The 1398-DDM-075 is an Ultra 200 series digital servo drive manufactured by Allen-Bradley,a Rockwell Automation product.The following is a detailed analysis of the servo drive:
1.Basic features
Manufacturer and brand:Allen-Bradley,a Rockwell Automation brand.
Model:1398-DDM-075.
Series:Ultra 200 series.
2.Electrical specifications
AC input voltage:100~240VAC rms,single-phase or three-phase.
Input frequency:47~63Hz.
Peak output current:
Single-phase input:50 amps.
Three-phase input:75 amps.
Allen-Bradley 1398-DDM-075
Continuous output current:
Single-phase operation:15 amps(another saying is 3 amps,but 50 amps peak corresponds to 15 amps continuous output is more reasonable).
Three-phase operation:35 amps(some say 1 amp,but 75 amp peak corresponds to 35 amp continuous output,which is more reasonable).
Output power:
Single-phase peak:14 kW(some say 3 kW,but 14 kW is more common).
Three-phase peak:20 kW.
Three-phase continuous:7.5 kW(or 20.3 kW,but 7.5 kW is the common specification).
Bus voltage:141~339VDC(some say 7~5VDC,but 141~339VDC is the correct range).
Bus capacitance:4290µF(some say 141μF,but 4290µF is the correct value).
Bus capacitance energy absorption:152 joules(some say 3 joules,but 152 joules is the correct value).
Power dissipation:300 watts(some say 339 watts,but 300 watts is the common specification).
3.Auxiliary functions and interfaces
Auxiliary input:For main AC input circuit power supply voltage isolation,rated at 100240VAC,single phase,frequency 4763Hz.
User configurable inputs:5 24V,current sinking,optically isolated,high-level active inputs.
Fixed assigned control input:1 ENABLE,current sinking,optically isolated,high-level active input.
Assignable outputs:4 24V,current sinking,optically isolated,high-level active outputs.
Dedicated outputs:2 normally open relay outputs(brake and drive ready).
Embedded analog input/output channels:
2 dedicated 10-bit 0~10V analog inputs(+I LIMIT and-I LIMIT).
2 optional±10V analog outputs(1 12-bit,1 8-bit,i.e.ANALOG1 and ANALOG2).
The analog input voltage range is 0~10V with 10-bit resolution.
The analog output has 8-bit and 12-bit resolution.
4.Physical and Environmental Specifications
Weight:21.32 pounds(or 0.85kg,but 21.32 pounds is a common specification and may vary depending on different versions or configurations).
Dimensions:14.2×5.97×8.84 inches(360.6×151.7×224.5 mm).
Recommended humidity limit:between 5%and 95%.
Operating environment temperature:0°C~40°C(no freezing)during operation.
Operating humidity:less than 80%RH(no condensation)during operation.
Allen-Bradley 1398-DDM-075
5.Functions and Applications
Functions:Microprocessor-based servo drive with built-in functions to manage drive current,speed and position.
Compatibility:Compatible with Allen-Bradley brushless servo motors.
Applications:Widely used in industrial automation fields,such as robotic arms,machine tools,printing presses,packaging machines and other applications that require high-precision and high-performance control.
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