Page 11 See page Warranty Benshaw provides a 1 year standard warranty with its starters. An extension to the 3 year warranty is provided when a Benshaw or Benshaw authorized service technician completes the installation and initial start up.
The warranty data sheet must also be signed and returned. The cost of this service is not included in the price of the Benshaw soft starter and will be quoted specifically to each customers needs. Product Features 5 Additional Digital Inputs The starter can be custom designed for specific applications. Page 17 2 Technical Specifications The applicable motor current determines the configuration and its specific application requirements.
Specifications are subject to change without notice. Page Solid State Motor Overload The motor overload trip time will be reduced when there is a current imbalance present. TX size Min. Page Environmental Conditions Altitude Derating Altitude Derating Benshaw's starters are capable of operating at altitudes up to 3, feet meters without requiring altitude derating.
Table 11 provides the derating percentage to be considered when using a starter above 3, feet meters. Page 35 Installation If damage is apparent, notify the shipping agent and your sales representative.
Page Installation Considerations 3. Attention This product has been designed for Class A equipment. Use of the product in domestic environments may cause radio interference, in which case the installer may need to use additional mitigation methods.
Page Mounting Considerations The starter produces 4 watts of heat per amp of current and 26 square inches of enclosure surface is required per watt of heat generation. Contact Benshaw and ask for the enclosure sizing technical note for more information concerning starters in sealed enclosures.
Benshaw supplies starters under amps non-bypassed, with the heat sink protruding from the back of the enclosure. Do not run control wiring in the same conduit; For wire runs greater than feet contact Benshaw Inc. If shielded cable is used, consult The digital inputs use VAC.
The input is shipped in the voltage loop configuration unless specified in a custom configuration. Below TB5 is SW When the switch is in the on position, the input is current loop.
When off, it is a voltage input. The picture below shows how to adjust the switch to select the desired signal. Page 55 Keypad Operation The following meters can be selected using the Meter display parameter P Parameters unique to the motor starter applications need to be set again to appropriate values before motor operation.
By changing the value of this parameter and pressing [ENTER], you can jump directly to any parameter within that group. Alphanumeric Display 4. Repeatedly pressing the [ENTER] key rotates through the conditions the starter was in when the fault occurred. Enter Step Fault Description. Page 67 Parameter Groups The parameters are organized two ways, depending on the display being used.
The parameters are subdivided into five groups. Page 81 Parameter Description If the remote LCD display is being used, the table in chapter 5 beginning on page 62 can be used to find the page number of the parameter in this chapter. Description The MX can have three sources of start and stop control; Modbus Register Map, refer to www. A stalled motor condition is detected if the motor does not get up-to-speed before the up-to-speed timer expires. If the motor starts too quickly or the initial current is too high, reduce this parameter.
The kick current is only useful on motor loads that are hard to get rotating but then are much easier to move once they are rotating. Description Coast: A coast to stop should be used when no special stopping requirements are necessary; The Decel Begin Level parameter sets the initial or starting voltage level when transferring from running to deceleration.
The Decel End Level parameter sets the ending voltage level for the voltage deceleration ramp profile. When set to "Off", slow speed operation is disabled. The current imbalance must exist for 10 seconds before a fault occurs. The controlled stop will occur before the starter trips. When the motor is stopped, the overload content reduces exponentially based on Motor Overload Cooling Time parameter.
Default Low Level Low, Fault if input signal below preset trip level. High Level High, Fault if input signal above preset trip level. Description The analog input is the reference input for a starter configured as a Phase Controller or Current Follower. This feature can be used to detect an open mA loop by setting the parameter to "Low" This should be done with caution, as the [STOP] key will not stop the starter.
Page If the load on the motor increases, the starter immediately returns the output of the starter to full voltage. NOTE: This function does not operate if a bypass contactor is used. Consult Benshaw for further detail. Wye-Delta Wye Delta. This allows the starter to properly calculate the current supplied to the motor.
Only Benshaw supplied CTs can be used on the starter. Benshaw Motor Control Specification Checklists. Product Specifications.
Tech Tips. Customer Care Group. Low Voltage Soft Starters. Low Voltage Variable Frequency Drives. Medium Voltage Starters. Medium Voltage Variable Frequency Drives. Synchronous Controllers. Communication Devices. RTD Module. Legacy Products. ZIP Archive Click to download. Benshaw Connect Version Benshaw Connect User Manual. PDF — English Click to download. Benshaw M2L EventViewer. Benshaw, Inc. Benshaw Canada Controls, Inc. This site uses cookies. By continuing to browse the site, you are agreeing to our use of cookies.
We may request cookies to be set on your device. See Brushtype control in section 7. When calling Benshaw for service, this number should be recorded so it can be provided to the service technician. In addition to viewing the software version with this parameter, the software version is also displayed on power up.
When the passcode is set, parameters may not be changed. Once locked, the parameters values may be viewed on the display, but any attempt to change their values by pressing the [UP] or [DOWN] key is ignored.
Page 91 Theory of Operation The field winding will generate an AC voltage during starting and a resistor must be connected to the winding to control the voltage levels generated. The brushless motor has an auxiliary generator installed on the motor shaft that provides the field current.
All of the field controls are installed on the rotor of the motor. The external motor controller just has to provide the DC field current for the auxiliary generator at the appropriate time. The analog input must be set to be a V voltage input for correct operation. The sensor scaling and burden resistance are factory selected. Please consult factory if changes to either the sensor scaling or burden resistance is required. The communication interface is RS, and allows up to slaves to be connected to one master with repeaters when the number of drops exceeds Please refer to Figure 23 for wire and termination.
Figure TB4 Connector Right Wrong The motor is used as a generator and the energy from the motor is dissipated into resistors. Dynamic Braking only works on Brush type motors. Maintenance personnel must be trained in the safety practices, procedures, and requirements that pertain to their respective job assignments.
Fault Occurred. See fault code troubleshooting table for more details. Shut off all power and check all connections. When Present Fan wiring problem Check fan wiring.
Verify that the actual input voltage level is correct. Perform a Factory Parameter reset and then properly set all parameters before resuming normal operation. Remove power from the controller before performing these checks. The resistance should be over 50k ohms. Check L to F- for each phase. Refer to the Clamp Parts List below for names of the parts being used.
Page Appendices The alarm codes correspond to associate fault codes. In general, an alarm indicates a condition that if continued, will result in the associated fault. Alarm Description Notes When the delay expires, a Fault 37 occurs. Note that all information may be accessed either through the Input registers addresses or through the Holding registers addresses. The last column is a convenient place to write down parameter settings.
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