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--- en-us_products:mpaino_8a8r [2026/09/17 12:16] – external edit 127.0.0.1
+++ en-us_products:mpaino_8a8r [2026/10/25 08:42] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== MPAINO-8A8R ======
-MPAINO Series is an assembled industrial Arduino combining a CPU module with digital input and output modules. \\
+The MPAINO Series comprises modular industrial Arduino controllers assembled from a CPU module and digital input and output modules. \\
 Analog input/output, temperature sensor input, and high-speed pulse output modules can be added as options. \\
 The selected I/O and optional modules are assembled and shipped as one product. Users cannot add or remove modules.
@@ Line 34: / Line 34: @@
 |  Power  |  -  |  Supply voltage  | DC 12~24V \\ For DC 24V, a power supply rated 0.5A or more is recommended  |
 |  Digital inputs  |  8 points \\ (Isolated)  |  D0~D3 / COM0 \\ D4~D7 / COM1  | operating input voltage: DC 0~40V \\ HIGH detection voltage: DC 5V or higher \\ 4 points/1COM \\ NPN/PNP input support  |
-|  Relay outputs  |  8 points \\ (Isolated dry contacts)  |  D64~D67 / COM2 \\ D68~D71 / COM3  | connection voltage: DC 0~30V or AC 0~250V \\ maximum allowable current: 5A/1 points, 8A/1COM \\ 4 points/1COM  |
+|  Relay outputs  |  8 points \\ (Isolated dry contacts)  |  D64~D67 / COM2 \\ D68~D71 / COM3  | connection voltage: DC 0~30V or AC 0~250V \\ maximum allowable current: 5A/1 point, 8A/1COM \\ 4 points/1COM  |
 |  High-Speed Inputs / Interrupts  |  2 points \\ (Isolated)  |  D0(INT0), D1(INT1) / COM0  | Max. 8kHz \\ Shared with digital inputs  |
 | ::: |  2 points \\ (Non-isolated)  |  SDA(D20·INT2), SCL(D21·INT3)  | Max. 50kHz \\ Built-in 4.7kΩ pull-up \\ Shared with I²C communication  |
@@ Line 193: / Line 193: @@
 ^ Item ^ Rating ^
 | Connection voltage | DC 0~30V or AC 0~250V |
-| Maximum allowable current | 5A/1 points |
+| Maximum allowable current | 5A/1 point |
 | Maximum allowable current per COM | 8A/1COM |
@@ Line 472: / Line 472: @@
 **Related built-in functions**
-=== Function example · LS Industrial Systems Cnet SLave: ICnetMem(), ICnetAdr(), ICnetInit(), ICnet() ===
+=== Function example · LS Industrial Systems Cnet Slave: ICnetMem(), ICnetAdr(), ICnetInit(), ICnet() ===
 **Function details:** [[en-us_commands:reference:icnetmem|ICnetMem()]] · [[en-us_commands:reference:icnetadr|ICnetAdr()]] · [[en-us_commands:reference:icnetinit|ICnetInit()]] · [[en-us_commands:reference:icnet|ICnet()]]
@@ Line 924: / Line 924: @@
 Control the CPU module STATUS LED with D128.
+You can use the CPU module's STATUS LED to show activity in your program. This LED is on the CPU module and is not an external load output.
+First set ''pinMode(LED_BUILTIN, OUTPUT)''. Then use ''digitalWrite(LED_BUILTIN, HIGH)'' to turn the LED on and ''digitalWrite(LED_BUILTIN, LOW)'' to turn it off.
+==== Example · STATUS LED blink ====
+This example turns the CPU module's STATUS LED on and off every 500 ms.
+<code cpp>
+void setup() {
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+void loop() {
+  digitalWrite(LED_BUILTIN, HIGH);
+  delay(500);
+  digitalWrite(LED_BUILTIN, LOW);
+  delay(500);
+}
+</code>
 ==== Example program · status LED ====
 Display the input 0 state on the CPU module STATUS LED (LED_BUILTIN, logical number 128).
+**Output setup:** To use the input-state example below, add ''pinMode(LED_BUILTIN, OUTPUT);'' inside its ''setup()'' function.
 <code cpp>