VT1610-S-31 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat VT1610-S-31 is part of the VT 1600 Servo Amplifiers series, featuring a 32-pole connector and meeting DIN 41612 Form D standards. The amplifier offers an output current of ±60 mA and a voltage regulator of ±15 V, with a coil resistance of 2000 Ohms.
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Product Description:
The VT1610-S-31 is an amplifier card manufactured by Bosch Rexroth Indramat for the VT 1600 Servo Amplifiers series. Installed in the control cabinet of automated machinery, the card translates voltage references from a PLC into a precisely modulated coil current that drives proportional hydraulic or pneumatic valves. This link between low-power command circuitry and power actuators allows repeatable position, velocity, or pressure control so that conveyors, presses, and material-handling axes follow setpoints with minimal lag.
The electrical section provides a symmetrical output of ±60 mA, giving the valve coil enough current swing for full meter-in and meter-out control. A pair of onboard regulators hold the analog rails at ±15 V, so the card remains insensitive to moderate supply variations while still drawing less than 200 mA from the backplane. To keep the spool mobile at null, the card injects a dither signal that reaches 3 mAss at a center frequency of 340 Hz; this combination reduces hysteresis and improves small-step resolution. An ammeter printed on the front scale shows coil current across ±30 divisions, allowing current to be checked without external instruments.
Field integration is carried out through a 32-pole edge connector built to the DIN 41612 Form D pattern, enabling quick removal from a Eurocard rack. The drive stage is matched to valve coils with a resistance around 2000 Ω, preventing saturation while still giving the required dynamic force. A plug-in relay on the board updates its enable line within 1 ms, so emergency stop chains can de-energize the valve almost instantly. Physical layout follows standard Eurocard clearances, leaving 7 divisions of space on the component side and 1 division on the conductor side, keeping adjacent modules accessible and aiding airflow.
Frequently Asked Questions about VT1610-S-31:
Q: What type of connector does the VT1610-S-31 servo amplifier use?
A: The VT1610-S-31 servo amplifier uses a 32-pole connector conforming to DIN 41612 Form D standards.
Q: What is the maximum output current provided by the VT1610-S-31?
A: This model supports an output current of ±60 mA, enabling precise current control for connected devices.
Q: What is the operating voltage of the VT1610-S-31's voltage regulator?
A: The voltage regulator in the VT1610-S-31 operates at ±15 V to ensure stable performance of the amplifier's circuits.
Q: What is the dither frequency used in the VT1610-S-31 servo amplifier?
A: The dither frequency for this servo amplifier is set at 340 Hz, which helps maintain consistent actuator movement.
Q: How much current does the VT1610-S-31 servo amplifier require during operation?
A: This model requires less than 200 mA current, contributing to its energy-efficient operation.
