Contemporary-control-systems BASremote Installation Guide Uživatelský manuál stáhnout pdf (Strana 17)

TD040300-0II

as that loop supply has a common connection with the BAS Remote.

The less positive connection is made to point A on the input.

Figure 14 — Analog Input Connections

Care should be exercised when connecting to a three-wire current

transmitter. These are usually non-isolated devices between the power

source and signal output. The BAS Remote will sink current from its

input to ground so the transmitter must source current from a positive

potential to ground. If the three-wire transmitter works in this manner,

it can be accommodated.

Four-wire transmitters usually have isolation between power supply and

signal output so their output stage can usually be treated as a two-wire

transmitter.

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Contemporary-control-systems BASremote Installation Guide Uživatelský manuál Strana 17