Siemens 6RA70 Series - Sheet 5 EMF and Field Current Control

11-6 Siemens Energy & Automation
SIMOREG DC Master Base Drive Panel Operating Instructions
Sheet 5 EMF and Field Current Control
r034
P255.F (5)
P256.F (.2)
K
P
T
N
CURRENT CONTROLLER
K250
K260
K251
P250.F (0 )
P251.F (180 )
ADVANCE
LIMIT
RETARD
LIMIT
0
0
P112.F (0)
FIELD
RESISTANCE
FEED FORWARD
P253.F (1)
ENABLE
K271
K304
FIELD LINE VOLTAGE
r036
K268
<1>
K263
P612 (266)
K
FIELD ACTUAL VALUE
K266
INTERNAL FIELD ACTUAL CURRENT
MOTOR FIELD
FIELD
LINE VOLTAGE
r035
<1>
K265
P275.F (.6)
P276.F (.2)
K
P
T
N
EMF CONTROLLER
K280
P273 (1)
ENABLE
P120.F
to
P139.F
K293
K283
P102.F (0 A)
P103.F (0 A )
MINIMUM FIELD
CURRENT
t
1 0
1
≥
&
P257.F (0 %)
P258.F (10s)
P082=2
K0275
P692.B (0)
B
B0124
STANDSTILL
FIELD
Delay time
LINE CONTACTOR CLOSED
FIELD
ECONOMY
CURRENT SETPOINT IS SET TO ZERO WHEN FIELD GATE PULSES ARE DISABLED
FIELD
CURRENT
SETPOINT
RATED MOTOR FIELD CURRENT
ACTUAL FIELD
CURRENT
P611 (0)
K
ADDITIONAL FIELD CURRENT SETPOINTS
Index .02 - .04
1 0
FIELD
WEAKENING
ACTIVE
P081 (0)
100%
P277.F (0)
DROOP
K278
K277 K276
n
FIEL D SETPOINT
P119.F (100)
BASE
SPEED
P118.F (340)
RATED
EMF
FIELD
CHARACTERISTICS
SPEED ABSOLUTE VALUE
K166
n
r037
K0287
EMF
EMF
K285
ARMATURE TERMINAL VOLTAGE
i x R
aa
x L
a
a
di dt
r038
-
r039
P100.F X P110.F
P101.F
EMF
SETPOINT
P615 (0)
K
Index .02 - .04
ADDITIONAL EMF SETPOINT
EMF CONTROLLER FIELD CURRENT CONTROLLER
ACTUAL EMF
<1>
100% CORRESPONDS TO THE RATED MOTOR FIELDCURRENT (P102)
P616 (286)
K
EMF ACTUAL VALUE
K286
K288
87564321
6RA70 DC MASTER
SIMPLIFIED BLOCK DIAGRAM
(ALL AVAILABLE FUNCTIONS ARE NOT SHOWN ON SIMPLIFIED BLOCK DIAGRAM)
5
[ 3.3 ]
K290
[ 3.6 ]
FLUX
P120.F - P139.F