Environment
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Ambient operating temperature: 32 ° to 131 °F (0 ° to 55 °C )
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Derate current 1.5% per °C from 104 ° to 131 °F (40 ° to 55 °C )
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Cooling method QMP25-QMP45 natural convection
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QMP75 and larger forced convection
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Humidity 90 % relative humidity at 122 °F (50 °C)
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Storage temperature: -40 ° to 131 °F (-40 ° to 55 °C )
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Altitude: 0 to 9,842 ft (0 to 3,000 m), derate 1 % per 380 ft (100 m) between 3,280 ft (1,000 m) and 9,842 ft ( 3,000 m)
AC supply requirements
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Supply voltage 208 to 480VAC ±10 %
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Frequency 48 to 65 Hz
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Supply fault current 100 kA
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Drive efficiency 99 %
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Armature voltage (max.) non-regen drives — 1.35 X input VAC; regen drives — 1.15 X input VAC
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Field voltage (max.) 0.9 X input VAC with 1-phase input
Control
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Analog input resolution: 16-bit plus sign, 250 μs (Qty 1), 10-bit plus sign, 250 μs (Qty 2)
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Speed loop: 250 μs loop update
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Current loop: 35 μs current sampling time
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Feedback methods
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Encoder (resolution 0.01 %)
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DC tachometer (resolution 0.1 %); AC tachometer (resolution 1 %) (300 V max.)
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Armature Voltage (resolution 5 % )
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Optional additional incremental and absolute encoders (Qty 2)
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Field control current regulated with flux control
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QMP25-QMP 8 A
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QMP350-QMP700 20 A
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Optional FXMP25 25 A
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Serial communications: 2- or 4-wire RS422 or RS485, optically-isolated
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Protocol: ANSI x 3.28-2.54-A4 or Modbus RTU
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Baud rate: 300 to 115,200
Protection & diagnostics
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Control: Galvanic electrical isolation, 24 Vdc power supply
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Supply: Loss, under-voltage, overvoltage, transient suppression, semiconductor fuses
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Armature: Open circuit, I2t overload, instantaneous overcurrent, semiconductor fuse (regen only)
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Field: Loss, overcurrent
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Motor: Motor over-temp switch or thermistor over-temperature trips
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Drive thermal: Heatsink, SCR junction, control board and option module(s)
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Current loop loss: Loss of analog current reference
24 Vdc I/O
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Digital inputs: 3 x 24 Vdc
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Digital input/outputs: 3 x 24 Vdc
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Analog inputs: 1 x 16-bit differential
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0-10 V, 2 x 10-bit voltage or mA
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Analog outputs: 2 x 10 bit voltage or mA
120 Vac I/O
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Inputs
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EMERGENCY STOP
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STOP
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RUN
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JOG
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FWD/REV
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RESET
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Outputs
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DRIVE ON
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Relays (quantity 2)
Ratings and dimensions

*Current ratings are at 104 °F (40 °C) with 150 % overload for 30 s. (R) indicates optional order code for 4-quadrant operation.
HP provided for convenience. Always size drive based on motor Amps.