RHO4.1/IPC300 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat RHO4.1/IPC300 is part of the VPB IndraControl PC Units series and features a 19 inch, 3U rack format with a housing size of 448 x 132 x 256 mm. It operates continuously 24 hours a day and supports Microsoft Windows NT 4.0 with a maximum RAM of 128 MB. The unit is equipped with 2 PCI and 1 PCI/ISA expansion slots and comes with interfaces including Ethernet 10Base-T, RS-232, and RS-485/422.
Internal Product Review
The RHO4.1/IPC300 is an industrial PC unit designed for continuous 24 h/day operation with IP00 protection. The 2 PCI + 1 PCI/ISA expansion arrangement and 10Base-T Ethernet make integration straightforward in established machine-control environments. A strong fit for facilities that value stable operation and practical expansion flexibility.
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Product Description:
The RHO4.1/IPC300 industrial computer is built by Bosch Rexroth Indramat and belongs to the VPB IndraControl PC Units series. Within an automation cell, it can replace proprietary controllers by providing a standard PC platform for industrial control functions. It hosts motion logic, visualization software, and fieldbus gateways so drives, I/O racks, and operator panels can be coordinated from a single rack-mounted device.
The PhoenixBIOS system layer initializes the motherboard and allows the PLC boot sequence to proceed without user intervention. Main memory is expandable up to 128 MB, providing capacity for HMI graphics and diagnostic logs generated during complex machining cycles. The preinstalled operating environment is Microsoft Windows NT 4.0, which provides 32-bit multitasking while supporting the real-time extensions offered by the IndraControl toolchain. For plant networking, an onboard Ethernet port supports 10Base-T communication, allowing the computer to exchange recipes and status packets with higher-level MES servers over standard twisted-pair cabling. Local expansion is provided by two PCI slots and one PCI/ISA slot, allowing the installation of motion cards, additional fieldbus masters, or dedicated image-processing boards without modification to the base chassis.
The enclosure has a 19-inch, 3U format, allowing direct installation in industry-standard server racks beside inverters and power supplies. Front-panel connector X11 supplies an attached display with 24 VDC, which simplifies panel wiring and reduces the number of transformers required inside the cabinet. The computer is rated for continuous operation 24 hours per day, allowing it to remain energized throughout multiple production shifts without a periodic cooldown. Its IP00 housing requires installation inside a protected electrical enclosure to prevent contact with energized parts and shield the electronics from airborne oil mist or metal chips.
