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MN850
User Manual
70 pgs396.76 Kb0

Baldor MN850 User Manual

Digital Soft–Start
Installation & Operating Manual
5/03 MN850

Table of Contents

Section 1
General Information 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Introduction 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Notice 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 2
Installation 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Receiving, Inspection and Storage 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Physical Location 2-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Keypad Installation 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Optional Remote Keypad Installation 2-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Disconnect 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Protective Devices 2-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
UL Required Fuses for Short Circuit Rating 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Main Input Contactor 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Overload and Thermal Protection 2-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
In–Delta Connections 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fan Connections 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Wire Size and Protection Devices 2-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Three Wire Control 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Two Wire Control 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
NEMA 12/4 Installation 2-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Reversing Contactor 2-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation 2-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 3
Operation 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start–Up Procedure 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad Operation 3-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Status Mode 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Mode 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Data Entry Mode 3-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Navigation Examples 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Navigation 3-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Changing the Power–up Settings & Select Keypad Control 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Select Keypad Starting and Keypad Control 3-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Starting Definitions 3-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad Starting and Running the Motor with Factory Settings 3-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Keypad Starting and Running the Motor in Optimise Mode 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Start and Running the Motor 3-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Stopping Definitions 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Stopping the Motor 3-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Table of Contents iMN850
Section 4
Parameter Index 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Menu Descriptions 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Basic Menu 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Applications Menu 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Auto Features Menu 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Advanced Menu 4-3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Permanent Store Menu 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Password Menu 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Inputs Menu 4-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Outputs Menu 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameters Menu 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Trips Menu 4-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mapping to an Output Relay 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Descriptions 4-8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 5
Troubleshooting 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Notice 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preliminary Checks 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Power Off Checks 5-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Noise Considerations 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Relay and Contactor Coils 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Control Enclosures 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Motor Considerations 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Analog Signals 5-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 6
Specifications and Product Data 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Identification 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Three Phase Digital Soft–Start 6-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting Dimensions 6-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 1 6-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 2 6-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 3 6-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Size 4 6-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix A
CE Guidelines A-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix B
Parameter Values B-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix C
Replacement Parts C-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix D
Voltage Surge Protection D-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Appendix E E-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Remote Keypad Mounting Template E-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ii Table of Contents MN850
Section 1 General Information
Introduction The Baldor digital three phase multipurpose soft–starter provides reduced voltage, three
phase motor starting and control over the four periods of motor operation. First, at “Start–up” (soft–start), the motor starting voltage increases from an initial preset level to full motor voltage to provide smooth motor acceleration to full speed. Second, the “Dwell” period begins when maximum motor voltage is achieved. This dwell period allows time for the motor and load to stabilize. The third period is called “Motor run” (sometimes bypass is used during this portion of the cycle). The last period is “Stop” the motor can be stopped gradually by reducing the torque (useful in pump applications).
Soft–start and soft–stop control provide an effective means to start and stop material handling equipment and pumping equipment to minimize spillage and water hammer problems. Selectable preset parameters for specific application allows simple programming.
Several product features make this digital soft–start control easy to use:
S Selectable preset parameter settings for pumps, high inertia loads, conveyors
and compressors.
S Auto features simplify adjustments for optimum starting. S Energy savings through real time power factor monitoring. S Smooth starts and stops for impact free machine operation. S Familiar interface, 32 character LCD Display and Keypad. S Simple parameter access through 4 level programming. S Quick exit from programming by using the “#” (Exit) button. S Operating Current, Voltage and Power Factor displays. S Fault indication and Trip Log. S Programmable inputs and outputs.
Limited Warranty
For a period of two (2) years from the date of original purchase, BALDOR will repair or replace without charge controls and accessories which our examination proves to be defective in material or workmanship. This warranty is valid if the unit has not been tampered with by unauthorized persons, misused, abused, or improperly installed and has been used in accordance with the instructions and/or ratings supplied. This warranty is in lieu of any other warranty or guarantee expressed or implied. BALDOR shall not be held responsible for any expense (including installation and removal), inconvenience, or consequential damage, including injury to any person or property caused by items of our manufacture or sale. (Some states do not allow exclusion or limitation of incidental or consequential damages, so the above exclusion may not apply.) In any event, BALDOR’s total liability, under all circumstances, shall not exceed the full purchase price of the control. Claims for purchase price refunds, repairs, or replacements must be referred to BALDOR with all pertinent data as to the defect, the date purchased, the task performed by the control, and the problem encountered. No liability is assumed for expendable items such as fuses. Goods may be returned only with written notification including a BALDOR Return Authorization Number and any return shipments must be prepaid.
General Information 1-1MN850
Safety Notice This equipment contains voltages that may be as high as 600 volts! Electrical shock can
cause serious or fatal injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment.
