VT-2000-S-48/E2 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT-2000-S-48/E2 is a proportional amplifier from the VT 2000 Proportional Amplifiers series. It operates at 24 VDC with a maximum solenoid current of 800 mA and a fuse rating of 2.5 A T. The amplifier features a 32-pin male, DIN 41612 form D connector and measures 100 by 160 mm.
Internal Product Review
The VT-2000-S-48/E2 is a Bosch Rexroth proportional amplifier built for precise electrohydraulic control with 24 VDC operation and maximum solenoid current up to 800 mA. Stable performance is supported by a regulated output of ±9 V ±1% and low power consumption of less than 25 VA. A 32-pin DIN 41612 form D connector adds straightforward integration, making this amplifier a strong choice for dependable proportional control.
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Product Description:
The VT-2000-S-48/E2 is a plug-in proportional amplifier card manufactured by Bosch Rexroth Indramat for the VT 2000 Proportional Amplifiers series. Installed in a modular rack, the card conditions low-level command signals and delivers controlled current to hydraulic valve solenoids so that flow or pressure can be varied electronically in industrial automation loops. The electronics dissipate heat passively, eliminating the need for an active cooling device on the card.
The card follows Eurocard mechanics with overall dimensions of 100 × 160 mm; its aluminum front panel rises 128.4 mm above the rack face, and the assembly weighs 0.1 kg, so cabinet loading is minimal. A rear-edge 32-pin male DIN 41612 form D connector carries power, commands, and feedback signals. The supply rail operates at 24 VDC, while internal monitors trigger a shutdown if the voltage falls to the 22 V undervoltage limit. For field coils with a cold resistance of 19.5 Ω at 20 °C, the card can regulate up to 800 mA of solenoid current to prevent coil overheating. Output current is measured at 1 mV per 1 mA through the dedicated current socket, and a regulated ±25 mA service loop feeds external indicators. Command feedback uses a +6 V full-scale reference connected to the separate command socket. Power consumption remains below 25 VA during operation.
Transient protection activates at 35 V to guard the electronics against supply spikes, while the normal operating current remains below 1 A. A front-mounted glass fuse rated at 2.5 A T opens during an overcurrent condition. The command socket interprets +6 V as 100% drive, allowing a PLC to send precise valve-position commands without additional scaling. Internal reference rails remain at ±9 V ±1% for stable analog processing, and the high-impedance Input 2 channel presents 100 kΩ so that connected sensor sources are not excessively loaded.
