Emerson 2400S Instalační manuál stáhnout pdf (Strana 17)

Installation Manual 13

I/O Wiring – Model 2400S Analog Transmitters

Power Supply I/O Wiring – DP and DNI/O Wiring – ANBefore You Begin

Figure 3-1 Basic mA output wiring – Internal power

Figure 3-2 HART/analog single-loop wiring – Internal power

820 Ohm maximum

loop resistance

–

HART-compatible

host or controller

For analog communications:

• 820 Ohm maximum loop

resistance

For HART communications:

• 600 Ohm maximum loop

resistance

• 250 Ohm minimum loop

resistance

–

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 43 44

Žádné komentáře

Emerson 2400S Instalační manuál Strana 17