CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW Bosch Rexroth Indramat
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MPN: R911336609
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The Bosch Rexroth Indramat CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW is part of the CDB Control Units series and supports PROFIBUS control communication with a maximum baud rate of 12 MBaud. It features two ENS encoder interfaces, a MEM encoder emulation with a frequency of 1 MHz, and includes Safe Motion safety technology. This unit has a base power consumption of 9 watts and supports a digital output current of 500 mA.
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Product Description:
Bosch Rexroth Indramat’s CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW is a control section from the CDB Control Units series. Installed in IndraDrive modular drive stacks, the unit functions as the central logic layer that links power inverters with higher-level PLCs. It manages axis commands, evaluates encoder feedback, and passes status data to field controllers, making it a core component for positioning, speed regulation, and coordinated multi-axis motion in industrial automation lines.
The control section draws a base load of 9 W, so cabinet thermal planning can be performed with minimal reserve capacity. Fieldbus exchange is handled on the PROFIBUS interface, which supports a maximum rate of 12 MBaud for deterministic telegram traffic between the drive and the master controller. When the unit powers up, a typical inrush surge of 6 A is present and can reach its peak for as long as 60 ms; upstream protection devices must be sized for this transient. Additional channels include an RS-232 service port rated at 115 kBaud over 15 m and TTL inputs that accept command edges up to 400 kHz for high-speed probe or latch operations. Two ENS encoder interfaces are fitted for absolute feedback devices, and the MEM option enables on-board encoder signal emulation over 40 m for diagnostics or legacy controller linkage.
The logic outputs can source up to 500 mA, allowing direct actuation of status lamps or relay coils without auxiliary amplifiers. Encoder emulation is clocked internally at 1 MHz, so interpolation remains accurate even at top motor speeds. The TTL capture channel accommodates pulse streams up to 400 kHz, ensuring that high-resolution incremental encoders are recorded without loss. Integrated Safe Motion technology supervises velocity and position, enabling certified safety functions such as Safe Stop and Safe Limited Speed when paired with suitable sensors. An 11.6 V, 500 mA supply on each ENS port powers external encoders, reducing wiring complexity and keeping feedback loops electrically isolated from auxiliary supplies.
Frequently Asked Questions about CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW:
Q: What control communication protocol does the CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW use?
A: The CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW features PROFIBUS as its primary control communication interface.
Q: What is the maximum PROFIBUS baud rate supported by this control unit?
A: This control unit supports a PROFIBUS baud rate of up to 12 MBaud, ensuring high-speed data transfer.
Q: What is the maximum digital output current of the CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW?
A: The digital output current rating for the CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW is 500 mA.
Q: How many encoder interfaces are included on this control unit?
A: This model provides two ENS encoder interfaces for advanced feedback connectivity.
Q: What safety technology is integrated into this CDB control unit?
A: Safe Motion safety technology is included in the CDB01.1C-PB-ENS-ENS-NNN-MEM-S2-S-NN-FW for enhanced operational safety.
