Product Description

The VT-VSPA1-2-1X-V0-A4 is an analog valve amplifier from Bosch Rexroth. It supports the option for 4 command value call-ups. The amplifier controls direct operated proportional pressure valves. The VT-VSPA1-2-1X-V0-A4 amplifier has a power supply unit with making current limiter. This unit supplies all internally required positive and negative supply voltages. Protection mechanisms supported by the analog amplifier include supply voltage reverse polarity protection and solenoid conductor short-circuit protection. The VT-VSPA1-2-1X-V0-A4 amplifier also support solenoid conductor cable break protection. The differential input on the VT-VSPA1-2-1X-V0-A4 amplifier is rated for 0 to +10 Volts. The current input on the amplifier is rated for 4 to 20 milliamps. The amplifier operates at 24 Volts DC nominal input. The supported range of input voltages is 18 to 35 Volts DC. Peak power consumption of amplifier does not exceed 24 VA.

Peak current consumption of the amplifier does not exceed 2 Amps. The clock frequency is 250 Hertz with ±10% allowed tolerance. The specifications for the amplifier outputs are as follows: 0 to +10 Volts for the command value signal, 0 to +10 Volts for the actual value signal, greater than 16 Volts for “high” ready for operation and less than 1 Volt for “low” ready for operation, +10 Volts for the regulated voltage, and 0 to 1.9 Amps for the power output stage. The interface connector on the VT-VSPA1-2-1X-V0-A4 is a 48-pin male multipoint connector. Working temperature range for the VT-VSPA1-2-1X-V0-A4 is 0 to 50 degrees Celsius. Storage temperature range for the VT-VSPA1-2-1X-V0-A4 is -25 to 85 degrees Celsius. The amplifier weight is 0.15 kilograms and the amplifier dimensions are 128 x 20 x 165 millimeters. The amplifier is available in Euro-card format.