VT-VSPA1-1-1X-002-60SEC Bosch Rexroth Indramat
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MPN: R900934744
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The Bosch Rexroth Indramat VT-VSPA1-1-1X-002-60SEC belongs to the VT-VSPA Proportional Amplifiers series and operates at 24 VDC, with an upper voltage limit of 35 VDC and a lower limit of 22 VDC. It has a maximum output current of 1600 mA and a power consumption of 50 VA. The unit features a Euro-card 100 x 160 mm format and connects via a 32-pin DIN 41612 Form D connector.
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Product Description:
The VT-VSPA1-1-1X-002-60SEC proportional amplifier card belongs to the VT-VSPA Proportional Amplifiers series from Bosch Rexroth Indramat. Installed in a valve control rack, the board converts low-level command voltages into load-capable currents that drive proportional hydraulic valves, letting a PLC or analog controller set spool position with repeatable accuracy. By combining signal conditioning, current control, and power-stage protection on one plug-in module, it simplifies cabinet wiring and supports stable hydraulic valve operation in presses, plastic machines, and mobile test stands. This arrangement lets the rack handle command processing and coil drive on the same card, which helps keep valve response consistent during repeated machine cycles.
Physically, the board follows the Euro-card 100 x 160 mm format and slides into a backplane through a 32-pin DIN 41612 Form D connector, so power, command, and feedback lines engage when the card is seated. The supply rail is nominally 24 VDC; the amplifier accepts 22 VDC to 35 VDC, but operation outside that range disables the regulated stages and stops normal output control. A replaceable 2.5 A T fuse on the front edge disconnects the supply during overcurrent events. Under rated conditions, the electronics draw 1.8 A for a thermal load of about 50 VA, which helps with power-supply loading and ventilation planning inside the cabinet.
Its internal DC-DC section generates a stabilized ±9 V reference for the two summing inputs, allowing separate 9 V and 10 V command channels to be trimmed without interaction. That stable internal reference also supports predictable offset and gain adjustment when separate command paths are used. The closed-loop current driver can deliver up to 1600 mA to the valve coil, giving full stroke authority while remaining below the fuse threshold during normal operation. The module supports continuous duty from 0 °C to 50 °C, and during shutdown it can withstand temperatures from -25 °C to 85 °C, which suits storage in unconditioned facilities and operation through seasonal temperature changes.
Frequently Asked Questions about VT-VSPA1-1-1X-002-60SEC:
Q: What operating voltage does the VT-VSPA1-1-1X-002-60SEC amplifier require?
A: The VT-VSPA1-1-1X-002-60SEC requires a 24 VDC operating voltage to function properly.
Q: What is the maximum output current supported by the VT-VSPA1-1-1X-002-60SEC?
A: This amplifier is designed to handle a maximum output current of 1600 mA.
Q: What is the card format size of the VT-VSPA1-1-1X-002-60SEC?
A: The VT-VSPA1-1-1X-002-60SEC features a Euro-card format of 100 x 160 mm for easy installation in compatible racks.
Q: What type of connection interface does the VT-VSPA1-1-1X-002-60SEC use?
A: It connects using a 32-pin DIN 41612 Form D connector type.
Q: What is the fuse rating for the VT-VSPA1-1-1X-002-60SEC amplifier?
A: The fuse rating specified for the VT-VSPA1-1-1X-002-60SEC is 2.5 A T.
