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Operation
6.8 Communication via RS485
Inverter cabinet units
Operating Instructions, 12/2014, A5E32923362A
253
Settings in the inverter
After you have completed the basic commissioning, you must set the following P1-specific
parameters in the inverter:
Parameter
Description
p2030 = 8
Communication protocol for P1.
With this setting, the inverter sets parameters p2020 and p2021 as follows:
•
p2020 = 5: Baud rate 4800 bit/s
•
p2021 = 1 … 99: Slave address (factory setting = 99).
p0840 = 2090.0
Wire ON/OFF1 to control word 1 bit 0
p0852 = 2090.3
Wire the signal for Enable operation to control word 1 bit 3
p1070 = 2050.1
Connect the signal for the main setpoint to the communication interface
p2103.0 = 2090.7
Connect the first signal source for acknowledgment to the communication
interface
p2051.0 = 52.0
Send status word via the communication interface
p2051.1 = 63.0
Send actual speed value via the communication interface
p0971 = 1
Permanently save the settings in the inverter
Note
Address 99 (to all)
No matter their address, all FLN devices answer telegrams with address 99.
Summary of Contents for SINAMICS G120P
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Page 8: ...Preface Inverter cabinet units 8 Operating Instructions 12 2014 A5E32923362A ...
Page 16: ...Table of contents Inverter cabinet units 16 Operating Instructions 12 2014 A5E32923362A ...
Page 432: ...Application examples Inverter cabinet units 432 Operating Instructions 12 2014 A5E32923362A ...
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