Siemens SINAMICS DCM Manual page 263

Commissioning
8.2 Commissioning using the BOP20 operator panel
〈5.5〉Operation with incremental encoder and SMC30
p50083[D] = 5 The actual speed value comes from an incremental encoder connected to
p0400[1]
p2000
〈6〉Data for field
〈6.1〉Control of the field
p50082 = 0
p50082 = 1
p50082 = 2
p50082 = 3
〈6.2〉Field weakening
p50081 = 0
p50081 = 1
〈7〉Set basic technological functions
〈7.1〉Current limits
p50171[D]
p50172[D]
〈7.2〉Torque limits
p50180[D]
p50181[D]
264
an SMC30 (r3770).
Encoder type selection
Speed in rpm at 100% speed
Remark:
The value set here determines the 100% speed for the closed-loop speed
control.
Internal field is not used
(e.g. in the case of permanent-magnet motors)
The field is activated with the line contactor
(field pulses are activated or deactivated at the same time as the line con-
tactor)
Automatic switching-in of the standstill field set using p50257 after a time
that can be parameterized using p50258 has elapsed, once operating state
o7 or higher has been reached
Field current permanently switched on
No speed-dependent or EMF-dependent field weakening
Field-weakening operation by means of internal closed-loop EMF control,
i.e. at speeds above the motor's rated speed (= "cut-in speed"), the motor
EMF is constantly kept at setpoint
EMFset (r52289) = p50101 – p50100 x p50110
System current limit in torque direction I (as % of p50100)
System current limit in torque direction II (as % of p50100)
Torque limit 1 in torque direction I
(as % of rated motor torque)
Torque limit 1 in torque direction II
(as % of rated motor torque)
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SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001