Vaisala DRYCAP DMT143 Uživatelská příručka stáhnout pdf (Strana 15)

Chapter 2 ___________________________________________________________ Product Overview

VAISALA ________________________________________________________________________ 13

Loop-Powered Display

DMT143 can be connected to a loop-powered external LED display. The

display provides a reading of the output parameter. The display is

external power supply.

Two models are available:

- Nokeval 301

- Nokeval 302 (with alarm relays)

The display is delivered at its default settings. Configure the display

functions and scaling according to the documentation delivered with the

display. For a wiring example, see Nokeval 301/302 Display Wiring

Diagram (document code M211634EN). For the order codes of the

displays, see section Spare Parts and Accessories on page 72.

1102-053

Figure 3 Nokeval 301 Loop-Powered Display

NOTE

The loop resistance of the display must be included in the loop resistance

calculation for the complet

e current loop. For the loop resistance of the

display, refer to the manufacturer’s documentation.

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Vaisala DRYCAP DMT143 Uživatelská příručka Strana 15