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Siemens SINAMICS G120P Function Manual

Siemens SINAMICS G120P
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Communication via RS485
5.5 Communication via BACnet MS/TP - only CU230P-2 HVAC / BT
Fieldbuses
Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
149
5.5.1.2
Parameters for setting communication via BACnet
General settings
Processing times p2024[0 … 2]
p2024[0]: 0 ms … 10000 ms, maximum processing time (APDU timeout), factory setting =
6000 ms,
p2024 [12]: Irrelevant
BACnet communication parameter p2025[0 … 3]
p2025 [0]: 0 … 4194303: Device object instance number,
Factory setting = 1
p2025 [1]: 110: Maximum Info Frames, factory setting = 5
p2025 [2]: 039: Number of APDU Retries (repeated attempts after fault telegrams),
factory setting = 3
p2025 [3]: 1127: maximum master address, factory setting = 32
Setting the COV_Increments p2026[074]
(COV = change of values) 0 … 4194303.000, factory setting = 1. A maximum of 32 COVs
are permissible.
COV_Increment: Changes the value of the "present value" of an object instance for which
the server transfers an UnConfirmedCOV_Notification or ConfirmedCOV_Notification.
You can use these parameters to set for which inverter value changes an
UnConfirmedCOV_Notification or ConfirmedCOV_Notification result is sent.
The factory setting 1 means that the inverter sends an UnConfirmedCOV_Notification or
ConfirmedCOV_Notification if the considered value, e.g. for a range of 0 … 10 V, changes by
an absolute value ≥ 1.
This requires an active SubscribeCOV_Service to send the relevant object instance.
You can also set the COV_Increment via the object property "COV_Increment" of the
relevant analog input, analog output or analog value.
BACnet language selection p2027
German/English - only becomes effective after power off/on
Fieldbus error statistics r2029
Displaying receive errors at the fieldbus interface

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Siemens SINAMICS G120P Specifications

General IconGeneral
Frequency Range0 Hz to 550 Hz
Ambient Temperature-10°C to +50°C
Storage Temperature-40°C to +70°C
Relative Humidity5% to 95% (non-condensing)
Voltage Range200 V to 240 V, 380 V to 480 V, 500 V to 690 V
Output Voltage0V to input voltage
Control TypeVector control, V/f control
Protection ClassIP20, IP55
Communication InterfacesPROFIBUS, PROFINET, Modbus RTU
Cooling MethodAir cooling
AltitudeUp to 2000 m without derating
Power Range0.37 to 630 kW

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