Omron MX2 User Manual

62
Using the Keypad Devices Section 3-2
3-2-5 Dual Rating Selection
The MX2 series inverter has Dual Rating, so that it can work in two different
types of load condition, Constant torque application and Variable torque appli-
cation. Select parameter
b049 depending on your application.
When changed, the rated output current and related items are changed auto-
matically. Differences between HD and ND are described below.
Initial values of HD and ND are different shown as below table. Be sure to
note that when the dual rating selection b049 is changed those initial values
are also changed except H003/H203. (Even if currently set value is within the
range of both HD and ND, data is initialized when b049 is changed.)
When ND is selected, following parameters are not displayed.
"A" Function Run
Mode
Edit
Defaults
Func.
Code
Name Description EU Units
b049 Dual Rating Selection Two options; select codes:
00 ...CT (Constant Torque)
01 ...VT (Variable Torque)
00 -
HD ND
Usage For heavy load with high torque required at
start, acceleration or deceleration
For normal load without high
torque required.
Applications Elevators, cranes, conveyers, etc. fans, pumps, air-conditionings
Rated current (example) 1.0 A (3-phase 200 V 0.1 kW) 1.2 A (3-phase 200 V 0.1 kW)
Overload current 150% 60 sec. 120% 60 sec.
Name Func.
code
HD ND
Range initial data Range initial data
V/f characteristic
curve
A044
A244
00: Const. torque
01: Reduced torque
02: Free V/F
03: SLV
00: Const. tq. 00: Const. torque
01: Reduced tq.
02: Free V/F
00: Const. tq.
DC braking force for
deceleration
A054 0 to 100 (%) 50 (%) 0 to 70 % 50 (%)
DC braking force at
start
A057 0 to 100 (%) 0 (%) 0 to 70 % 0 (%)
Carrier frequency
during DC braking
A059 2.0 to 15.0(kHz) 5.0(kHz) 2.0 to 10.0(kHz) 2.0(kHz)
Overload restriction
level
b022
b222
(0.20 to 2.00)
x Rated current (A)
1.50 x Rated
current (A)
(0.20 to 1.50)
x Rated current (A)
1.20 x Rated
current (A)
Overload restriction
level 2
b025
Carrier frequency b083 2.0 to 15.0(kHz) 5.0(kHz) 2.0 to 10.0(kHz) 2.0(kHz)
Motor capacity H003
H203
0.1 to 15(kW) Depends on
type
0.2 to 18.5(kW) One size up
than HD
Func. code Name Func. code Name
d009 Torque command monitor C058 Over/under-torque level (FW,RG)
d010 Torque bias monitor C059 Output mode of Over/under-torque
d012 Torque monitor H001 Auto-tuning selection
b040 Torque limit selection H002/H202 Motor constant selection
b041 Torque limit (1) H005/H205 Motor speed response constant
b042 Torque limit (2) H020/H220 Motor constant R1
b043 Torque limit (3) H021/H221 Motor constant R2
b044 Torque limit (4) H022/H222 Motor constant L
b045 Torque LAD STOP selection H023/H223 Motor constant Io

Omron MX2 Specifications

General

Brand	Omron
Model	MX2
Category	Inverter
Language	English