Delta vfd m series manual

A short summary of this paper. The VFD-M Series is manufactured with high-quality components and materials and incorporate the latest microprocessor technology available. This manual is to be used for the installation, parameter setting, troubleshooting, and daily maintenance of the AC motor drive. To guarantee safe operation of the equipment, read the following safety guidelines before connecting power to the AC motor drive.

Keep this operating manual at hand and distribute to all users for reference. To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive are to do installation, start-up and maintenance. Failure to comply may result in personal injury and equipment damage. If you have any questions, please contact your dealer. AC input power must be disconnected before any wiring to the AC motor drive is made.

A charge may still remain in the DC-link capacitors with hazardous voltages, even if the power has been turned off. To prevent personal injury, please ensure that power has turned off before opening the AC motor drive and wait ten minutes for the capacitors to discharge to safe voltage levels. Never reassemble internal components or wiring. Ground the VFD-M using the ground terminal.

The grounding method must comply with the laws of the country where the AC motor drive is to be installed. Refer to the Basic Wiring Diagram. VFD-M series is used only to control variable speed of 3-phase induction motors, NOT for 1- phase motors or other purpose. The semi-conductor used in AC motor drive easily damage by high-voltage. There are highly sensitive MOS components on the printed circuit boards.

These components are especially sensitive to static electricity. To prevent damage to these components, do not touch these components or the circuit boards with metal objects or your bare hands. Only qualified persons are allowed to install, wire and maintain AC motor drives. Some parameters settings can cause the motor to run immediately after applying power. DO NOT install the AC motor drive in a place subjected to high temperature, direct sunlight, high humidity, excessive vibration, corrosive gases or liquids, or airborne dust or metallic particles.

Only use AC motor drives within specification. Failure to comply may result in fire, explosion or electric shock. To prevent personal injury, please keep children and unqualified people away from the equipment. When the motor cable between AC motor drive and motor is too long, the layer insulation of the motor may be damaged.

Please use a frequency inverter duty motor or add an AC output reactor to prevent damage to the motor. Refer to appendix B Reactor for details. Table of Contents Preface A-1 Appendix B Accessories B-1 B.

B-3 B. B-5 B. B-6 B. B-7 B. B-8 B. B B. C-1 C. C-2 C. C-4 C. In order to retain the warranty coverage, the AC motor drive should be stored properly when it is not to be used for an extended period of time. Store in a clean and dry location free from direct sunlight or corrosive fumes.

Store within an air pressure range of 86 kPA to kPA. DO NOT place on the ground directly. It should be stored properly. Moreover, if the surrounding environment is humid, you should put exsiccator in the package. DO NOT store in an area with rapid changes in temperature. It may cause condensation and frost. Storage longer than one year is not recommended, it could result in the degradation of the electrolytic capacitors.

Ra nge Degree 1. Operating, storing or transporting the AC motor drive outside these conditions may cause damage to the AC motor drive. Failure to observe these precautions may void the warranty! Mount the AC motor drive vertically on a flat vertical surface object by screws.

Other directions are not allowed. The AC motor drive will generate heat during operation. Allow sufficient space around the unit for heat dissipation. The material on which the AC motor drive is mounted must be noncombustible and be able to withstand this high temperature.

When AC motor drive is installed in a confined space e. Prevent fiber particles, scraps of paper, saw dust, metal particles, etc. When installing multiple AC more drives in the same cabinet, they should be adjacent in a row with enough space in-between. When installing one AC motor drive below another one, use a metal separation between the AC motor drives to prevent mutual heating.

Be sure to observe the following precautions when wiring. Follow all local codes that exceed UL and cUL requirements. Refer to the technical data label affixed to the AC motor drive and the motor nameplate for electrical data.

These fuses or equivalent must be used on all installations where compliance with U. Failure to comply may result in damage to the equipment. The voltage and current should lie within the range as indicated on the nameplate. All the units must be grounded directly to a common ground terminal to prevent lightning strike or electric shock.

Please make sure to fasten the screw of the main circuit terminals to prevent sparks which is made by the loose screws due to vibration. Check following items after finishing the wiring: A. Are all connections correct? No loose wires? No short-circuits between terminals or to ground? A charge may still remain in the DC bus capacitors with hazardous voltages even if the power has been turned off. To prevent personal injury, please ensure that the power is turned off and wait ten minutes for the capacitors to discharge to safe voltage levels before opening the AC motor drive.

