diff --git a/content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md b/content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md index e369e65839..f2d19330a7 100644 --- a/content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md +++ b/content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md @@ -2210,6 +2210,20 @@ The Opta™ Expansions have **8 relay outputs** accessible through terminals pai ![Opta Digital Expansions outputs](assets/variants-emr-ssr-new.png) +Relay Output terminals are mapped as described in the following table: + +| **Opta Digital Expansion Terminal** | **Arduino Pin Mapping** | +| :---------------------------------: | :---------------------: | +| Relay 1 | 0 | +| Relay 2 | 1 | +| Relay 3 | 2 | +| Relay 4 | 3 | +| Relay 5 | 4 | +| Relay 6 | 5 | +| Relay 7 | 6 | +| Relay 8 | 7 | + + The **Ext D1608E (EMR)** variant features 8 electromechanical relays with the following characteristics: