Perle Systems DS1, TS2 Relay Output

I/O Wiring Diagrams 220
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 A2s A2+ A2-
A3+ A3- A3s A4s A4+ A4-
return
excite
sense
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 A2s A2+ A2-
A3+ A3- A3s A4s A4+ A4-
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 A2s A2+ A2-
A3+ A3- A3s A4s A4+ A4-
return
excite
sense
Relay Output
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 NO COM NC
R1
R2