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Home Bosch Rexroth Indramat DKC Drive Controllers DKC01.1-040-7-FW

DKC01.1-040-7-FW Bosch Rexroth Indramat

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  • Rated 4.5 (45 total ratings)

Wake Industrial LLC is not an authorized distributor of this product.

MPN: R911265406

The Bosch Rexroth Indramat DKC01.1-040-7-FW belongs to the DKC Drive Controllers series and is designed as an EcoDrive. It features a rated current of 40 Amps, a DC-bus nominal voltage of 700 Volts, and offers IP20 protection. The drive has dimensions of 360 by 210 by 65 millimeters and weighs 4.4 kilograms.

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Internal Product Review

The DKC01.1-040-7-FW is a Bosch Rexroth Indramat EcoDrive controller with a 40 A rated current and a 700 V DC-bus nominal voltage. IP20 protection and a compact footprint make panel integration especially practical for controlled industrial installations. The 820 V bleeder response threshold is a standout feature for stable and dependable drive control.

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Product Description:

The DKC01.1-040-7-FW belongs to the DKC Drive Controllers series manufactured by Bosch Rexroth Indramat. Classified as an EcoDrive unit, it functions as a power and control interface between the plant's DC bus and individual servo or induction motors. 

The drive's continuous output rating reaches 40 A, which is the maximum motor current it can supply without derating. Its internal link circuit is referenced to a nominal DC-bus potential of 700 V, and this voltage is provided by a front-end supply module that serves as the energy reservoir for rapid acceleration. A storage network of 0.15 mF smooths this bus, limiting ripple and protecting downstream components. When regenerated energy causes the link voltage to climb, a braking resistor is activated once the level hits 820 V, preventing overvoltage faults. All live parts remain behind a housing rated at IP20, so the unit is suitable for cabinet-mounted equipment while still allowing convection airflow across the heat sink. Control electronics draw 0.7 A from a 24 V logic supply, and the BB contacts on the terminal strip switch at 1 A to feed external interlocks.

Physical integration is simplified by overall dimensions of 360 × 210 × 65 mm, permitting high packing density on DIN rails. The drive requires a cooling clearance of 80 mm above and below the unit so natural air circulation can remove switching losses. The controller tolerates ambient moisture up to 25 g/m³ and will continue operating at temperatures as high as +55 °C with reduced nominal output, supporting installation in non-conditioned enclosures. The unit weighs 4.4 kg. The design remains stable up to 1000 m altitude with relative humidity not exceeding 95%.

BB Contact Switching Current
1 A
BB Contact Switching Voltage
DC 24 V
Bleeder Response Threshold
820 V
Control Voltage Current Consumption
0.7 A
Cooling Clearance (top/bottom)
80 mm
DC Bus Capacitance
0.15 mF
DC Bus Connection Cable Cross Section
4 mm²
DC Bus Connection Cable Length Max
1.0 m
DC-bus nominal voltage
700 V
Design
1
Design Version
1
Dimensions
360 x 210 x 65 mm
Interface Option
01
Max Absolute Humidity
25 g/m³
Max Ambient Temp (reduced Nominal)
+55 °C
Max Installation Elevation
1000 m
Max Relative Humidity
95 %
Minimum Clearance
80 mm
Product Type
EcoDrive
Protection Category
IP20
Rated Current
40 A
Series
01
Weight
4.4 kg

Frequently Asked Questions about DKC01.1-040-7-FW:

Q: What is the rated current capacity of the DKC01.1-040-7-FW drive controller?

A: The DKC01.1-040-7-FW drive controller supports a rated current of 40 A.

Q: What is the DC-bus nominal voltage for the DKC01.1-040-7-FW controller?

A: This model operates at a DC-bus nominal voltage of 700 V.

Q: What product type is the DKC01.1-040-7-FW drive controller labeled as?

A: The DKC01.1-040-7-FW is classified as an EcoDrive.

Q: What is the protection category rating for the DKC01.1-040-7-FW controller?

A: The protection category for this controller is IP20.

Q: What is the highest installation elevation supported by the DKC01.1-040-7-FW?

A: This controller has a maximum installation elevation of 1000 meters.

