CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW Bosch Rexroth Indramat
MPN: R911308395
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The Bosch Rexroth Indramat CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW is part of the CSH Advanced Controllers series. It features two analog outputs at 5 V with 160 kOhm input impedance, and digital outputs rated at 24 V, 0.5 A, following IEC 61131 Type 1 standard. The controller includes an RS232 serial interface, a standard operator panel, and supports encoder interfaces for MHD/MKD motors and EnDat 2.1.
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Product Description:
Bosch Rexroth Indramat manufactures the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW as a control section within the CSH Advanced Controllers series. The unit is installed in drive racks to process motion commands, condition encoder feedback, and issue reference signals to power sections that run synchronous or asynchronous motors. By combining analog channels, digital I/O, and serial communication on one card, it serves as the central coordinating element for automated machines that need deterministic positioning without adding a separate PLC. This layout lets the control section manage axis coordination while the connected power section delivers motor current.
The controller’s analog front end is designed around a high-impedance input stage of 160 kOhm, which helps prevent source loading when the board samples low-level transducer voltages. Each analog output can source up to 1 mA at a programmable range centered on 5 V, allowing direct reference injection to external drives that accept this command level. A pair of outputs, for a total of 2 channels, supports simultaneous speed and torque references or split-axis operation. Discrete signaling adheres to the IEC 61131 Type 1 standard, so on-machine sensors rated for 24 V DC can be wired without level converters.
The digital sourcing stage withstands 24 V and provides up to 0.5 A per point, enabling direct actuation of contactors or indicator lamps. For encoder feedback, the second interface accepts EnDat 2.1, 1 V pp analog sine-cosine, or 5 V TTL square-wave formats, letting the board close high-resolution position loops over a single cable. At power-up, the logic draws an inrush of 4 A, so supply sizing must allow that short surge. Command and diagnostic data can be exchanged through the integrated RS232 port when no fieldbus is fitted. The lack of dedicated safety circuitry keeps the card suited to systems that use force-guided relays or an external safety PLC for risk reduction.
Frequently Asked Questions about CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW:
Q: How many analog outputs are provided on the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW controller?
A: The CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW features two analog outputs.
Q: What is the analog output voltage level of the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW?
A: This model offers an analog output level of 5 V for each channel.
Q: What is the digital output voltage and current rating of the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW?
A: The digital outputs of this controller support up to 24 V and 0.5 A.
Q: What relay contact load can the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW handle?
A: This controller has a relay contact load capacity of 24 V DC at 1 A.
Q: What kind of operator panel is included with the CSH01.1C-NN-EN1-EN2-NNN-NN-S-NN-FW?
A: The unit comes with a standard operator panel integrated for user interaction.