Only qualified personnel familiar with AC motor drives is allowed to perform installation, wiring and commissioning. Make sure that the power is off before doing any wiring to prevent electric shock. The wiring of main circuit and control circuit should be separated to prevent erroneous actions. Please use shield wire for the control wiring and not to expose the peeled-off net in front of the terminal. Please use the shield wire or tube for the power wiring and ground the two ends of the shield wire or tube.

The AC motor drive, motor and wiring may cause interference. To prevent the equipment damage, please take care of the erroneous actions of the surrounding sensors and the equipment. To permanently reverse the direction of motor rotation, switch over any of the two motor leads. With long motor cables, high capacitive switching current peaks can cause over-current, high leakage current or lower current readout accuracy.

To prevent this, the motor cable should be less than 20m for 3. And the cable should be less than 50m for 5. For longer motor cables use an AC output reactor. The AC motor drive, electric welding machine and the greater horsepower motor should be grounded separately. Use ground leads that comply with local regulations and keep them as short as possible.

Refer to Appendix B for details. Multiple VFD-M units can be installed in one location. All the units should be grounded directly to a common ground terminal, as shown in the figure below. Ensure there are no ground loops.

NFB is optional. Surge, switching Input AC spike, power flick, etc. And the wiring distance EMI Filter should not exceed 10m. Please refer to Appendix B for detail. Effective for noise reduction B1 Ferrite Core on both the input and output sides.

Please refer to Optional Appendix B for detail. Please refer to the chart on Appendix B for specific brake Optional resistors. Motor surge voltage amplitudes Motor Output AC depending on motor cable length. It is unnecessary to consider phase-sequence. Both ends of the MC should have an R-C surge absorber. Please use inductance filter. M3 Multi-function input 3 ON: the activation current is 10 mA. It is recommended to run all signal wiring in a separate steel conduit.

The shield wire should only be connected at the drive. Do not connect shield wire on both ends. If the noise is inductive, connecting the shield to terminal GND can bring improvement. EMI can also be reduced by lowering the Carrier Frequency. The display panel provides the parameter display and shows the operation status of the AC drive and the keypad provides programming and control interface.

The counter value c. The specified parameter. The AC drive forward run status. The AC drive reverse run status. After a parameter value has been set, the new value is automatically stored in memory. To modify an entry, use the and keys.

Please choose a suitable method depending on application and operation rule. You can perform a trial run by using the digital keypad with the following steps: 1. After applying power, verify that the display shows F Press key to set frequency to 5Hz. And if you want to change to reverse running, you should STOP press. If the results of trial run are normal, please start the formal run.

The DC-link capacitors may still be charged to hazardous voltage levels, even if the power has been turned off. In most applications, the user can finish all parameter settings before start-up without the need for re-adjustment during operation. Multi-function Input Pr. The AC motor drive will auto search motor speed and will accelerate when its speed is the same as the motor speed.

When Pr. Once OC stall, OV stall and over- To protect torque occurs, the output frequency Pumps, fans and machines and to will be adjusted automatically. Three skip frequency ranges can be set. Suitable for intelligent air conditioners. LC-M02E Pr. Keypad STOP key is effective. Keypad STOP key is not effective. Refer to Pr. Coast: The AC drive will stop the output instantly, and the motor will coast to stop.

For example: if the drive is rated for VAC output and the Maximum Voltage Frequency is set to 60Hz, the drive will maintain a constant ratio of 7. Setting of Pr.

The Maximum Output Voltage setting must be smaller than or equal to the rated voltage of the motor as indicated on the motor nameplate. Setting of this parameter must be equal to or greater than Minimum Output Frequency Pr. Setting of this parameter must be equal to or greater than Minimum Output Voltage Pr. Setting of this parameter must be equal to or less than Mid-Point Frequency Pr. Setting of this parameter must be equal to or less than Mid-Point Voltage Pr. Voltage Pr. Set value No. Set value Pr.

Set value V No. The rate is linear unless the S-Curve Pr. This parameter is used to determine the time required for the AC drive to decelerate from the Maximum Output Frequency Pr. The rate is linear unless the S- Curve Pr. The actual time for the AC drive to accelerate from start-up to 60 Hz is 9. Output Freq. Time Pr. If the default value of Pr.

If Pr. Frequency Jog Freq. The desired speed frequencies are entered in Pr. When the associated multi- function input terminal is closed, drive will run at one of these specific frequencies. Multi-step speeds Pr. When this function is enabled, the AC drive will stop decelerating, and maintain a constant output frequency to prevent from over-voltage tripping. Drive will resume deceleration when the voltage drops below the setting for Pr.

Note: In applications where inertia is low, over-voltage during deceleration would not occur. When inertia is high, the AC drive will automatically extend the deceleration period. If a faster stop is needed, then a dynamic brake resistor should be used.

