Can 4 to 20 mA input signals be used with Setra Room Monitors?

The 4 to 20 mA signal cannot be inserted directly into the product inputs. The SRCM and FLEX can only accept a voltage input. Using the 4 to 20 mA DC signal with a 250Ω resister will develop a voltage of 1 to 5 VDC. This voltage can be fed directly into the monitor inputs.

The FLEX and SRCM Operating Instructions provide more information:

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