Siemens 440 User Manual

Page 106

Parameter Description

Issue 01/06

MICROMASTER 440 Parameter List

106

6SE6400-5BB00-0BP0

P0927

Parameter changeable via

Min: 0

CStat:

CUT

Datatype: U16 Unit:

Def:

P-Group: COMM

Active: first confirm

QuickComm.: No

Max: 15

Specifies the interfaces which can be used to change parameters.

This parameter allows the user to easily protect the inverter from unauthorized modification of parameters.
Annotation: Parameter P0927 is not password protected.

Bitfields:

Bit00 PROFIBUS / CB 0 NO 1 YES
Bit01 BOP 0 NO 1 YES
Bit02 USS on BOP link 0 NO 1 YES
Bit03 USS on COM link 0 NO 1 YES

Example:

Bits 0, 1, 2 and 3 set:
The default setting allows parameters to be changed via any interface. If all bits are set, the parameter is
displayed on BOP as follows:

BOP:

P0927

Bits 0, 1, 2 and 3 reset:
This setting allows no parameters to be modified via any interface with the exception of P0003 and P0927. If
all bits are reset, the parameter is displayed on BOP as follows:

BOP:

P0927

Details:

The seven-segment display is explained in the "Introduction to MICROMASTER System Parameters" in this
handbook.

r0947[8]

CO: Last fault code

Min: -

Datatype: U16 Unit:

Def:

P-Group: ALARMS

Max: -

Displays fault history according to the diagram below
where:
-

"F1" is the first active fault (not yet acknowledged).

"F2" is the second active fault (not yet acknowledged).

"F1e" is the occurrence of the fault acknowledgement for F1 & F2.

This moves the value in the 2 indices down to the next pair of indices, where they are stored. Indices 0 & 1
contain the active faults. When faults are acknowledged, indices 0 & 1 are reset to 0.

F1e

Most recent
Fault Codes - 1

r0947[0]
r0947[1]

r0947[2]
r0947[3]

Active
Fault Codes

Most recent
Fault Codes - 2

r0947[4]

r0947[5]

Most recent
Fault Codes - 3

r0947[6]
r0947[7]

F1e

Index:

r0947[0] : Recent fault trip --, fault 1
r0947[1] : Recent fault trip --, fault 2
r0947[2] : Recent fault trip -1, fault 3
r0947[3] : Recent fault trip -1, fault 4
r0947[4] : Recent fault trip -2, fault 5
r0947[5] : Recent fault trip -2, fault 6
r0947[6] : Recent fault trip -3, fault 7
r0947[7] : Recent fault trip -3, fault 8

Example:

If the inverter trips on undervoltage and then receives an external trip before the undervoltage is
acknowledged, you will obtain:
-

r0947[0] = 3 Undervoltage (F0003)

r0947[1] = 85 External trip (F0085)

Whenever a fault in index 0 is acknowledged (F1e), the fault history shifts as indicated in the diagram
above.

Dependency:

Index 1 used only if second fault occurs before first fault is acknowledged.

Details:

See "Faults and Warnings"

Level