B 830 303 442 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat B 830 303 442 is part of the VT-UK2 Universal Cards series and supports 1 analog control channel. It features a 19 inch rack mount design with card dimensions of 160 mm by 100 mm, and operates at a nominal supply of 24 VDC. The card includes a DIN 41612-F32 plug connector and supports a solenoid current of 2.5 A with solenoid power rated at 25 W.
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Product Description:
The B 830 303 442 is an analog control card from Bosch Rexroth Indramat that belongs to the VT-UK2 Universal Cards series. Installed in valve driver racks, the board provides one closed-loop channel. It converts command voltages into proportional solenoid current for directional or throttle valves used in industrial automation lines. This arrangement is suited to hydraulic control tasks that need stable current regulation instead of simple on-off switching.
The card body is sized at 160 mm by 100 mm, dimensions that match Eurocard mechanics and allow direct insertion into 3 HE, 7 TE front panels without extra adapters. A nominal supply of 24 VDC powers the onboard electronics and the output stage that can deliver up to 2.5 A of solenoid current, a capacity that covers most NG06 and NG10 proportional coils. Installation follows the IEC 60297 pattern for 19 in. rack frames, and signals reach the backplane through a DIN 41612-F32 connector so wiring remains fixed when the board is removed. The analog control mode relies on an external command potentiometer whose load must be at least 1 kΩ, and the onboard reference senses ramp-off at 10 VDC to support predictable shutdown behavior. That rear connector arrangement helps keep field wiring in place inside crowded control cabinets and reduces disturbance to adjacent modules.
When energized, the power stage supplies a maximum of 25 W to the valve coil, keeping temperature rise within limits for cabinet assemblies. The control loop maintains valve hysteresis below 4%, so repeated position cycles stay consistent. Dynamic response is characterized by a valve setting time of 50 ms, which suits pressure or flow regulators that operate in moderate bandwidth ranges. The reference network provides a stabilized output of +10 V / 20 mA for external potentiometers, helping command signals remain stable despite load variation or cable drop. The current and response characteristics support proportional valve operation where repeatable spool movement and steady command tracking are important.
Frequently Asked Questions about B 830 303 442:
Q: What supply voltage does the B 830 303 442 universal card need?
A: The B 830 303 442 universal card is powered by a nominal 24 VDC supply, which is required for operation.
Q: How many channels are provided on the B 830 303 442 card?
A: This model supports a single channel configuration for control tasks.
Q: What type of control mode does the B 830 303 442 support?
A: The B 830 303 442 uses an analog control mode for signal processing and actuation.
Q: What is the solenoid current capacity of the B 830 303 442?
A: This universal card can output a maximum solenoid current of 2.5 A during operation.
Q: Which plug connector type is used on the B 830 303 442 universal card?
A: A DIN 41612-F32 plug connector is used for card connection and integration.
