Emerson 2400S Manual de instalación descargar pdf (Pagina 26)

22 Micro Motion

Model 2400S Transmitters

I/O Wiring – Model 2400S PROFIBUS-DP and DeviceNet Transmitters

Figure 4-1 Model 2400S PROFIBUS-DP I/O wiring

4.3.1 Enabling internal termination

Model 2400S PROFIBUS-DP transmitters have a switch on the user interface module to enable

internal termination impedance. Refer to Figure 4-2.

Figure 4-2 Model 2400S PROFIBUS-DP internal termination impedance switch

Spur to PROFIBUS-DP segment according to the

Installation Guideline for PROFIBUS-DP/FMS

available at www.profibus.org

➯

COM A (green) COM B (red)

Note: The Model 2400S

PROFIBUS-DP transmitter does

not have terminals for termination

wiring. An external terminator is

not required. The transmitter has

an internal terminator. There is a

switch on the user interface for

enabling internal termination. See

Section 4.3.1.

Switch to enable

internal termination

impedance

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Emerson 2400S Manual de instalación Pagina 26