Siemens IGWIPS200-1 User Manual download pdf (Page 20)

IGWiPS200-1

Transceiver Wiring Examples

Five transceiver wiring examples are provided below. Figures 6, 7, and 8 show typical transceiver wiring for 2-wire,

3-wire, and 4-wire current loops. Figures 9 and 10 show two variations on the wiring for a loop powered external

analog device. Also shown in Figures 9 and 10 is the wiring for an RF Link annunciator, which can be an input to a

PLC or controller or a separate light or siren. A digital output wiring example is provided in Figure 9.

The transceiver is DC-powered, typically by a DIN rail mount power supply, as shown below. The power supply for

the transceiver also powers the connected I/O modules. Power is supplied through the transceiver and across the

common current bus as shown in Figure 2 on page 10.

Figure 6 Transceiver Wiring, 4-20 mA Current Loop with 2-Wire Device

May 2007

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Siemens IGWIPS200-1 User Manual Page 20