VMX Series Specifications

Power Components

• 6 SCRs in inverse parallel pairs for full phase angle soft start control
• 1600V PIV rating on all units
• RC snubber for dv/dt protection of each SCR pair

Line Voltage Range

• 200 to 600 VAC, 3 phase + 10% -15% on all units, 50/60Hz

Current Ratings

• 18 - 1250A depending on unit selection
• Range of each unit is 50-100% of maximum current rating based on 1.0 service factor

AC Supply Voltage

• User supplied 120VAC + 10% -15% tolerance, 60Hz
• Optional 240VAC 50Hz control available

Overload Capacity (% of motor FLA)

• 600% for 10 seconds, 350% for 30 seconds
• 100% of Max Amp rating continuous per UL

Bypass Contactor

• Standard on all units
• Non-bypassed model available 21 OA & above (refer to product selection guide)
• Heavy Duty (Across-the-Line) rated models available (refer to VMX-HD Series in product selection guide)

Start/Stop Control Choices

• 2-wire Run-Stop using dry contacts
• 3-wire Start/Stop with built-in seal in contact
• N.C. lnterlock input (dry contact) for remote devices

Ramp Control Choices (4 built-in)

• Voltage Ramp
• Voltage Ramp with Current Limit
• CLT© Closed Loop Torque Ramp (Current Ramp)
• Current Step (current limit only)
• Ramp times adjustable 1 - 120 seconds
• Current Limit adjustable 200 - 600% of FLA

Dual Ramps

• Select via dry contact closure between any combinations of the above

Certifications

Jog

• Dry contact closure selects a non-ramping Jog function at an adjustable torque

Kick Start

• 10 - 100% starting torque for 0.1 - 2 seconds

Pump-Flex™ Deceleration Ramp

• Fully adjustable to match field conditions:
  • Begin Decel setting, 0 - 100% of line voltage
  • Decel ramp time, 1 - 60 seconds
  • End Decel setting (Of£), 0 - 1 % of Begin setting

Restart Delay Timer (Sequential Start Delay)

• Programmable time delay 1 - 999 seconds after loss of control power for staggered restarts

Time Clock Controller

• 24 hour/7 day time clock to provide automatic start
  • Up to 7 start events per day
  • Select operation from 1 through 7 days per week
  • Run time determined by process control timer

Process Control Timer (choice of either)

• Minimum Run (Batch) Timer
  • 1- 999 minutes
  • Runs until time expires, resets only if expired
  • Resumes and finishes if stopped or power is lost
• Permissive Run Timer
  • 1- 999 minutes
  • Only allows operation during active run time

RS-485 Serial Communications

• up to 247 starters per link
• Modbus RTU protocol built-in
• Full programming over the serial link
• Programmable remote starter control

Operator Interface

• Tactile feedback keypad
• Easy to read LED display
• Run and fault status indicators

Contact Joliet Technologies for pricing,
availability and freight options.
Phone: (815) 725-9696 or
Toll Free: (866) 492-9888
Fax: (815) 725-9393
E-mail: info@joliettech.com
RFQ - Request for Quote