VAM21.1-S3-NA-NN-TB-TA-VD-G1 Bosch Rexroth Indramat
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MPN: R911381440
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The Bosch Rexroth Indramat VAM21.1-S3-NA-NN-TB-TA-VD-G1 is part of the VAM Machine Operator Panels series and features a front panel with IP54 protection. The panel includes 16 digital inputs and 16 digital outputs at 24 V, with a maximum input/output current of 3.5 A and a 4 A fuse rating. It supports Sercos III and Ethernet 100Base-TX field bus interfaces, operates on a 24 V DC supply, and has overall dimensions of 350 mm width, 169 mm height, and 84.1 mm depth.
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Product Description:
The VAM21.1-S3-NA-NN-TB-TA-VD-G1 is an operator panel from the VAM Machine Operator Panels series produced by Bosch Rexroth Indramat. Installed on cabinet doors or machine frames, the panel provides a direct graphical and push-button interface for starting, stopping, and diagnosing automated equipment. By combining local I/O, status LEDs, and a network connection, it links human commands with the controller running the motion sequence or process recipe. This arrangement keeps essential control and status functions available at the point of use without requiring a separate local interface device.
Data exchanged with the controller travels across the panel’s Sercos III or Ethernet 100Base-TX port at a rate of 100 MBit/s, allowing deterministic updates of setpoints and status bits. The front surface carries a protection rating of IP54, so dust deposits and splashing liquids will not interrupt operation. Sixteen digital input channels accept 16 × 24 V signals that match standard PNP sensors, while an equal number of transistor outputs switch actuators at the same voltage. A surface-mounted fuse rated at 4 A guards the I/O rails against short circuits, and the module draws up to 3.5 A from the 24 V supply during peak activity. With a depth of 84.1 mm, the housing fits shallow operator consoles without interfering with internal wiring paths.
The internal electronics share the main supply, specified as 24 V DC (19.2 V to 30 V), but the logic section typically consumes only 0.3 A, leaving additional current capacity for connected field devices. Overall height is 169 mm and overall width is 350 mm, giving the panel a broad front area for display and controls. The mounting cutout must be 151 +1/-0 mm tall and 330 +1/-0 mm wide so the panel can clamp tightly against the enclosure gasket. These dimensions support flush installation on a door or frame while keeping the fit secure and consistent.
