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2 parameter change rights ( pnu 927), 3 control authority ( pnu 928), 4 selector switch for operating mode ( pnu 930) – Lenze 931W User Manual

Page 52: Parameter change rights (pnu 927), Control authority (pnu 928), Selector switch for operating mode (pnu 930), Parameter numbers

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Parameter numbers

Explanation of the parameter numbers

Parameter change rights (PNU 927)

8

52

K-HB 13.0001-EN 2.1

8.1.2

Parameter change rights (PNU 927)

PNU

Subindex Description

Possible settings

Data type

Lenze

Selection

927

0

Parameter change rights (PCV)

Unsigned 16

0

1

Selection Meaning

Description

0 No parameter change rights for

the PROFIBUS interface

This value serves to request the parameter change rights for the

PROFIBUS interface. Two errors may occur:

z

The parameter change rights apply for the operating program

(operating mode ≥ ”Online Level 3”), i.e. the operating mode

must be ≤ 2

z

The PCV level in the PROFIBUS parameters (PNU106) is set to 0.

If the master wants to write PCV values without parameter

change rights, an error message occurs.

1 Parameter change rights for the

PROFIBUS interface

8.1.3

Control authority (PNU 928)

PNU

Subindex Description

Possible settings

Data type

Lenze

Selection

928

0

Control authority (PZD)

Unsigned 16

0

2

Selection Meaning

Description

0 Control authority for operating

program

The control authority is obligatory to activate the state machine of

the drive. It serves to transmit start commands to activate driving

records. The control authority is required to carry out setpoint

selections (see PNU 927).

1 Control authority for PROFIBUS

interface

2 Control authority for local I/O

8.1.4

Selector switch for operating mode (PNU 930)

PNU

Subindex Description

Possible settings

Data type

Lenze

Selection

930

0

Selector switch for operating

mode

Unsigned 16

1

0x8000

Selection Meaning

Description

1 Speed control mode

The drive can only be operated speed-controlled in the speed

mode. When a driving record is started with ”Positioning” control

type, the drive travels following error-controlled.

2 Positioning mode

With this configuration, the drive can only execute positioning

driving records. When you try to start a driving record with the

speed control, the fault signal ”Driving record” is displayed.

0x8000 Concatenation mode

The concatenation mode permits speed-controlled and positioning

driving records to be started via a DP master. Here, also following

driving records and waiting times between chained driving records

are considered.

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