DC bus voltage Over-voltage detection level time output Freq. This is commonly caused by rapid acceleration or excessive load on the motor. When this function is enabled, the AC drive will stop accelerating and maintain a constant output frequency. Drive will resume accelerating only after the current drops below the setting for Pr.

When this occurs, the output frequency will decrease to maintain a constant motor speed. The drive will accelerate to the steady-state output frequency only when the output current drops below the setting for Pr. Output current output current over-current over-current detection detection level level Pr. It is recommended to start with a low DC Braking Current level and then increase it until proper holding torque has been attained. DC Braking is applied until the Minimum Frequency is reached.

If stopping with DC Braking is desired, then Pr. Master Frequency Min. DC Braking during starting is used for loads that may move before the AC drive starts, such as hoists and cranes. These loads may also be moving in the wrong direction. Under such circumstances, the DC Braking can be used to hold the load in position before applying a forward motion.

DC Braking during stopping is used to stop faster than the ramp-to-stop or to hold a stopped load in position. A dynamic brake resistor may be needed in order to stop loads of high inertia. Setting of this parameter should make the residual output voltage due to regeneration almost zero, before the drive resumes operation.

This parameter also determines the search time when performing external Base-Block and Fault Reset Pr. When the output current is less than that of Pr. Power Loss Time Allowable Max. M0 must be used in conjunction with M1 to operate two and three wire control.

Mx "Close": Operation available. Mx "Open":Operation available. Normal operation can resume after the External Fault is cleared and the AC drive is reset. It will reset the drive after a fault. After receiving this command, the AC Drive stops accelerating or decelerating and maintains a constant speed. Terminals: M1 Pr. Value 12 is for Normally Open Contact normally open N. Input B. When base block control is deactivated, the AC drive will start its External Base Block speed search function and synchronize with the motor N.

Normally Close Contact Allowable max. Parameter value 17 programs an input terminal to pause the PLC program. It can be set to use a not-latched contact as the run signal. When an input is received, the counter is increased by 1.

Trigger Mx counter value increase by 18 counter 1 when closed. See the diagram below. Reset counter 19 Counter Reset Mx "close": reset counter. Any unused terminals should be programmed to 20 to insure they have no effect on drive operation.

C Control source: External Enter values 22, 23, or 24 to set the control source to be the 22 Terminal external terminals, keypad or communication respectively.

This function will disable the write function and all the content Parameter Lock Write of read are 0. The application is for customer having a key to 25 disable, Read is always control the operator to modify parameters or modify the 0 parameter by improper use. This function pause the PID control. No mater what the is close present direction of run is, the contact N. The requirement for setting direction is Pr. The position where AC drive stops will be regarded as the zero position and it will move to the angle that Pr.

If the meter reads full scale at a voltage less than 10 volts, then Pr. Terminal output is activated when over-torque is detected. Base-Block B. Terminal output is activated when the AC drive output is 04 Indication shut-off by the external Base-Block. Desired Frequency Terminal output is activated when the desired frequency 08 attained Pr. Terminal output is activated for 0. See diagram for Pr. It will be 18 Over Voltage supervision activated at Vdc in V series and at Vdc in series.

Detection Detection range range Max. Detection Pr. Attained Indication Pr. Attained Pr. Refer to the following examples. Example 1: Set Pr. Output Pr. An analog input voltage Once the Maximum Output Frequency is reached any further increase on the potentiometer will not increase output frequency If you want to use the range of 60Hz, please refer to the example 3.

In addition to the signals 0 to 10V and 4 to 20mA, other popular voltage signals include 0 to 5V, 20 to 4mA or that under 10V. As an option, you also could set Pr. Gain adjustment 30 60Hz Factory Settings Pr. This setting is used to provide a noise margin 1V in this example in noisy environments. Note that the top frequency is reduced to 54 Hz. Bias adjustment 27 60Hz Factory Settings Pr. The motor will idle when the potentiometer is set at the scale mid-point.

Factory Settings 30Hz Pr. When setting this parameter, just input the motor rated current value without any calculation. You can use this parameter to limit the output current to the motor as to prevent overheat. Setting of this parameter affects the slip compensation. The setting value must be smaller than the motor rated current setting in Pr.

Although no linear, it typically adds 6Hz for a setting of 10 if Pr. When the output current of the AC drive is greater than the motor no-load current Pr. By reading this parameter the user can check if the AC motor drive is correct. See Pr. When the output current is larger than the over- torque detection level Pr. Any of the multi-function output terminals set to indicate over-torque, will then close.

