Initial commit - Tutorial & user manual expansion limit update

Author: TaddyHC

content/hardware/07.opta/opta-family/opta/tutorials/01.user-manual/content.md

@@ -1833,6 +1833,8 @@ In the image below there is an example of the power wiring of the expansions:
 
 ***The expansions must be externally powered to be operated and detected by the Opta™ controller.***
 
+***The Opta™ controller module supports a maximum of __5 expansion modules__. Exceeding this limit may cause unexpected behavior. __Ensure no more than five modules are connected, and verify that the Aux connector and clips are securely installed__.***
+
 #### Programmable Inputs
 
 The Opta™ Expansions have **16 analog/digital programmable inputs** accessible through terminals `I1` to `I16`.
@@ -2454,6 +2456,8 @@ Here is an example of how to connect a DC load to the Opta Digital Ext D1608S (S
 
 ![SSR expansion wiring example](assets/ssr-output.png)
 
+***The Opta™ controller module can support up to 5 expansion modules. Connecting more than this may result in unexpected behavior. __Ensure the module limit is not exceeded and the Aux connector and clips are properly secured.__***
+
 You can buy and find more information about the Opta™ Digital Expansions on the links below:
 
 - [Opta™ Digital Expansion Product Page](https://docs.arduino.cc/hardware/opta-digital-ext)
@@ -2487,6 +2491,8 @@ In the image below there is an example of the power wiring of the expansions:
 
 ***The expansions must be externally powered to be operated and detected by the Opta™ controller.***
 
+***The Opta™ controller module supports a maximum of __5 expansion modules__. Exceeding this limit may cause unexpected behavior. __Ensure no more than five modules are connected, and verify that the Aux connector and clips are securely installed__.***
+
 #### Programmable Inputs
 
 The Opta™ Analog Expansion has 8x analog channels, identified with a letter, `I` or `O`, between the two connection terminals: `+` for signal and `-` as GND, common to the other `-` terminals on the board. 
@@ -4110,6 +4116,8 @@ To fully understand the example above, we recommend you to check the [General Li
 
 The function `optaAnalogTask()` turns on sequentially the **LEDs** and turns them off again.
 
+***The Opta™ controller module can support up to 5 expansion modules. Connecting more than this may result in unexpected behavior. __Ensure the module limit is not exceeded and the Aux connector and clips are properly secured.__***
+
 You can buy and find more information about the Opta™ Analog Expansions on the links below:
 
 - [Opta™ Analog Expansion Product Page](https://docs.arduino.cc/hardware/opta-analog-ext)

content/hardware/07.opta/opta-family/opta/tutorials/17.opta-expansions-plc-ide/content.md

@@ -45,7 +45,7 @@ We will create a demo application from scratch, in which we will read the voltag
 
 ### Snapping the Expansion
 
-You can connect up to five expansions to your Opta™ controller module to multiply and diversify your I/O set with seamless detection.
+You can connect up to **five expansions to your Opta™** controller module to multiply and diversify your I/O set with seamless detection.
 
 Remove the breakable plastic cover marked as AUX from the expansion port on the Opta™ controller and the expansion module to expose the ports.
 
@@ -57,6 +57,8 @@ The expansions must be powered externally in order to be detected and properly w
 
 ![Powering the expansions](assets/power-expansion.png)
 
+***The Opta™ controller module supports a maximum of __5 expansion modules__. Exceeding this limit may cause unexpected behavior. __Ensure no more than five modules are connected, and verify that the Aux connector and clips are securely installed__.***
+
 ### Update Expansion Firmware
 
 ![Expansion Firmware Update](assets/fw-up-d.png)