Shenzhen Coolmay Technology Co., Ltd.

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HMI+PLC Controller: HMI+PLC Controller; 4.3 Inch HMI PLC; 5 Inch HMI PLC; 7 Inch HMI PLC; 10 Inch HMI PLC

PLC Controller: L02 PLC; CX3G PLC; FX3GC PLC

HMI Touch Screen: TK80 Series HMI; TK60 Series HMI

VFD/ Inverter: CM540 Series VFD; CM520 Series VFD

PLC Modules: IIoT module; Amplication module; Temperature control; Radio frequency; Fiber module; Offline programming; Power supply

OEM & ODM

Programming software

CM520 VFD/Inverter

Coolmay VFD can easily drive induction motors with high-performance current vector technology, and meet the work requirements in various environments. It is high reliability, easy to use, convenient maintenance, environmental friendly installation space saving and high design standards in terms of applications.

1.High reliability Long-life design Three anti-paint automatic spraying process Independent duct Reliable thermal design CE 2.Easy to use Instant stop function Various motor drivers Support ES Driver MS backstage software Flexible terminal functions Built-in adaptive PIK function module 3.High performance Applied the latest dedicated chips of motor control from Germany INFINEON company. Applied the international advanced hardware and software technology to perfectly integrate into drive output Over excitation function, driver output. Steady speed with high accuracy, wide speed range Fast current limit function Unique speed tracking function Model CM520-0.75/1.5KW Dimension (L*W*H) 86*114*143 mm Weight 0.9kg Basic Function Maximum frequency Vector control: 0～600Hz Carrier frequency 0.8kHz～12kHz. The carrier frequency automatically adjusted based on the load features. Input frequency resolution Digital setting: 0.01Hz Analog setting: Maximum frequency ×0.025% Control mode Open-loop vector control (SVC), Closed-loop vector control (FVC), VF control. Startup torque G type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100% Speed range 1:200(SVC), 1:1000(FVC) Speed stability accuracy ±0.5%(SVC), ±0.02%(FVC) Torque control precision ±5%（SVC）(above 10Hz), ±3%(FVC) Overload capacity G type: 150% rated current 60s. 180% rated current 3s. P type: 120% rated current 60s. 150% rated current 3s. Torque boost Automatic torque boost. Manual torque boost 0.1%～30.0% V/F curve Five modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation V/F Separation Two modes: complete separation, semi-separation Ramp mode Straight-line ramp and S-curve ramp. Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s DC injection braking DC braking frequency: 0.00Hz～maximum, braking time: 0.0s～36.0s. Braking action current value：0.0%～100.0% Jog control Jog frequency: 0.00Hz～50.00Hz Jog acceleration and deceleration tome:0.0s～6500.0s Simple PLC, multistage speed operation It implements up to 16 speeds via the simple PLC function or combination of DI terminal states. Built-in PID It can keep constant output voltage automatically when the mains voltage changes. Automatic voltage regulation（AVR） Automatically maintain a constant output voltage when grid voltage changes. Over voltage/Over current loss of speed control Automatic limit of the current and voltage during the operation, prevent frequent over current and over voltage Rapid current limit Minimizing over-current fault and protect the normal operation of converter. Torque limit and control "Excavator" characteristics, automatic limit of the torque during the operation, to prevent frequent over-current trip. Closed-loop vector mode torque control can be achieved.

About Us: Introduction; Culture; History; Honor

Product: HMI+PLC Controller; PLC Controller; HMI Touch Screen; VFD/ Inverter; PLC Modules; OEM & ODM; Programming software

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Feedback & Service: After-sale service; Online feedback

: Shenzhen Coolmay Technology Co., Ltd.; Tel:0755-26051858-843; Fax:0755-26400661-808; E_mail:cm2@coolmay.net; Address：#526, Block E, Building 5, Software Industry Base, Nanshan District, Shenzhen, China Hong Kong Branch: COOLMAY (HK) TECHNOLOGY CO., LIMITED Address: RM904 PRESIDENT COML CTR, 608 NATHAN RD, MONGKOK KLN HK, HK

Model	CM520-0.75/1.5KW
Dimension (LWH)	86114143 mm
Weight	0.9kg
Basic Function
Maximum frequency	Vector control: 0～600Hz
Carrier frequency	0.8kHz～12kHz. The carrier frequency automatically adjusted based on the load features.
Input frequency resolution	Digital setting: 0.01Hz Analog setting: Maximum frequency ×0.025%
Control mode	Open-loop vector control (SVC), Closed-loop vector control (FVC), VF control.
Startup torque	G type: 0.25Hz/150% (SVC), 0Hz/180%(FVC), P type: 0.5Hz/100%
Speed range	1:200(SVC), 1:1000(FVC)
Speed stability accuracy	±0.5%(SVC), ±0.02%(FVC)
Torque control precision	±5%（SVC）(above 10Hz), ±3%(FVC)
Overload capacity	G type: 150% rated current 60s. 180% rated current 3s. P type: 120% rated current 60s. 150% rated current 3s.
Torque boost	Automatic torque boost. Manual torque boost 0.1%～30.0%
V/F curve	Five modes: Straight-line, Multi-points, Square V/F, V/F separation, V/F Semi-separation
V/F Separation	Two modes: complete separation, semi-separation
Ramp mode	Straight-line ramp and S-curve ramp. Four kinds of acceleration/deceleration time with the range of 0.0–6500.0s
DC injection braking	DC braking frequency: 0.00Hz～maximum, braking time: 0.0s～36.0s. Braking action current value：0.0%～100.0%
Jog control	Jog frequency: 0.00Hz～50.00Hz Jog acceleration and deceleration tome:0.0s～6500.0s
Simple PLC, multistage speed operation	It implements up to 16 speeds via the simple PLC function or combination of DI terminal states.
Built-in PID	It can keep constant output voltage automatically when the mains voltage changes.
Automatic voltage regulation（AVR）	Automatically maintain a constant output voltage when grid voltage changes.
Over voltage/Over current loss of speed control	Automatic limit of the current and voltage during the operation, prevent frequent over current and over voltage
Rapid current limit	Minimizing over-current fault and protect the normal operation of converter.
Torque limit and control	"Excavator" characteristics, automatic limit of the torque during the operation, to prevent frequent over-current trip. Closed-loop vector mode torque control can be achieved.