Please refer to Pr. The display windows uses decimal points to signify numbers up to three digits as illustrated in next page: Display Number Represented The absence of a decimal point indicates a four-digit integer. A signal decimal point between the middle and the right-most numbers is a true For example, the number A single decimal point after the right-most number is not a true decimal point; instead Note: Pr.

Programming this parameter to 0. Setting this parameter to 0 will disable this operation. To set the fault recovery time after a fault, please see base-block time for speed search Pr.

The PLC program can be used in lieu of any external controls, relays or switches. This parameter selects the PLC operation mode for the drive. Its relative parameter settings are: 1 Pr. Example 1 Pr. To restart the cycle, turn the PLC Program input off and then back on.

To stop the PLC program, either pause or stop the program. It should be noted that the time interval for each step may be shorter than expected due to the time required for acceleration and deceleration.

Note: operating time for each step is 10 times Frequency the settings of Pr. Also shown are examples of steps in the reserve direction.

The original direction of Master Frequency will become invalid. The binary notation for the 7-bit number must be translated into decimal notation and then entered in Pr.

The capacity, rated current, rated voltage and the max. Users can use the following table to check how the rated current, rated voltage and max. This is commonly used to reduce the number of program steps. When the over-time detection is enabled, the separation between characters cannot exceed ms. Users can select the desired mode along through parameters Pr. The master controller communicates with each AC drive according to its particular address. For example, 64 Hex. Data Format 2. Communication Protocol 3.

In this case, the AMD will not reply to the master device. Page 4 AC motor drive is to be installed. Refer to the Basic Wiring Diagram. Page 5 VFD-M-D series is the specific drive for the elevator door and other automatic door control, NOT for those devices that may cause personal injury, such as life support equipment or any life safety situation.

VFD-M-D is produced with strict quality management. It will need the safety device when it is used in those occasions that may cause severe accident due to the malfunction. Page 7: Table Of Contents 2.

Page 8: Table Of Contents 7. Page 9 C. C-4 C. Page Chapter 1 Introduction Chapter 1 Introduction 1. Revision Jan. In order to retain the warranty coverage, the AC motor drive should be stored properly when it is not to be used for an extended period of time.

When installing one AC motor drive below another one, use a metal separation barrier between the AC motor drives to prevent mutual heating. These fuses or equivalent must be used on all installations where compliance with U. With long motor cables, high capacitive switching current peaks can cause over-current, high leakage current or lower current readout accuracy.

To prevent this, the motor cable should be less than 20m for 3. Make sure that the wiring is correct. In particular, check that the output terminals U, V, W.

Verify that there are no short-circuits between terminals and from terminals to ground or mains power. Please choose a suitable method depending on application and operation rule.

The operation is usually used as shown in the following table. External Fault. In most applications, the user can finish all parameter settings before start-up without the need for re-adjustment during operation.

Keypad STOP enabled. When the display shows the multi-function display Pr. The value it displays is hexadecimal number. It needs to be converted to binary to get the result as following diagram. Input the correct password here to enable changing parameters.

Page 55 Chapter 5 Parameters VFD-M-D Series 9th step Frequency 8th step 10th step 7th step 11th step 6th step 12th step 5th step 13th step 4thstep 14th step 3rd step In this mode, it needs to run the door to the close complete position after power on again or AC motor drive stops.

It There is only 5-step speed for the has 5-step speed for the single single direction. It needs to run to the 04 Multi-step direction to simplify the detection of the Page 58 Chapter 5 Parameters VFD-M-D Series lifetime will be shorter and it can be damaged due to higher temperature, failing insulation and unstable torque output. For instance, if Pr. The deceleration time has to be set accordingly. Frequency Frequency output output This parameter must be equal to or less than Mid-Point Frequency Pr.

Output freq. The setting of the Motor no-load current will affect the slip compensation. It can limit the maximum output frequency. After faults such as O. The signal when it is in open When Pr. When Pr. The speeds frequencies are determined by Pr. When using with door control system Pr. The signal for the door close limit is received before Pr. Incorrect door close limit: a. The signal for the door open limit is received before Pr. Refer to Pr. Low-Voltage Indication Operation Mode Active when operation command is controlled by external terminal.

Under such circumstances, DC Braking can be used to hold the load in position before setting it in motion. Page Chapter 5 Parameters VFD-M-D Series O pera tion continues after fault clear, O pera ti on continues after fault clear, speed sear ch starts w ith the minim um freque ncy speed search star ts with th e Master F requency reference value After removing the cause of the fault, use the reset command to reset the drive.