Siemens SIRIUS 3RF Series

Table of contents
SIRIUS Innovations
System Manual, 01/2011, A8E56203870002-03
7
2.4.5 Switching resistive loads............................................................................................................124
2.4.6 Changing the polarity of hoisting gear motors ...........................................................................125
2.4.7 Switching in t
he auxiliary circuit .................................................................................................126
2.4.8 Contac
tors with extended operating range ................................................................................127
2.4.8.1 Ov
erview ....................................................................................................................................127
2.4.8.2 Contac
tors with UC drive ...........................................................................................................127
2.4.8.3 Contactors for rail
way applications ............................................................................................128
2.4.8.4 Coupling relay
s ..........................................................................................................................130
2.4.9 Operation of a motor in two dire
ctions of rotation (3RA23 reversing contactor assembly) .......132
2.4.10
Starting three-phase motors with reduced starting current peaks (3RA24 contactor
assembly for star-delta (wye-delta) start) ..................................................................................135
2.4.10.1
Technical back
ground information.............................................................................................136
2.4.11 U
sing long control cables...........................................................................................................141
2.5 Mounting
....................................................................................................................................148
2.5.1
Mounting
....................................................................................................................................148
2.5.1.1 Mounting options
........................................................................................................................148
2.5.1.2 Mounti
ng position.......................................................................................................................148
2.5.1.3 Mounting on mounting pl
ate.......................................................................................................149
2.5.1.4 Snapping ont
o DIN rail (snap-on mounting) ..............................................................................150
2.5.2 Replac
ing magnet coils..............................................................................................................150
2.6 Connec
tion.................................................................................................................................153
2.7
Ac
cessories................................................................................................................................155
2.7.1
Ac
cessories overview ................................................................................................................155
2.7.2 Auxiliary
switch blocks ...............................................................................................................161
2.7.2.1 Des
cription .................................................................................................................................161
2.7.2.2 Configuration
..............................................................................................................................164
2.7.2.3 Mounting/Disassembl
y...............................................................................................................167
2.7.3 Surge s
uppressor.......................................................................................................................170
2.7.3.1 Des
cription .................................................................................................................................170
2.7.3.2 Configuration
..............................................................................................................................171
2.7.3.3 Mounting
....................................................................................................................................178
2.7.4 EMC s
uppression module..........................................................................................................179
2.7.4.1 Des
cription .................................................................................................................................179
2.7.4.2 Configuration
..............................................................................................................................180
2.7.4.3 Mounting
....................................................................................................................................182
2.7.5 OFF-delay
device.......................................................................................................................183
2.7.5.1 Des
cription .................................................................................................................................183
2.7.5.2 Configuration
..............................................................................................................................183
2.7.5.3 Mounting
....................................................................................................................................183
2.7.6 Mec
hanical latch ........................................................................................................................185
2.7.6.1 Des
cription .................................................................................................................................185
2.7.6.2 Mounting/Disassembl
y...............................................................................................................185
2.7.6.3 Operation
...................................................................................................................................187
2.7.7 Additional load module
...............................................................................................................188
2.7.7.1 Des
cription .................................................................................................................................188
2.7.7.2 Mounting
....................................................................................................................................188
2.7.8 Control kit for manual operation of contactor
contacts ..............................................................189
2.7.8.1 Des
cription .................................................................................................................................189
2.7.8.2 Mounting
....................................................................................................................................189
2.7.9 Coupling link
for PLC .................................................................................................................190
2.7.9.1 Des
cription .................................................................................................................................190
2.7.9.2 Mounting
....................................................................................................................................191
2.7.10 L
ED display indicator module ....................................................................................................192
2.7.10.1 Des
cription .................................................................................................................................192