSW)

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