Control Techniques Unidrive User Manual

Unidrive SP Low Voltage DC Installation Guide 25
Issue Number: 1 www.controltechniques.com
Safety Information Introduction Product information
System design
Component data Index
4.7.1 Control logic sequencing
Figure 4-10 shows the sequencing of the signals which must be accomplished with this
logic.
Figure 4-10 Control logic and sequencing
A
C SUPPLY
SELECT
A
C SUPPLY
CONTACTOR
LOW VOLTAGE
DC SUPPLY
CONTACTOR
DISCHARGE
RESISTOR
DRIVE ENABLE
SIGNAL
AC SUPPLY LOSS, OPEN AC
CONTACTOR & REMOVE ENABLE
CLOSE DISCHARGE RESISTOR
OPEN DISCHARGE RESISTOR
& PROVIDE ENABLE
AC SUPPLY RETURN
REMOVE ENABLE
CLOSE DISCHARGE RESISTOR
OPEN DISCHARGE RESISTOR
CLOSE AC CONTACTOR
& PROVIDE ENABLE
AC SUPPLY SELECTED
DC SUPPLY SELECTED
CONTACTOR CLOSED
CONTACTOR OPEN
CONTACTOR CLOSED
CONTACTOR OPEN
CONTACTOR CLOSED
CONTACTOR OPEN
DRIVE ENABLE PROVIDE
D
DRIVE ENABLE REMOVED
t1 t2
Both dela
y
s t1 & t2 should have a minimum value of 1s.
CLOSE LOW VOLTAGE CONTACTOR
OPEN LOW VOLTAGE CONTACTOR

Control Techniques Unidrive Specifications

General

Brand	Control Techniques
Model	Unidrive
Category	Power Supply
Language	English