Siemens SINAMICS G120 Manual page 250

Parameters
List of Parameters
p2023 Field bus int USS PKW no. / Field bus USS PKW
CU230P-2 HVAC Access level: 2
Can be changed: T
Units group: -
Min
0
Description: Sets the number of 16-bit words in the PKW part of the USS telegram for the field bus interface.
Value: 0:
3:
4:
127:
Dependency: Refer to: p2030
Note: The parameter is not influenced by setting the factory setting.
p2024[0...2] Fieldbus interface times / Fieldbus times
CU230P-2 HVAC Access level: 3
Can be changed: U, T
Units group: -
Min
0 [ms]
Description: Sets the time values for the fieldbus interface.
The following applies for MODBUS:
p2024[0]: Maximum permissible telegram processing time of the MODBUS slave in which a reply is sent back to the
MODBUS master.
p2024[1]: Character delay time (time between individual characters in the telegram).
p2024[2]: Telegram pause time (pause time between two telegrams).
The following applies for BACnet:
p2024[0]: APDU timeout.
p2024[1,2]: Not relevant.
Index: [0] = Max. processing time
[1] = Character delay time
[2] = Telegram pause time
Dependency: Refer to: p2020, p2030
Note: Re p2024[1,2] (MODBUS):
If the field bus baud rate is changed (p2020), the default time settings are restored.
The default setting is the time required for 1.5 characters (p2024[1]) or 3.5 characters (p2024[2]) (depending on the
set baud rate).
1-250
PKW 0 words
PKW 3 words
PKW 4 words
PKW variable
Calculated: -
Scaling: -
Unit selection: -
Max
127
Calculated: -
Scaling: -
Unit selection: -
Max
10000 [ms]
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 01/2011
Data type: Integer16
Data set: -
Factory setting
127
Data type: FloatingPoint32
Data set: -
Factory setting
[0] 1000 [ms]
[1] 0 [ms]
[2] 0 [ms]
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