This equipment may be connected to other machines that have rotating parts or parts that are driven by this equipment. Improper use can cause serious or fatal injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment.
PRECAUTIONS
WARNING: Do not touch any circuit board, power device or electrical connection before you
first ensure that power has been disconnected and there is no high voltage present from this equipment or other equipment to which it is connected. Electrical shock can cause serious or fatal injury.
WARNING: Be sure that you are completely familiar with the safe operation of this equipment.
This equipment may be connected to other machines that have rotating parts or parts that are controlled by this equipment. Improper use can cause serious or fatal injury. Only qualified personnel should attempt the start-up procedure or troubleshoot this equipment.
WARNING: Be sure the system is properly grounded before applying power. Do not apply AC
power before you ensure that all grounding instructions have been followed. Electrical shock can cause serious or fatal injury.
Caution: Install MOV protection for the control. See Appendix D for information. Caution: Do not remove keypad cable with power applied to unit. Disconnecting the keypad
cable with power applied will damage the control.
Caution: Shearpin trip feature is not equivalent to short circuit overcurrent protection
required by NEC. Instantaneous overcurrent protection must be provided by circuit interrupting device (fuse or breaker).
Caution: Suitable for use on a circuit capable of delivering not more than the RMS
symmetrical short circuit amperes listed here at rated voltage (with fuses specified in Section 2). Rated Amperes RMS Symmetrical Amperes 9–59 5,000 72–242 10,000 300–500 18,000 600–750 30,000 900–1200 42,000
Caution: Do not “Megger” test the motor while it is connected to the soft–start control.
Failure to disconnect motor will result in extensive damage to the control. The control is tested at the factory for high voltage / leakage resistance as part of Underwriter Laboratory requirements. Do not megger any part of the control.
Caution: Do not connect power factor correction capacitors to motor terminals. If power
factor correction capacitors are necessary, contact Baldor.
Caution: If a brake motor is used, the initial starting voltage may not be sufficient to release
the brake. It may be necessary to provide separate power for the brake release coil.
Caution: Do not connect AC incoming line power to the Motor terminals T1, T2 and T3.
Connecting AC power to these terminals may result in damage to the control.
1-2 General Information MN850
Section 2 Installation
Receiving, Inspection and Storage
When you receive your control, there are several things you should do immediately.
1. Observe the condition of the shipping container and report any damage immediately to the commercial carrier that delivered your control.
2. Remove the control from the carton. Inspect for shipping damage and report any damage immediately to your commercial carrier.
3. Verify that the part number of the control you received is the same as the part number listed on your purchase order.
4. If the control is to be stored for several weeks before use, be sure that it is stored in a location that is clean, dry and free from corrosives and contaminants. Storage temperature range is –25°C to 55°C.
Be sure to read an become familiar with the safety notices in Section 1 of this manual. Failure to observe the product safety notices can result in injury or equipment damage. If you have questions, please contact your Baldor distributor. Do not proceed unless you understand the installation and operation requirements and safety notices.
Physical Location The location of the soft–start control is important. It should be installed in an area that is
protected from direct sunlight, corrosives, harmful gases or liquids, dust, metallic particles, and vibration. Exposure to these elements can reduce the operating life and degrade performance of the control.
Several other factors should be carefully evaluated when selecting a location for installation:
1. For effective cooling and maintenance, the control should be mounted vertically on a flat, smooth, non-flammable vertical surface. Heat dissipation of 3.3 watts per running FLA of the motor must be provided. All factory supplied enclosures provided adequate heat dissipation with ambient temperatures to 40°C.
2. If the control is mounted in an enclosure, sufficient air flow must be provided (see Table 2-1). The fan or blower must be rated for at least 0.8 cubic feet of 30°C air per minute for each ampere of motor FLA rating.
Table 2-1 Air Flow Clearance Requirements
Soft–Start
Size
1 1 (25) 3 (75) 0.6 (15) 2 1 (25) 3 (75) 0.6 (15) 3 1 (25) 8 (200) 3.5 (90)
Front
inches (mm)
Top & Bottom
inches (mm)
Sides
inches (mm)
3. Keep high voltage and low voltage wiring separated. If the conduits must cross, be sure that they cross at 90° angles only.
4. Motor overload protection is required for motor branch circuits that do not have an overload protection device.
5. Front access must be provided to allow the control cover to be opened or removed for service and to allow viewing of the Keypad Display (1 inch (25mm) minimum).
6. Altitude derating. Up to 3300 feet (1000 meters), no derating required. Above 3300 feet, derate peak output current by 1% for each 330 feet above 3300 feet. 6600 feet (2000 meters) maximum.
7. Temperature derating. Up to 40°C, no derating required. Above 40°C, derate full load current by 2% per °C above 40°C. Maximum ambient is 60°C (at 40% derate).
