Power Specifications for the MD20 and MD30 Smart Switches

Specifications

The following table provides power specifications for the DeltaV MD20 and MD30 base Smart Switches. The base switches provide power to the media modules.

Table: Power Specifications for the DeltaV MD Base Smart Switches
Item	Specification
Input voltage	+18 to +32 VDC
Mounting	Vertically on a horizontal DIN rail.

Images

Figure: Bottom View of the MD20 and MD30 Smart Base Switch

A detachable screw terminal block, shown in the preceding image, is used to supply the required power to the MD base Smart Switches.
A ground screw on the left side of the MD switch’s mounting chassis, shown in the following figure, connects to an instrumentation ground to provide a shield ground for the switch and device communication cables.

Figure: Ground Connection for the DeltaV MD Smart Switches