Perle Systems TS2, DS1 Relay Output, RTD 2-Wire, RTD 3-Wire, RTD 4-Wire, Normally Open Contact

Wiring I/O Diagrams

RTD 2-Wire

In a 2-wire RTD configuration, connect the excite wire to A1-, the return wire to A1+, and jumper the sense wire from A1s with a insulated wire going to A1+.

	A1+	A1-		A1s	A2+ A2- A2s	A3+ A3-	A3s	A4+ A4- A4s
return					sense
			excite

RTD 3-Wire

In a 3-wire RTD configuration, connect the return wire to A1+, the excite wire to A1-, and the sense wire to A1s.

A1+ A1- A1s A2+ A2- A2s

A3+ A3- A3s A4+ A4- A4s

return

excite

sense

RTD 4-Wire

In a 4-wire RTD configuration, connect the return wire to A1+, the excite wire to A1-, the sense wire to A1s, and leave the fourth wire disconnected.

A1+ A1- A1s A2+ A2- A2s

A3+ A3- A3s A4+ A4- A4s

return

Relay Output

excite

sense

Normally Open Contact

To connect Relay channel R1 for a circuit that is normally inactive, connect one wire to the COM (common) connector and one wire to the NO (normally open) connector.

COM NC NO COM NC NO

R1

R2

I/O Wiring Diagrams 220