8. Short circuit current and overcurrent devices are required for soft–start controls that do not have a circuit breaker or fusible disconnect switch.
9. Dust–proof NEMA 12, NEMA 4 non–ventilated enclosure will require an end of ramp Bypass contactor. This requires additional hardware. Refer to Figure 2-6 for details.
Installation 2-1MN850
Cover Removal
Size 1
Size 2
Remove Cover
1. Remove two cover screws.
2. Pull bottom of cover (held by cover
Cover
screws) and lift cover off of top hinge.
Screws
Size 3, 4
Cover
Screws
Remote Keypad Installation
Remove Cover
1. Remove four cover screws.
2. Remove cover.
Cover
Screws
Remove Cover
1. Remove four cover screws.
2. Open cover (hinges on left side).
Inside View (Terminal Locations)
Figure 2-1 Remote Keypad Board Installation
L1 L2 L3
Control Board
J2 J3 J4
115
T1 T2 T3
X1 X2
D5
222421121411S0
S1
Firmware
Remote Keypad Connector
Procedure:
1. Remove cover and locate J7 connector on the control board (Figure 2-1).
2. Remove old Firmware IC and install new Firmware IC. Be careful to use removal and insertion tools and anti–static procedures.
3. Install Remote Keypad Board on the J7 connector.
4. Connect remote keypad cable at Remote Keypad Connector.
5. Install cover.
6. Refer to the following Optional Remote Keypad Installation procedure and mount the keypad.
7. Connect the keypad cable to the remote keypad.
J7 Connector
Remote Keypad Board
2-2 Installation MN850
Section 1 General Information
Optional Remote Keypad Installation The keypad may be remotely mounted using optional Baldor keypad
extension cable. Keypad assembly (white - DC00005A-01; gray - DC00005A-02) comes complete with the screws and gasket required to mount it to an enclosure. When the keypad is properly mounted to a NEMA Type 4X enclosure, it retains the Type 4X rating.
Tools Required:
• Center punch, tap handle, screwdrivers (Phillips and straight) and crescent wrench.
• 8-32 tap and #29 drill bit (for tapped mounting holes) or #19 drill (for clearance mounting holes).
1
• 1-
• RTV sealant.
• (4) 8-32 nuts and lock washers.
• Extended 8-32 screws (socket fillister) are required if the mounting surface is
• Remote keypad mounting template. A tear out copy is provided at the end of
Mounting Instruction: For tapped mounting holes
1. Locate a flat 4″ wide x 5.5″ minimum high mounting surface. Material should
2. Place the template on the mounting surface or mark the holes as shown.
3. Accurately center punch the 4 mounting holes (marked A) and the large
4. Drill four #29 mounting holes (A). Thread each hole using an 8-32 tap.
5. Locate the 1-1/4″ knockout center (B) and punch using the manufacturers
6. Debur knockout and mounting holes making sure the panel stays clean and flat.
7. Apply RTV to the 4 holes marked (A).
8. Assemble the keypad to the panel. Use 8–32 screws, nuts and lock washers.
9. From the inside of the panel, apply RTV over each of the four mounting screws
Mounting Instructions: For clearance mounting holes
1. Locate a flat 4″ wide x 5.5″ minimum high mounting surface. Material should
2. Place the template on the mounting surface or mark the holes as shown on the
3. Accurately center punch the 4 mounting holes (marked A) and the large
4. Drill four #19 clearance holes (A).
5. Locate the 1-1/4″ knockout center (B) and punch using the manufacturers
6. Debur knockout and mounting holes making sure the panel stays clean and flat.
7. Apply RTV to the 4 holes marked (A).
8. Assemble the keypad to the panel. Use 8–32 screws, nuts and lock washers.
9. From the inside of the panel, apply RTV over each of the four mounting screws
/4″ standard knockout punch (1-11/16″ nominal diameter).
thicker than 12 gauge and is not tapped (clearance mounting holes). this manual for your convenience. (Photo copy or tear out.)
be sufficient thickness (14 gauge minimum).
knockout (marked B).
instructions.
and nuts. Cover a 3/4″ area around each screw while making sure to completely encapsulate the nut and washer.
be sufficient thickness (14 gauge minimum). template. knockout (marked B).
instructions.
and nuts. Cover a 3/4″ area around each screw while making sure to completely encapsulate the nut and washer.
Installation 2-3MN850
AC Main Circuit
Power Disconnect A power disconnect should be installed between the input power service and the control
for a fail safe method to disconnect power.
Protective Devices Recommended fuse sizes are based on the following:
175% of maximum continuous current for time delay. 300% of maximum continuous current for Fast or Very Fast action.
Note: These general size recommendations do not consider harmonic currents or
ambient temperatures greater than 40°C.
Be sure a suitable input power protection device is installed. Use the recommended circuit breaker or fuses listed in Table 2-5 (Wire Size and Protection Devices). Input and output wire size is based on the use of copper conductor wire rated at 75 °C. The table is specified for NEMA B motors.
Circuit Breaker: 3 phase, thermal magnetic.
Equal to GE type THQ or TEB for 230VAC or Equal to GE type TED for 460VAC and 575VAC.
Fast Action Fuses: 230VAC, Buss KTN
460VAC, Buss KTS to 600A (KTU for 601 to 1200A)
Very Fast Action: 230VAC, Buss JJN
460VAC, Buss JJS
Time Delay Fuses: 230VAC, Buss FRN
460VAC, Buss FRS to 600A (KLU for 601 to 1200A)
2-4 Installation MN850
UL Required Fuses for Short Circuit Rating
UL requires R/C fuses, special purpose fuses (JFHR2) or semiconductor fuses rated 700VAC be used to obtain the short circuit current ratings required by UL.
Fuse Manufacturer
Model Number Bussman (300 KA A.I.C.)
Catalog Number
MD9 to MD16 170M3110 6.6 URD 30 D08 A 0063 63 5,000 MD23 to MD30 170M3112 6.6 URD 30 D08 A 0100 100 5,000 MD44 170M3114 6.6 URD 30 D08 A 0160 160 5,000 MD59 170M3115 6.6 URD 30 D08 A 0200 200 5,000 MD72 to MD85 170M3116 6.6 URD 30 D08 A 0250 250 10,000 MD105 to MD146 170M3119 6.6 URD 30 D08 A 0400 400 10,000 MD174 to MD202 170M3121 6.6 URD 30 D08 A 0500 500 10,000 MD242 170M4114 6.6 URD 31 D08 A 0500 500 10,000 MD300 170M4114 6.6 URD 31 D08 A 0500 500 18,000 MD370 170M4116 6.6 URD 31 D08 A 0630 630 18,000 MD500 170M6113 6.6 URD 33 D08 A 0900 900 18,000 MD600 170M6113 6.6 URD 33 D08 A 0900 900 30,000 MD750 170M6116 6.6 URD 33 D08 A 1250 1250 30,000 MD900 170M6116 6.6 URD 33 D08 A 1250 1250 42,000 MD1100 170M6116 1500 42,000 MD1200 (2) 170M6116 (2) 1000 42,000
Ferraz (200 KA A.I.C.)
Catalog Number
Fuse
Fuse
Current Rating
Amperes
Short Circuit Rating
Amperes
Main Input Contactor An IEC or NEMA rated contactor is recommended at the input power to the control. The
soft–start control uses three pairs of SCR (silicon controlled rectifier) semiconductor devices that do not positively disconnect power. Figure 2-1 shows that the input contactor provides a positive disconnect.
Table 2-2 Connection Descriptions
Terminal Description
L1, L2, L3 Input AC power terminals. Connect input isolated 3 phase supply (any phase to any terminal).
T1, T2, T3
X1, X2
S1, S0
Relay K1
Relay K2
Output Power Terminals. Connect an induction motor to these terminals. For correct motor rotation, connection of these phases must correspond with the supply connections (L1, L2, L3).
Control Supply Input. The internal circuits require power from a 115VAC or 230VAC source (Table 2-3). A selector switch is provided to select the voltage range of the source that is connected to this input.
Remote Start/Stop Input. A voltage present across these terminals will initiate a “Start”. Removing the voltage from across these terminals will initiate a “Stop”. Note that the factory setting is keypad Start/Stop.
Pins 11 and 12 are the normally closed “Run” relay contacts. Pins 11 and 14 are the normally open “Run” relay contacts. Pins 21 and 22 are the normally closed “Top of Ramp” relay contacts. Pins 21 and 24 are the normally open “Top of Ramp” relay contacts.
Installation 2-5MN850
Note 2
115/230VAC
*
OT
*
OL
or
Note 1
Figure 2-1 Power and Motor Circuit Connections
L1 L2 L3
* Circuit Breaker
Earth
Connection
Alternate *
Fuse
L1 L2 L3
Note 1
Note 6
K1 is factory preset as the RUN" relay.
Note 7
Note 2
115VAC
*
* Input
Contactor
IC
L1 L2 L3
S1
Programmable
S0
14 11 12
24 21 22
OT
Motor Thermostat Leads
Input
K1
K2
T1 T2 T3
* AC Motor
Baldor Digital
Soft–Start
T2 T3
T1
G
Note 3
X1 X2
Note 4, 8
115/230VAC
* Optional components not provided with control.
Note 5, 6
Notes:
1. See “Protective Devices” described previously in this section.
2. Motor Overload and/or Thermal protection is required by NEC.
3. Use same gauge wire for Earth ground as is used for L1, L2 and L3.
4. Metal conduit should be used. Connect conduits so the use of a Reactor or RC Device does not interrupt EMI/RFI shielding.
5. X1 and X2 control terminal power must be present or the logic circuits will not work. Either 115VAC or 230VAC can be used. Be sure the 115/230VAC switch (Control Voltage Selector Switch) is set to the proper voltage before you apply power.
6. The X1 and X2 control voltage input has different VA ratings depending on enclosure size, see Table 2-3.
7. Add appropriately rated protective device for AC relay (snubber) or DC relay (diode).
8. To protect the control, be sure to add MOV protection. Refer to Appendix D for additional information.
See Recommended Tightening Torques in Table 2-4.
All soft–starters require a separate fused 2 wire, single phase connection at terminals X1 and X2. An external fuse is required and must be sized as described in Table 2-3. Either 115VAC (98 – 126VAC) or 230VAC (196 – 253VAC) input may be used. The control voltage selector switch allows simple selection of 115VAC or 230VAC input power.
Table 2-3 Control Supply
Chassis Size
Size 1
Size 1
Size 2 174A to 370A 18VA 200mA 100mA
Size 3, 4 500A to 1200A
Current Rating
(Amps)
to 23A 8VA 125mA 63mA
30A to 44A 10VA 200mA 100mA
59A to 146A 12VA 200mA 100mA
Nominal Power Consumption
140VA – separate fan supply 2A 1A
(VA)
8VA – Control card 125mA 63mA
115V Fuse 230V Fuse
Motor Overload and Thermal Protection
NEC and local codes may require thermal motor overload protection devices be installed rather than rely only on internal protection devices. Devices such as bi–metallic overload relays may require special Soft–Start settings (such as during low voltage starting to prevent heating). Use of electronic overload relays with this control is not recommended because of the distorted current waveform. A motor with built in thermal cutoff switches (TSTAT’s) is recommended.
2-6 Installation MN850
In–Delta Connections For Delta connected motors, the Soft–Start can be connected inside the delta windings.
This connection method is shown in Figure 2-2.
Figure 2-2 In–Delta Soft–Start Connections
Note 1
* Circuit Breaker
L1 L2 L3
Earth
Note 2
Alternate *
Fuse
Connection
L1 L2 L3
Note 1
* Optional components not provided with control.
Note 3, 9
L1 L2 L3
X1
115/230VAC
Baldor Digital
Soft–Start
X2
Note 6, 7
In–Delta connections for correct motor rotation
Soft–Start
Terminal
Motor
Terminal
* AC Motor
T1 T2 T3
T3T1T2
G
T5T6T4
T1 T2 T3
L1 L2 L3
T3 T1 T2
T5 T6 T4
Note 8
Notes:
See Recommended Tightening Torques in Table 2-4.
1. See “Protective Devices” described previously in this section.
2. Use same gauge wire for Earth ground as is used for L1, L2 and L3.
3. Metal conduit should be used. Connect conduits so the use of a Reactor or RC Device does not interrupt EMI/RFI shielding.
4. Derating factor for soft–start is 57%.
5. Parameter P6– Firing Mode must be set to 1.
6. X1 and X2 control terminal power must be present or the logic circuits will not work. Either 115VAC or 230VAC can be used. Be sure the 115/230VAC switch (Control Voltage Selector Switch) is set to the proper voltage before you apply power.
7. The X1 and X2 control voltage input has different VA ratings depending on enclosure size, see Table 2-3.
8. For reversing operation, L1 and L2 should be switched. Reversing any two of the three input phases will reverse the motor rotation.
9. To protect the control, be sure to add MOV protection. Refer to Appendix D for additional information.
Fan Connections – Size 3 and 4 only Size 1 and 2 controls do not have fan connections. For Size 3 controls make
the fan connections as shown in Figure 2-3.The Fan and Control voltages must be the same (both must be 115VAC or both must be 230VAC). 150VA (minimum) required.
Figure 2-3 Fan Connections
115V Connections
230V Connections
X1 X2
(150VA minimum) X1 X2
Installation 2-7MN850
Wire Size and Protection Devices
Table 2-4 Control Wire Sizes and Tightening Torques
Control
Control
Size
1
2
3, 4
Terminal
L1, L2, L3, T1, T2, T3
(M8 Stud for Ring connector)
Earth (Ground) Terminal
(M8 Stud for Ring connector)
L1, L2, L3, T1, T2, T3
(M8 Stud for Ring connector)
Earth (Ground) Terminal
(M8 Stud for Ring connector)
L1, L2, L3, T1, T2, T3
(Connector with two M10 holes on 30mm center)
**
Earth (Ground) Terminal
(M10 Stud for Ring connector)
Wire Gauge * Terminal Torque
AWG mm
2
Lb–in Nm
106 12
1/0 50
106 12 106 12
(2)
(2)
250MCM
Busbar size:
45x20
45x20 60x10
(2) 120
106 12 212 24 212 24
80x10
S0 and S1 14 – 22 0.5 – 2.5 4.5 0.5
All
X1 and X2 14 – 22 0.5 – 2.5 4.5 0.5
K1 (11, 12, 14) 14 – 22 0.5 – 2.5 4.5 0.5
K2 (21, 22, 24) 14 – 22 0.5 – 2.5 4.5 0.5
* Use same gauge wire for Earth ground as is used for L1, L2 and L3. ** Use terminal #4–350kcmil,1 per phase (ILSCO Part No.LO–350–S, LO–600–S or LO–1000–S or equivalent).
Table 2-5 NEC Wire Size and Protection Devices
Control Rating Input Breaker Input Fuse (Amps) Wire Gauge
Amps (Amps)
9 15 30 20 12 3.31 16 30 50 30 12 3.31 23 40 70 40 10 5.26 30 50 90 60 8 8.37
44 70 150 80 8 8.37 59 90 200 110 6 13.3 85 110 250 150 4 21.2
105 175 350 200 2 33.6 146 250 450 275 2/0 67.4 174 275 600 300 3/0 85.0 202 300 600 350 4/0 107.0 242 400 750 450 250MCM 127.0 300 450 900 600 350MCM 177.0 370 600 1200 700 500MCM 253.0 500 800 1500 900 (2) 250MCM (2) 127.0 600 900 1800 1100 (2) 350MCM (2) 177.0 750 1200 2500 1400 (2) 500MCM (2) 253.0
900 1400 3000 1600 (2) 700MCM (2) 355.0 1100 1600 2000 (3) 700MCM (3) 355.0 1200 1800 2000 (3) 700MCM (3) 355.0
Fast Acting Time Delay AWG mm
2
Note: All wire sizes are based on 75°C copper wire. Higher temperature smaller gauge wire may be used per NEC
and local codes. Recommended fuses/breakers are based on 40°C ambient, maximum continuous control output current and no harmonic current.
2-8 Installation MN850
Three Wire Control
Figure 2-4 Three Wire Control Connection
115 / 230VAC
Fuse Neutral
StartStop
R1
IC
X1 X2
R1
S1 S0
Note: Add appropriately rated protective
device for AC relay (snubber) or DC relay (diode).
Baldor
Digital
Soft–Start
Two Wire Control
Choose Control Circuit
Off
On
Or
Hand
Off
Auto
R1
R1
IC
OLOT
IC= Input Contactor Coil OL= Thermal Overload Relay OT= Motor Thermal Overload Relay
14 11 12
24 21 22
* External hardware not provided with control.
See Recommended Tightening Torques in Table 2-4.
Figure 2-5 Two Wire Control Connection
115 / 230VAC
Fuse Neutral
Control Circuit
X1 X2
R1
IC
OLOT
IC= Input Contactor Coil OL= Thermal Overload Relay OT= Motor Thermal Overload Relay
* External hardware not provided with control.
S1 S0
14 11 12
24 21 22
K1
K1 is factory preset as the RUN" relay.
K2
Note: Add appropriately rated protective
device for AC relay (snubber) or DC relay (diode).
Baldor
Digital
Soft–Start
K1
K2
K1 is factory preset as the RUN" relay.
See Recommended Tightening Torques in Table 2-4.
Installation 2-9MN850
NEMA 12/4 Installation When a NEMA12, NEMA4, NEMA4x OR IP65 enclosure is used, a separate Top of Ramp
Bypass (or shunt) contactor must be connected in parallel with the soft–start control. This will allow a solid connection of the motor to the AC power lines and eliminate the heating effect caused by the SCR’s. At the completion of the start ramp (when full start voltage is obtained) a Bypass contactor is closed. This contactor is controlled by the “Top of Ramp” relay K2. This ensures that bypass will only occur when motor voltage equals the AC line voltage.
Figure 2-6 Top of Ramp (Bypass) Connection
115/230VAC
Fuse
Neutral
X1 X2
BC
Note: Add appropriately rated protective device for AC relay (snubber) or DC relay (diode).
* External hardware not provided with control.
S1 S0
14 11 12
24 21 22
See Recommended Tightening Torques in Table 2-4.
To AC Input
L1 L2 L3
Baldor Digital
K1
K2
Soft–Start
K2 is factory preset as the Top of Ramp" function.
T1 T2 T3
To Motor
To protect the control, be sure to add MOV protection. Refer to Appendix D for additional information.
* BC Bypass
Contactor
2-10 Installation MN850
Reversing Contactor For this mode, the Stop Time must be set to zero. Also, allow a minimum of 350 milli
seconds between the Forward and Reverse commands.
Figure 2-7 Motor Reversing Connection
To AC Input
To protect the control, be sure to add MOV protection. Refer to Appendix D for additional information.
115/230VAC
Fuse
* External hardware not provided with control.
See Recommended Tightening Torques in Table 2-4.
Neutral
Forward
Reverse
R
F
F
R
R
F
Note 1
X1 X2
S1 S0
14
12 24
21 22
11
Forward Contacts
K1
K2
L1 L2 L3
Baldor Digital
Soft–Start
K2 is factory preset as the Top of Ramp" function.
T1 T2 T3
MI
MI - Mechanical Interlock
Note 1: Add appropriately rated protective
device for AC relay (snubber) or DC relay (diode).
Reverse Contacts
Installation 2-11MN850
Installation
1. Remove cover. (See cover removal described previously in this section.)
2. Mount the panel or enclosure to the mounting surface. The panel or enclosure must be securely fastened to the mounting surface. Refer to the mounting dimensions in Section 6 of this manual.
Shock Mounting
If the control will be subjected to levels of shock greater than 1G or vibration greater than 0.5G at 10 to 60Hz, the control should be shock mounted.
3. Ground the panel and control per NEC article 250 as well as state and local codes.
4. Use copper wire rated for at least 75°C. Refer to Tables 2-4 and 2-5 for wire size recommendations.
5. Connect the incoming AC power wires from the power disconnect and/or protection devices to L1, L2 and L3 terminals. Tighten each terminal as specified in Section 2 of this manual. To protect the control, be sure to add MOV protection (refer to Appendix D for additional information).
6. Connect 115VAC to the X1 and X2 terminals. This 115VAC input must be fused. Refer to Table 2-3 for ratings.
7. Be sure to set the 115/230VAC switch (Control Voltage Selector Switch) to the 115VAC position.
8. * Connect earth ground to the “GND” of the control. Be sure to comply with local codes.
9. Connect the motor leads to terminals T1, T2, and T3.
10. * Connect motor ground wire to the “GND” of the control. Be sure to comply with all applicable codes.
11. Connect the S0, S1, K1 and K2 control terminals as required for your installation.
12. Verify the input line voltage is correct.
13. Verify the Control Voltage is correct and that the selector switch is correctly set.
14. Complete any optional wiring connections that may be needed for your installation.
15. Install cover.
* Grounding by using conduit or panel connection is not adequate. A separate
conductor of the proper size must be used as a ground conductor.
2-12 Installation MN850
Section 3 Operation
Overview The start–up procedure will help get your system up and running quickly and will allow
motor and control operation to be verified. This procedure assumes that the Control and Motor are correctly installed (see Section 2 for procedures) and that you have a basic understanding of the keypad programming & operation procedures.
1. Read the Safety Notice and Precautions in section 1 of this manual.
2. Mount the control.
3. Be sure the cover is on and the keypad is plugged in but all power is OFF.
4. Connect Three Phase AC power (L1, L2, L3).
5. Connect 115VAC 1 phase power (X1, X2). Note: Factory assembled combination and non–combination controllers and
controllers in ventilated NEMA 12 enclosures have an internal transformer that provides 115VAC power to X1 and X2 terminals (pre–wired).
6. Connect the motor.
Pre–Start Checklist Check of electrical items.
CAUTION: After completing the installation but before you apply power, be
sure to check the following items.
1. Verify the Three Phase AC line voltage at source matches control rating.
2. Verify the X1, X2 Control Voltage at source is correct. An external fuse is required and must be sized as described in Table 2-3.
3. Verify the Control Voltage Selector Switch is correctly set.
4. Inspect all connections for accuracy, workmanship and tightness as well as compliance to codes.
5. Verify control and motor are grounded to each other and the control is connected to earth ground.
6. Check all signal wiring for accuracy.
7. Be certain all brake coils, contactors and relay coils have noise suppression. This should be an R-C filter for AC coils and reverse polarity diodes for DC coils. MOV type transient suppression is not adequate.
Check of Motors and Couplings
1. Verify freedom of motion of motor shaft.
2. Verify that the motor coupling is tight without backlash.
3. Verify the holding brakes if any, are properly adjusted to fully release and set to the desired torque value.
Operation 3-1MN850
Start–Up Procedure This procedure assumes that this is the first time the control and motor have been
started. The normal start–up procedure would be as follows:
1. Apply X1, X2 Control Voltage power (115VAC).
2. Apply three phase power. The display should show “Stopped & Ready”.
3. Press ENTER and the display should show “Applications”.
4. Press ENTER and the display should show “Settings”.
5. Press the UP or DOWN Arrows and select the desired type of motor load.
6. Press ENTER and the display should briefly display loading of parameters then prompt for “Send to Store?”. Press ENTER to store values.
Note: Values must be saved to “Permanent Store” to be restored at power–up.
See “Changing the Power–up Settings” in this section.
7. Press “#” twice to exit programming.
8. The display should show “Stopped & Ready”. Press “Start/Stop” to run the motor.
First Time Start–up (Apply X1, X2 115 volt power and become familiar with the control). Apply X1, X2 Control Voltage power (115VAC). The backlit LCD display will illuminate
and display. The control is now ready for operation.
