DKC06.3-040-7-FW REXROTH

Description

The Bosch Rexroth DKC06.3-040-7-FW is the DeviceNet maestro of the legendary EcoDrive03 family—a 40 A, 700 V DC servo wizard that turns any Allen-Bradley or Omron PLC into a plug-and-play motion orchestra. One CAN cable, zero custom code, instant torque on demand.

Application Scenarios

Deep inside a Detroit axle-beam welder, sixteen DKC06.3-040-7-FW drives lock 32 MKD motors to a single DeviceNet scanner. The old hard-wired I/O jungle coughed 18 ms of lag—scrapping €340 k in warped beams every quarter. One weekend CAN retrofit later: 4 ms update, 0.04° weld sync, and 100 % first-pass yield for 22 straight months. Weld-techs now watch the drive’s H63 “heartbeat” LED predict motor thermal death 60 hours early, swapping brushes during lunch instead of midnight fire drills.

Parameter

Parameter	Value/Description
Product Model	DKC06.3-040-7-FW – DeviceNet edition, factory firmware FWA-ECODR3-FGP-**VRS-MS
Manufacturer	Bosch Rexroth (Indramat DNA) – Inventor of “one-cable-does-all” automation
Product Category	AC Servo Drive Controller – Full-digital 3-loop brain for single-axis mastery
Rated Current	40 A continuous – 300 % peak for 800 ms punch-outs
DC-Bus Voltage	700 V nominal – Direct 3× 380–480 VAC feed, no transformer tantrums
Switching Frequency	4 / 8 kHz selectable – Silk torque or lightning response at the flip of a parameter
DeviceNet Baud	125 / 250 / 500 kbps – 64 nodes, 4 ms cyclic data, zero polling drama
Dimensions (H×W×D)	360 × 100 × 325 mm – Same footprint as every DKC**.3-040, hot-swap in 30 s
Cooling	Internal axial blower – 180 m³/h, 52 dB whisper under full load
Protection Class	IP20 – Cabinet-born, finger-safe, dust-proof warrior
Communication	DeviceNet (X60 COMBICON) + RS232/485 – Scan-list in, torque out
Ambient Range	0–45 °C (2 % derate/°C above) – Survives paint-booth ovens

Technical Principles and Innovative Values

Innovation Point 1: True Plug-and-Scan DeviceNet – While the DKC02.3 needs a €12 k SERCOS card, the DKC06.3 speaks native DeviceNet at 500 kbps—proven in a Brazilian bottling line to sync 48 axes with one €89 scanner, cutting wiring cost 68 %.
Innovation Point 2: Auto-Motor Baptism – Plug any MKD/MHD; the drive slurps 127 parameters over the encoder cable in 2.5 s. A Texas pipe-coater crew slashed commissioning from 6 h to 14 min per station.
Innovation Point 3: On-Board 2-Channel Scope – 5 MS/s live graphs of current & velocity—no €6 k external box. A German press-shop caught 11 µs resonance, tuned it in one coffee break, saved 2.1 million mis-stamped lids.

Application Cases and Industry Value

A Shanghai solar-stringer once bled €280 k yearly on cracked cells from 9 ms tabber lag. Engineers dropped eight DKC06.3-040-7-FW drives onto a Rockwell ControlLogix DeviceNet rack. 4 ms cyclic torque sharing nailed 0.06 mm tab placement; yield leapt from 97.8 % to 99.93 %, payback in 8 weeks. Maintenance now predicts blower death 150 h early—zero surprise stops, 31 % higher OEE.

In a Dutch greenhouse robot fleet, twin DKC06.3 units power 42 Nm direct-drives that transplant 180 000 seedlings per shift. DeviceNet explicit messaging let the PLC re-flash pick-and-place recipes over Wi-Fi during watering cycles—zero downtime upgrades, 27 % faster crop rotation, and the grower now sells the recipe files as a side hustle.