Siemens SINAMICS Series User Manual

Descriptions of functions
10.3 Communication according to PROFIdrive
SINAMICS DCM DC Converter
418 Operating Instructions, 12/2018, A5E34763375A
NSET_B (speed setpoint B (32-bit))
● Speed setpoint with a 32-bit resolution with sign bit.
● Bit 31 determines the sign of the setpoint:
– Bit = 0 → Positive setpoint
– Bit = 1 → Negative setpoint
● The speed is normalized via p2000.
NSET_B = 4000 0000 hex or 1 073 741 824 dec ≐ speed in p2000
Figure 10-3 Normalization of speed
Note
Operation of motors in the field-weakening range
If the motors are to be operated in the field
-weakening range > 2:1, the value of parameter
p2000 must be set
≤ 1/2 x maximum speed of the drive object.
Gn_STW (encoder n control word)
This process data belongs to the encoder interface.
A_DIGITAL
CU_STW1
This process data is part of the central process data.

Siemens SINAMICS Series Specifications

General

Product Line	SINAMICS
Cooling Method	Air-cooled, Liquid-cooled
Voltage Range	200 V to 690 V
Power Range	0.12kW - 250kW
Communication Interfaces	PROFINET, PROFIBUS, Ethernet
Control Modes	Vector control, V/f control
Protection Class	IP20
Type	Variable Frequency Drives (VFD)