KDA 3.2-100-3-L0I-U1
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The KDA 3.2-100-3-L0I-U1 spindle drive features a rated continuous current of 100 amps, a peak current of 320 amps, and internal air cooling. Part of the KDA Spindle Drives by Bosch Rexroth Indramat, it operates within a temperature range of 0°C to 45°C and requires cabinet mounting for installation.
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Product Description:
The KDA series motor control drive KDA 3.2-100-3-L0I-U1 is manufactured by Rexroth Indramat. It is presented with a 115 V AC operating blower unit for maintaining ambient thermal range under continuous operations and its blower connects through the X13 port. This drive supports incremental encoder input for feedback and it lacks a secondary feedback facility.
The KDA 3.2-100-3-L0I-U1 control drive has a rated motor current of 100.0 A and its continuous steady output is 70.0 A under normal conditions. It uses a 300 VDC bus voltage for spindle motor control and its motor output is delivered through terminals A1, A2 and A3. The motor feedback can be connected using the 15-pin X3 interface and it includes an NTC thermal sensor input located at terminal X12. It supports diagnostics and parameter access during maintenance through its X4 connector that accepts digital SERCOS commands for precise spindle speed control. The KDA drive’s control signals are connected using a 37-pin NC input at port X2 and its X11 terminal provides a relay contact for ready signal monitoring. It requires proper grounding and is designed for vertical mounting inside control cabinets. The unit carries a weight 17.1 kg and its blower alone weighs 4.2 kg.
The KDA 3.2-100-3-L0I-U1 control drive comes with protection class of IP10 that does not guards from water or fine dust particles and it measure 390 mm in height. Its power consumption includes 1.4 A on +24V load and 160 mA on ±15V measurement supply. The drive supports motors of M6 winding with 5 Nm torque value and M5 with 3 Nm torque. It is built for spindle motor control in CNC machines and suits systems that require stable speed control with feedback precision.
Frequently Asked Questions about KDA 3.2-100-3-L0I-U1:
Q: How does the incremental encoder input improve spindle speed control?
A: The encoder gives real-time rotor position feedback, enhancing velocity precision. In the KDA 3.2-100-3-L0I-U1 it ensures accurate, jitter-free speed regulation under dynamic loads.
Q: What is the advantage of SERCOS digital diagnostics on X4?
A: The SERCOS enables high-speed communication for parameter access and real-time diagnostics. On the KDA 3.2-100-3-L0I-U1, this allows precise spindle control and fast troubleshooting via digital commands.
Q: How does the NTC thermal sensor input on X12 enhance safety?
A: It enables constant temperature monitoring of the motor or drive. In the KDA 3.2-100-3-L0I-U1 it triggers alarms to prevent overheating damage under heavy loads.
Q: How does the 37-pin NC input (X2) improve control flexibility?
A: It provides numerous digital I/O channels in a compact form. On the KDA 3.2-100-3-L0I-U1 this allows integration of multiple limit switches, interlocks, or mode selectors.
Q: Why does the drive support specific motor windings like M5 and M6?
A: The M5 and M6 indicate standard winding configurations with known torque-speed curves. For the KDA 3.2-100-3-L0I-U1, this simplifies matching with common spindle motors rated at 3 Nm or 5 Nm.
