Siemens 6RA70 specifications Sheet 4 Armature Current, Control

Models: 6RA70

1 232
Download 232 pages 59.99 Kb
Page 220
Image 220

Siemens Energy & Automation SIMOREG DC Master Base Drive Panel Operating

1

2

3

4

5

6

6RA70 DC MASTER

SIMPLIFIED BLOCK DIAGRAM

(ALL AVAILABLE FUNCTIONS ARE NOT SHOWN ON SIMPLIFIED BLOCK DIAGRAM)

<1>

r019

K117

ARMATURE CURRENT ACTUAL VALUE

78

 

AC LINE

 

VOLTAGE

 

M

CURRENT

CT'S

RECTIFICATION

 

Sheet 4 Armature Current

Instructions

CURRENT K120 SETPOINT

FROM SPEED CONTROL

di/dt

TIME P158.F (0)

K119

K P

TN

ADVANCE

P155.F (.1) P156.F (.2)

LIMIT

<1>

 

0

 

 

P150.F (30 )

r020

 

r018

K118

K113

K110

K102

K100

 

 

 

 

 

 

CURRENT

 

 

 

 

CONTROLLER

 

 

FORWARD

REVERSE

Control

[ 3.8 ]

P157.F (0)

MODE

0 = ACTIVE ONLY DURING TORQUE DIRECTION CHANGE

1 = ALWAYS ACTIVE

 

P151.F (1500 )

 

RETARD

ARMATURE

LIMIT

ARMATURE

RESISTANCE

INDUCTANCE

P110.F (0)

P111.F (0)

 

LINE VOLTAGE

 

 

K305

 

K123

 

 

 

 

 

 

 

 

 

MEASURED EMF

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

K124

1

 

 

 

 

 

 

 

CALCULATED EMF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P162

(1)

 

FEED FORWARD

K121

REVERSING

DEAD BAND

P160.F (0)

P153.F (1)

CONTROL

REVERSING

LOGIC

ARMATURE CURRENT = 0

11-5

ARMATURE CURRENT CONTROL

<1> 100% CORRESPONDS TO THE RATED MOTOR CURRENT (P100)

TACHMOTOR

4

Page 220
Image 220
Siemens 6RA70 specifications Sheet 4 Armature Current, Control