How to make proper connections to the DS150i relays.


What is the relay wiring color configuration when in A or B mode?
With the jumper in the A (fail safe) mode the relays are as follows:
  • 1st Relay: Yellow wire is Common (C) Blue wire is Normally Closed (NC) Violet wire is Normally Open (NO)

  • Second Relay: Grey wire is Common (C) Orange wire is Normally Closed (NC) Green wire is Normally Open (NO)

With the jumper in the B setting (fail secure) the relays are as follows:
  • 1st Relay: Yellow wire is Common (C) Blue wire is Normally Open (NO) Violet wire is Normally Closed (NC)

  • Second Relay: Grey wire is Common (C) Orange wire is Normally Open (NO) Green wire is Normally Closed (NC)