2 - Fagor Automation

Connection diagrams
10.
CONNECTION DIAGRAMS
Electrical cabinet. Diagrams
354
DDS
HARDWARE
Ref.1209
336
BLOCK DIAGRAM OF THE DDS SYSTEM START-UP WITH PS-XX POWER SUPPLIES
CONTROL CIRCUITS OF THE
DRIVES WAITING TO BE
OFF
Status:
POWERED
OFF
CONTROL CIRCUITS OF THE
POWER SUPPLY WAITING TO
BE POWERED
Status:
CLOSE main power
switch Q1
MAIN KEY ON
INTERNAL TEST OF EACH DRIVE
INTERNAL TEST OF THE POWER
SUPPLY
MOTOR TORQUE
ERROR
See error code at the drive’s
display not ok.
YES NO
YES
OK ?
F. H10/7
Block diagram of the DDS system start-up with non-regenerative power supplies.
ON
ALL OK ?
Status:
ACTIVATION OF THE SYSTEM OK
OF THE POWER SUPPLY
NO
2 CATEGORY
STOP
WITH
ACTIVATION OF HALT
ERROR
1 CATEGORY
STOP
ACTIVATION OF A RESSETABLE
ERROR OR DEACTIVATION OF
SPEED ENABLE FUNCTION
WITH
GP9
OFF
POWER BUS WAITING TO BE
POWERED
Status:
MOTOR TORQUE
MOTOR TORQUE
OFF
Status:
ON
Status:
With emergency line OK
CLOSE contactor K1
PUSH-BUTTON ON
0 CATEGORY
STOP
ACTIVATION OF A NO
RESSETABLE ERROR OR
DEACTIVATION OF DRIVE
ENABLE FUNCTION
WITH
CHANGE THE POWER BUS
PowerBusStatus, GV13 = 1
With non-regenerative power supplies, the energy released while braking cannot
be returned to mains. Therefore. If the energy stored in the capacitors can
generate higher voltage than the maximum bus voltage allowed, a Crowbar
resistor must be installed to dissipate this excess of energy.
WAITING FOR ACTIVATION OF
DRIVE ENABLE &
SPEED ENABLE &
SYSTEM SPEED ENABLE
ON
POWER BUS CHARGING
Status: