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| Load | Three-phase three-wire squirrel-cage induction motor |
| Frequency | 50/60Hz±4Hz |
| Operating Temperature | 0ºC-50ºC |
| Storage Temperature | -20ºC-70ºC |
| Maximum Starting Time | 30 seconds |
| Pump Control Curve | 6 |
| Speed Feedback Curves | 12 |
Parameters
| General information | |
| Supply voltage | Line to line 230V-690V (to be specified) 10% |
| Frequency | 50/60Hz 4Hz(dual frequency) |
| Control Supply | 110-120V of 220-240V (to be specified) |
| Control Inputs and Outputs | 110-120V of 220-240V (to be specified) |
| Load | 3 phase, 3 wire, squirrel cage induction motor |
| Operating temperature | 0ºC to 50ºC |
| Storage temperature | -20 ºCt o 70ºC |
| Maximum starting time | 30 seconds |
| Maximum starts per hour | 4 starts per hour at 400% In, Up to60 starts per hour at lower load applications |
| Operating parameters | |
| Starter FLC | Starter Full Load Current 17~950 Amp |
| Motor FLA | Motor Full Load Ampere 50%-100% of starter FLC |
| Pump control curves | 6 field selectable curves preventing over pressure during start and water hammer during stop |
| Pulse start duration | A pu lse of 80% Un for adjustable time 0-1 second, to start high friction loads |
| Initial voltage | 10%-50% Un*(can be extended to 80% Un) |
| Current limit | 100%-400% of Motor FLA* (can be extended to 500%) |
| Ramp-up time | 1-30 seconds (can be extended to 90s*) |
| Ramp-down time | 1-30 seconds(can be extended to 90s*) |
| Dual adjustments | Secondary start stop characteristics for Initial voltage, current limit, acceleration time deceleration time and motor FLA. |
| Energy saving | Activated when motor is lightly loaded for extended periods of time |
| Slow speed torque | Maximum torque produced while motor is operating at 1/6 of nominal speed to a maximum of 30 seconds |
| Tacho and linear acceleration | 12 selectable curves-defines gain control to improve the tach o feedback linearity |
| Starting from diesel generator | Special starting characteristics become operative via an internal dip switch. (contact terminal 8, for dual adjustment) |
| Motor protection | |
| Too many starts | Determines maximum number of starts allowable during Start Period Rangel-10starts in start period 1-60minutes |
| Start inhibit | Prevents starting for a variable period of 1-60 minutes after TOO MANY STARTS is indicated |
| Long start time (stall protection) | Starter trips if the full motor speed is not reached within the maximum start time of 1-30 seconds* |
| Electronic fuse (shear pin) | Trips starter in 1 cycle at 850% in during starting and 200%-850% in during running |
| Electronic overload (I t) | Adjustable between 75%-150% of motor FLA overload curve can be selected by setting trip time at 500% in,1-10 seconds |
| Under current | Starter trips when current drops below 20%-90% In, time del ay 1-40 seconds |
| Under voltage(**) | Starter trips when mains voltage drops below 120-600V, time del ay 1-10 seconds |
| Over voltage | Starter trips when mains voltage increases above 150-750Vtime del ay 1-10 seconds |
| Phase loss,(under/ over frequency**) | Starter trips when 1 or 2 phases fail and when frequency is 4Hz of nominal frequency |
| Phase sequence | Starter trips when phase sequence is incorrect |
| Long slow speed time | Starter trips if operating at slow speed longer than 30 seconds |
| Wrong connection | Prevents starting if the motor is incorrectly connected to the starter |
| Shorted SCR | Prevents starting when one or more SCRs are shorted |
| Heatsink over temperature | Starter trips when heatsink temperature rises above 85 |
| External fault | Starter trips when an external contact closes for 2 seconds |
| Motor insulation(optional) | Alarm level setting 0.2-5M. Trips when motor insulation decreases below 0.2-5M setting. The thyristors must be protected against short circuit |
| Thyristor Protection | Metal Oxide Varistors(MOVs) and snubber circuits |
| Control | |
| Analogue I/O | Input of motor overheat signal Ouput of analog signals of motor current |
| Displays | LCD in 4 selectable languages and 8 LEDs |
| Keypad | 6 clearly defined keys for easy setting |
| Aux. contact-immediate | 1 C/O,8A,250V A. C,2000VA(delay 0-60 seconds) |
| Aux. contact-end of acceleration | 1 C/O,8A,250V A. C,2000VA(del ay 0-120 seconds) |
| Fault contact | 1 C/O,8A,250V A. C,2000VA(selectable as trip or trip fail safe) |
| Insulation alarm contact(optional) | 1 C/O,8A,250V A. C,2000VA |
| Communication(optional) | RS 485 with Modbus/ Profibus protocol for full control and supervision |
Measurement
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