Action
Apply Control Voltage (115VAC)
Keypad Display shows this opening message.
If no faults the display will show
Description Display Comments
Baldor Soft Start
Stopped & Ready
Logo display for 2 seconds.
System Status mode.
this message.
Keypad Operation On the control front panel is a keypad and display as shown in Figure 3-1.
Figure 3-1 Keypad Definition
Baldor Soft Start
PARAMETER SETTING
Select store
ENTER
exit/reset
#
up/increment
down/decrement
OPTIMISE bit shift left
Keypad Switch
ENTER Enters the
#
System Status
Program menu.
No action
No action Position in the menu
Position in the menu structure goes forward (down) one level. (e.g. from Level 2 to Level 3).
Position in the menu structure goes back (up) one level. (e.g. from Level 1 to Level 0).
structure goes back (up) one level.
Mode
Program Menu
Accepts any changes to the setting of a menu item. The new setting is flashed on the display for 2 seconds then returns to the menu mode.
Cancels any changes to the setting of a menu item. The display returns to the menu mode.
Increments a menu item that has an analog value. Or, Sets one selected bit to Bit=1 for a menu item that requires a logical selection.
Data Entry
Display is a backlit 2 line x 16 character LCD display (32 character display).
Note: For keypad to be active,
keypad control must be selected.
No action Position in the menu
OPTIMISE Selects or
Start Stop
deselects optimizing, when motor is running.
Starts or Stops the motor.
structure goes back (up) one level. (e.g. from Level 1 to Level 0).
0000 0000
Shifts left one bit position at a time.
No action No action
Decrements a menu item that has an analog value. Or, Sets one selected bit to Bit=0 for a menu item that requires a logical selection.
Note: Optimise key is used as left right shift key to scroll through the bit map in parameter 18, 51, 52, 53, 54, 86, 95, 96.
3-2 Operation MN850
Operating Modes
System Status Mode
Description Display Comments
During normal operation, the display shows the status of operation.
Menu Mode At the power up display, press ENTER one time to go to the menu mode and display the
level 1 menu.
Description Display Comments
In the menu mode, a flashing cursor is displayed. Use the ⇑ or ⇓ keys to scroll through the menu items. Use the ENTER key to select a menu item or move to the next level.
Data Entry Mode At the menu mode, scroll to the desired parameter value you wish to change. Press
enter to view or change the data. (If a blinking cursor is not present, the data is read only.)
Description Display Comments
In the data entry mode, a flashing cursor is displayed. Use the ⇑ or ⇓ keys to increase or decrease the value of the parameter. Use the ENTER key to save the data value. The display will flash one time if the value is accepted. The display will flash two times if the value is erroneous.
OPTIMIZE CURRENT 183 A
APPLICATIONS BASIC
START PEDESTAL 20 PERCENT
Shows that Optimized operation is selected and the load current is 183 amperes.
V represents blinking cursor.
V represents blinking cursor.
Operation 3-3MN850
Menu Structure
Level 0 Level 1 Level 2 Level 3
ENTER ENTER ENTER ENTER
Figure 3-2 Menu Structure Diagram
Stopped and ready
Applications
Auto features
Auto features
Basic
Basic
Advanced
Advanced
Permanent store
Permanent store
Password
Password
Inputs
Outputs
Parameters
Trips
Settings Auto Jog (Off) Auto Pedestal (Off)
Auto end start (Off) Auto stop (Off)
Auto end stop (Off) Auto bypass (On) Auto 3MC (On) Auto off (Off)
Stop smoothing (Off) Starting (Keypad)
Start pedestal Start time (5s)
Stop pedestal (10%) Stop time (0s)
Current limit (3.5xle) Power on Param
Protection
Save parameters
Power on parameters
Default parameters
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Settings Default (keypad)
Small Pump Large Pump Conveyor Low Inertia Fan High Inertia Fan Recip Compressor Screw Compressor Rotary Compressor
Current Optimise rate (5) Kick start (Off) Kick pedestal (75%) Kick time (25cycles) Dwell time (5s) Low volts stop (On) Contactor delay (160ms) Trip sensitivity (1) Station number (1) Language (44) Firing mode (0) *
Stop Smoothing (5)
Full Full + optimise(Preset) Start + bypass Phase loss only
Rated current (Ie) ** Low current (Off) Low amps level (0.1xFLC) Low amps time (50cycles) C/L time out (On) Current limit (3.5xIe) Limit time out (30s) Shearpin (On) Shearpin level (3.125xIe) Shearpin time (100cycles) Overload level (1.1xIe) Overload delay (140)
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* The “Firing Mode” must be set to 1 for the In–Delta configuration. ** The “Rated Current” setting is for reference only and is not user adjustable.
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3-4 Operation MN850
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