Omron VARISPEED L7 User Manual

6-13
6
 Brake Sequence
The L7 supports two types of brake sequences, one with torque compensation at start using an analog input
value and one without torque compensation at start.
Related Parameters
Multi-function Digital Inputs (H1-01 to H1-05)
Multi-function Digital Outputs (H2-01 to H2-03)
Parameter
No.
Name
Factory
setting
Change
during
operation
Control Method
V/f
Open
Loop
Vector
Closed
Loop
Vector
Closed
Loop Vec-
tor (PM)
H3-15 Terminal A1 function selection 0 No - - A A
S1-01 Zero speed level
i
No
A
1.2 Hz
A
0.5 Hz
A
0.1 Hz
A
0.5 Hz
S1-02 DC injection braking current at start 50% No A A - -
S1-03 DC injection braking current at sop 50% No A A - -
S1-04DC injection braking/Zero speed time at start0.40 sec No AAAA
S1-05DC injection braking/Zero speed time at stop0.60 sec No AAAA
S1-06Brake open delay time 0.20 sec No AAAA
S1-07Brake close delay time 0.10 sec No AAAA
S1-16Run delay time 0.10 sec No AAAA
S1-17 DC injection current gain at regeneration 100% No - A - -
S1-18 DC injection current gain at motoring 20% No - A - -
S1-19Output contactor open delay time 0.10 sec No AAAA
S1-20 Zero-servo gain 5 No - - A A
S1-21 Zero-servo completion width 10 No - - A A
S1-22
Starting torque compensation increase time/
starting torque fade-out time
500 ms No - - A A
S1-23 Torque compensation gain in Down direction 1.0 No - - A A
S1-24 Torque compensation bias in Up direction 0.0% No - - A A
S1-25 Torque compensation bias in Down direction 0.0% No - - A A
S1-29 Torque fade out speed level 0.0 Hz No - - A A
S1-30 Torque fade out compensation time 1000 msec No - - A A
S1-31 Torque limit fade out time at stop 0 msec No - - - A
Set Value Function
Control Methods
V/f
Open
Loop
Vector
Closed
Loop
Vector
Closed
Loop
Vector
(PM)
80 to 84
Speed selection inputs (refer to page 6-5, Speed Selection Sequence Using Digital
Inputs)
Yes Yes Ye s Ye s
86 Contactor closed answer back signal Yes Yes Yes Yes
Set Value Function
Control Methods
V/f
Open
Loop
Vector
Closed
Loop
Vector
Closed
Loop
Vector
(PM)
33 Zero servo end - - Yes Yes
40 Brake release command Yes Yes Yes Yes
41 Output contactor close command Yes Yes Yes Yes

Omron VARISPEED L7 Specifications

General

Brand	Omron
Model	VARISPEED L7
Category	Inverter
Language	English