RMC12.2-2E-1A Bosch Rexroth Indramat
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MPN: R911280944
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The Bosch Rexroth Indramat RMC12.2-2E-1A is part of the RECO Drive Modules series. It features two input channels and one output channel, each with potential-isolated channel isolation. The module supports a maximum input current of ±20 mA and maximum input voltage of ±10 V, with overall dimensions of 41.3 x 214 x 81 mm and an IP20 protection category.
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Product Description:
The RMC12.2-2E-1A is an analog I/O module produced by Bosch Rexroth Indramat for the RECO Drive Modules series. Installed on a RECO backplane, it conditions low-level process signals so drive controllers or higher-level PLCs can read sensor data and send proportional commands. In industrial automation, the module converts field-side voltages, currents, and temperature probe signals into synchronized digital words that can be exchanged across the INTERBUS network in real time.
This module provides 2 input channels that are isolated from the logic supply and from each other, plus 1 output channel with the same separation. Channel isolation relies on optocoupler isolation, which helps block ground loops between field wiring and the bus. Signal conversion occurs in step with INTERBUS cycle synchronization, which helps prevent timing skew between modules on the ring. The bipolar inputs support an input range of ±10 V or a current range of ±20 mA. Two onboard shunt networks provide 20 kΩ impedance for external voltage sources and 2 kΩ for the internal current source. The output circuitry can source or sink up to ±10 V for remote analog devices, and the electronics are enclosed in an IP20 housing intended for cabinet mounting where finger protection is sufficient.
Temperature measurement is supported through a DIN Pt100 path that covers -100 °C to 850 °C, allowing the same card to monitor very low and very high process temperatures without changing ranges. The module measures 41.3 mm in width, 214 mm in height, and 81 mm in depth, so it can share rack space with other RECO modules while still leaving room for plug-in screw terminals. Input, output, and bus isolation are maintained across the module, which helps it operate reliably when connected sensors and controlled devices sit at different common potentials.
Frequently Asked Questions about RMC12.2-2E-1A:
Q: How many input channels are available on the RMC12.2-2E-1A drive module?
A: The RMC12.2-2E-1A supports two potential-isolated input channels for signal acquisition.
Q: What is the maximum input voltage supported by the RMC12.2-2E-1A?
A: The maximum input voltage for this module is ±10 V.
Q: What is the output voltage rating for the RMC12.2-2E-1A module?
A: Output voltage on the RMC12.2-2E-1A is rated at ±10 V.
Q: How is channel isolation implemented in the RMC12.2-2E-1A module?
A: Channel isolation for both input and output is potential-isolated, ensuring electrical separation between circuits.
Q: What method does the RMC12.2-2E-1A use for bus isolation?
A: The bus isolation on the RMC12.2-2E-1A is accomplished via an optic coupler.
