Servo amplifier card (used and working).
VT1600S3X by Rexroth, Indramat, Bosch in the VT1600 Series. The VT1600 Servo Amplifier Card are used to control servo valves without LVDT feedback, typically for closed loop applications. This VT1600S3X comes Factory Assigned, Power Supply Current of < 200 mA, and a Internal Control Voltage of 14 to +/- 10V. Other features include a Output Current of +/- 60 mA, +/- 100 mA and a Ambient Temperature Range of 34 to 122 F (0 to 50 C).