109-0852-4B01-07 Bosch Rexroth Indramat
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The Bosch Rexroth Indramat 109-0852-4B01-07 is part of the VT-UK2 Universal Cards series and operates with a data rate of up to 4 MBaud. It features 6 digital inputs, two FSMA fiber ports, and supports a 24 VDC external supply with a supply current of 100 mA. The card is equipped with a 9-pin screw clamp input connector and can handle a maximum link damping of 12.5 dB.
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Product Description:
The 109-0852-4B01-07 is an interface module manufactured by Bosch Rexroth Indramat for the VT-UK2 Universal Cards series. The card mounts inside a controller rack and converts electrical logic signals into duplex fiber-optic signals, allowing decentralized valve drivers or sensor nodes to communicate without interference from electrical noise. A wired connection carries local signals, while the optical channel provides communication over longer distances. By isolating and conditioning high-speed data streams, the module supports deterministic data exchanges in industrial automation networks where resistance to electromagnetic interference is critical.
The optical channel on the VT-UK2 board operates at a default data rate of 2 Mbaud and can be switched to 4 Mbaud when shorter runs or higher-grade fiber are available. Two fiber strands terminate on two FSMA connectors, supporting multimode glass fiber with a spectral bandwidth of 30 nm around the transmitter peak. The transmitter launches up to 1,000 µW of optical power, while the receiver produces a logic-high output when incident power remains between 10 µW and 320 µW. These power limits support up to 12.5 dB of link loss caused by splices, bends, and aging. The available optical margin helps the card maintain consistent data transmission across machinery cells that extend over several hundred meters.
The module receives 24 VDC through the backplane and draws a steady 100 mA during operation. Six optically isolated digital inputs accept field contacts, providing electrical separation between connected equipment and the module’s internal logic circuits. A logic-high input is recognized when the terminal voltage exceeds 16 VDC, while electrical noise is rejected when the signal remains below 5.5 VDC. Inputs E1 through E3 and E6 have 1 nF of capacitance, whereas the faster E4 and E5 inputs are limited to 22 pF to preserve steep signal edges. Field wiring terminates on a 9-pin screw-clamp connector that accepts pluggable terminal blocks and provides convenient access to individual conductors.
Frequently Asked Questions about 109-0852-4B01-07:
Q: What is the default data rate of the VT-UK2 109-0852-4B01-07 universal card?
A: The VT-UK2 109-0852-4B01-07 supports a default data rate of 2 MBaud for standard communication.
Q: How many digital inputs does the 109-0852-4B01-07 provide?
A: There are 6 digital inputs available on the 109-0852-4B01-07 card.
Q: How many fiber ports are included with the 109-0852-4B01-07 card?
A: This model features 2 FSMA fiber ports for optical data transmission.
Q: What is the required external supply voltage for the VT-UK2 109-0852-4B01-07?
A: The external supply voltage required for this unit is 24 VDC.
Q: What type of input connector does the 109-0852-4B01-07 universal card use?
A: The input connector on the 109-0852-4B01-07 is a 9-pin screw clamp type.
