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R911203156 (RD51.1-4B-007-L-DF-FW)

RD 500 Drive Controllers

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1 Year Warranty Included
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5 Minutes 56 Seconds

The R911203156 (RD51.1-4B-007-L-DF-FW) is a Bosch Rexroth drive control unit utilizing a mechanical grid pattern of 22.5mm. Forced air cooling is achieved with airflow entering from below and exiting above. The unit supports a converter voltage of 3 x AC 380 to 480 V (±10%) and is rated for 7 kW output. Minimum clearance requirements are 100mm at both the top and bottom of the control cabinet, and mounting is secured via two support points with internal fastening screws. Brake resistor terminals, the DC link, and line supply connections are situated atop the housing, with three motor connection terminals at the base. The unit includes a built-in brake chopper and starting lockout, and it supports parameterization via a user panel or RDwin PC interface. The device remains at dangerous voltage levels for up to five minutes after switching off due to DC link capacitors. Relative humidity should not exceed 90% condensation-free, and installation altitude must not surpass 1,000m above sea level. Central connection between protective earth and reference ground is required. Additional functions include compatibility with RZC01.1-XT, NAMUR terminal strip, 24 V standby power (external, ≤110 kW), and current filter feedback.

Technical Specifications

Mechanical Grid Pattern
22.5mm

Cool Entry Through Bottom
Yes

Hot Air Discharge Through Top
Yes

Clearance Distance
100mm

Connection Type
NAMUR Terminal Strip

Firmware
Requires Separate Purchase

Support Points for Mounting
2

Housing
Brake Resistor Terminals, DC Link, Line Supply

Required Connection
Protective Earth to Reference Ground

X17 Terminal Strip
Double Connection

Relative Humidity Tolerance
Not More than 90%

Surface Condensation
None During Operation

Max Installation Elevation
1,000m above sea level

Fastening
Fastening Screws Required

Voltage Danger Post-Switch Off
Up to 5 minutes

Starting Lockout Mechanism
Included

Motor Connection Terminals
3

Design Code
1

Parameterization Method
User Panel or RDwin PC User Interface

Monitor Mode
Supports Several Key Functions

Incorrect Pulse Frequency Result
Motor Damage

User Panel Features
Copy Function for Saving Parameter Sets

Shipping
Worldwide

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the RD51.1-4B-007-L-DF-FW.
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