RC6-9/20 Bosch Rexroth Indramat
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MPN: R902076150
The Bosch Rexroth Indramat RC6-9/20 is part of the BODAS Controllers series and uses a C167CS microcontroller with a clock frequency of 40 MHz. It features 4 analog current inputs, 8 analog voltage inputs, 5 frequency inputs, and 2 CAN ports. The controller has a max load current of 18 Amps and max dissipation of 8.25 Watts.
Internal Product Review
The RC6-9/20 from Bosch Rexroth Indramat's BODAS Controllers series delivers reliable control with a C167CS microcontroller and a 40 MHz clock frequency. Offering 8 analog voltage inputs and 4 analog current inputs, this unit supports versatile sensor integration. Its dual CAN ports and 512 kB flash EPROM highlight strong connectivity and memory capacity for demanding mobile applications.
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Product Description:
The RC6-9/20 is an electronic control unit produced by Bosch Rexroth Indramat for the BODAS Controllers series. It coordinates hydraulic valves, pumps, and auxiliary drives by reading multiple sensor signals and issuing pulse-width-modulated or current-controlled outputs. Intended for harsh mobile and factory environments, the module delivers deterministic task execution so that vehicle motion, steering, or implement functions follow the programmed strategy. Application code is loaded through the service port and stored internally for autonomous operation.
At the core of the unit is a C167CS 16-bit microcontroller running at a clock frequency of 40 MHz. Program code and calibration data reside in 512 kB of flash EPROM, while dynamic calculations use 256 kB of RAM. Additional EEPROM stores nonvolatile parameters so operating settings remain available after power cycles. Electrical efficiency is supported by a maximum power dissipation of 8.25 W, and under idle conditions the controller draws only 400 mA. The output stages can supply up to 18 A of total load current, so proportional valves and relay coils can be driven directly. Five frequency inputs capture tachometer or pulse trains, and internal diagnostics supervise sensor supply stability at 5 V ± 0.1 V.
Field devices connect through 4 analog current channels and 8 analog voltage channels, each sampled through 12-bit converters. Network communication is handled by 2 CAN ports that can be configured for separate baud rates, while a single diagnostic interface is provided by 1 RS-232 port. This mix of I/O allows the controller to combine networked coordination with direct sensor and actuator handling in the same module. Persistent configuration settings are retained in the 8 kB EEPROM when power is removed, and the regulated 5 V sensor output provides consistent reference levels for ratiometric devices.