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Repair Estimate $1,695.00 DKC01.1-040-7-FW
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Fault Code Diagnostic Meaning (H1 display) Typical Causes First-Response Troubleshooting
F218 Heatsink over-temperature shutdown  • Ambient > 45 °C• Dirty or obstructed heatsink fins• Cabinet airflow blocked• Defective heatsink blower • Lower enclosure temperature / improve ventilation• Vacuum or blow out fins• Check mounting clearance• Replace blower if it won’t run
F219 Motor over-temperature shutdown • Continuous overload (torque > rated)• Broken or shorted motor temp-sensor leads• Unstable velocity loop • Verify load/sizing; reduce duty cycle• Inspect/megger temperature-sensor cable• Retune speed loop parameters; clear mechanical drag
F228 Excessive control deviation  • Commanded acceleration exceeds drive limit• Axis jammed or hard-stopped• Monitoring-window (S-0-0159) set too tight • Lower accel/torque limit (S-0-0092)• Free up or lubricate axis• Widen monitoring window & retune
F229 Encoder 1 failure – quadrant error (motor encoder)  • Damaged or noisy encoder cable• EMI coupling from power leads• Faulty encoder or interface • Swap in known-good cable routed away from power• Inspect shielding/grounding• Replace encoder module or drive if error persists
F230 Max. signal frequency of encoder 1 exceeded  • Motor speed above encoder spec• EMI on encoder lead• Defective encoder interface • Reduce commanded speed• Check cable routing & shielding• Replace encoder interface if recurring
F234 Emergency-stop active (+24 V removed) • E-stop chain opened• Safety relay tripped• Wiring fault at X2 E-stop input • Verify +24 V supply on E-stop loop• Reset safety relay once cause removed• Inspect wiring & contacts for breaks
F242 Encoder 2 failure – signal too small (external/linear)  • Sin/cos amplitude < 1 V• Long or damaged feedback cable• Mis-aligned measuring head • Scope encoder signals; target 1–11.8 V pointer length• Replace/shorten cable, keep away from power leads• Realign or replace encoder
F245 Encoder 2 failure – quadrant error • Defective external encoder cable• EMI on feedback line• Bad DLF interface board • Install new shielded cable• Route away from motor leads• Swap DLF board / external encoder
F246 Max. signal frequency of encoder 2 exceeded • External encoder running above spec• EMI or noisy signals• Interface fault • Lower axis speed or resolution• Improve shielding & grounding• Verify P-0-0185 parameter (spindle vs. position)
F248 Low battery voltage (< 2.8 V) • Backup battery at end-of-life (≈ 10 years) • Replace battery pack within ≈ 2 weeks to retain absolute-encoder data; then clear fault
Model Rated Continuous Current (A) DC-Bus Nominal Voltage (VDC) 3-Phase AC Input Range Native / Option Interfaces*
DKC01.1-040-7-FW 40 700 380 – 480 V Analog + RS-232
DKC01.3-100-7-FW 100 700 200 – 480 V Analog + LK-EAK02 (Parallel / Stepper)
DKC02.3-040-7-FW 40 700 200 – 230 V RS-232/485 + LK-SCK02 (SERCOS)
DKC02.3-100-7-FW 100 700 200 – 480 V RS-232/485 + LK-SCK02 (SERCOS)
DKC11.3-040-7-FW 40 700 380 – 480 V Analog + RS-23

DKC01.3-040-7-FW
DKC01.1-040-7-FW

DKC01.1-030-3-FW
DKC01.3-100-7-FW
DKC01.3-200-7-FW
DKC02.3-040-7-FW
DKC02.3-100-7-FW
DKC11.3-040-7-FW
DKC11.3-100-7-FW
DKC11.3-200-7-FW
Code What the drive is telling you
F218 Heatsink over-temperature shutdown (drive protects itself when the power section gets too hot).
F219 Motor-temperature sensor reports the stator is above its limit. 
F228 Excessive control deviation / following-error—commanded position or speed cannot be reached. 
F229 Encoder 1 (motor encoder) quadrant error—invalid incremental-signal sequence detected.
F230 Encoder 1 maximum signal-frequency exceeded (motor spinning faster than the interface can read).
F234 Emergency-stop loop opened (+24 V removed at the E-stop input). 
F242 Encoder 2 (external/linear) signal amplitude too small—feedback line is weak or noisy. 
F245 Encoder 2 quadrant error—invalid signal sequence on the secondary encoder. 
F246 Encoder 2 maximum signal-frequency exceeded.
F248 Backup battery voltage below 2.8 V—absolute position data at risk. 
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