R-IB IL AI 8/SF-PAC Bosch Rexroth Indramat
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MPN: R911308493
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The Bosch Rexroth Indramat R-IB IL AI 8/SF-PAC is part of the R-IB Interface Modules series. It features 8 analog inputs, a 16-bit A/D resolution, and a maximum conversion time of 10 microseconds. The module operates with an analog supply voltage of 24 V DC, draws up to 35 mA analog supply current, and has a protection rating of IP20.
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Product Description:
The R-IB IL AI 8/SF-PAC is an analog input interface module manufactured by Bosch Rexroth Indramat within the R-IB Interface Modules series. Designed for use in distributed I/O stations, it converts field-level sensor current into digital data that a controller can process for monitoring and control tasks. By grouping multiple differential measurement channels in one compact slice, the module helps reduce panel space while supporting organized signal acquisition in industrial automation. It communicates through the local bus of the station and uses the backplane power available through the terminal assembly.
The module provides 8 analog inputs for current-based measurement signals and processes them with 16-bit resolution for fine signal detail. Its converter has a maximum 10 µs conversion time, which supports rapid updates when process values change quickly. Signal conditioning includes an analog antialias filter with a 3.5 kHz filter cutoff, which reduces unwanted high-frequency content before the signal is digitized. The analog circuitry is powered by a 24 V DC analog supply, and the current input resistance of 25 Ω is suitable for common 4 to 20 mA transmitters. Measured values are transferred to the control system as 32-bit process data words during normal bus operation.
On the communication side, the slice operates with a 500 kbaud local bus speed and requires no more than 55 mA local bus draw, which helps preserve backplane capacity when several modules are installed together. Internal electronics run from a 7.5 V DC rail derived from the bus, while field wiring uses a 2-wire connection that keeps transmitter hookup straightforward. The housing has an IP20 protection rating, so it is intended for installation inside enclosed control cabinets where basic protection against accidental contact is sufficient. This arrangement makes the module suitable for current-signal acquisition in compact automation stations that rely on modular inline I/O.
