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--- en-us_products:mpaino_16a32r [2026/09/14 22:39] – external edit 127.0.0.1
+++ en-us_products:mpaino_16a32r [2026/10/25 08:42] (current) – external edit 127.0.0.1
@@ Line 1: / Line 1: @@
 ====== MPAINO-16A32R ======
-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 13: / Line 13: @@
 Program the controller with Arduino IDE (Arduino C/C++) or MPINO STUDIO 2 (Arduino C/C++ & ladder logic).
+See the [[:en-us_products:mpaino#mpaino_series_specifications|MPAINO Series specifications]] for the board name and base pin numbers for MPAINO-16A32R.
 \\
@@ Line 28: / Line 33: @@
 |  Power  |  -  |  Supply voltage  | DC 12~24V \\ For DC 24V, a power supply rated 0.5A or more is recommended  |
 |  Digital inputs  |  16 points \\ (Isolated)  |  Module 0: D0~D15  | operating input voltage: DC 0~40V \\ HIGH detection voltage: DC 5V or higher \\ 8 points/1COM \\ NPN/PNP input support  |
-|  Relay outputs  |  32 points \\ (Isolated dry contacts)  |  Module 0: D64~D79 \\ Module 1: D80~D95  | connection voltage: DC 0~30V or AC 0~250V \\ maximum allowable current: 5A/1 points, 8A/1COM \\ 4 points/1COM  |
+|  Relay outputs  |  32 points \\ (Isolated dry contacts)  |  Module 0: D64~D79 \\ Module 1: D80~D95  | 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 42: / Line 47: @@
 ===== Digital inputs =====
+[[:en-us_guide:wiring#digital_input_one_channel_check|See the one-channel digital-input check before wiring for the first time. →]]
 ^ Module ^ Group ^ Terminal ^ Input Configuration ^ Terminals and Wiring Example ^
 | Module 0 | COM0 \\ COM1 | D0~D7 \\ D8~D15 | 16 isolated digital inputs \\ D0/D1 also serve as INT0/INT1 |  {{:en-us_products:mpaino-input-in16.svg?628|MPAINO-16A32R digital input terminals and NPN/PNP wiring}}  |
@@ Line 168: / Line 174: @@
 ===== Relay outputs =====
+[[:en-us_guide:wiring#relay_output_one_channel_check|See the one-channel relay-output check before wiring for the first time. →]]
 ^ Module ^ Group ^ Output terminals ^ Contact configuration ^ Terminals and Wiring Example ^
 | Module 0 | COM0~COM3 | D64~D79 | 16 relay outputs \\ 4 points/1COM |  {{:en-us_products:mpaino-output-relay16.svg?740|MPAINO-16A32R output terminals and load wiring}}  |
@@ Line 176: / Line 183: @@
 ^ 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 451: / Line 458: @@
 **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 prototype**
@@ Line 866: / Line 873: @@
 Control the CPU module STATUS LED with ''LED_BUILTIN'' (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>
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 |  [[https://www.ilogics.net/docs/_media/products:mpaino-16a32r-dimension-rear.svg|{{ :en-us_products:mpaino-16a32r-dimension-rear.svg?nolink&360 }}]]  |  |
-[[:en-us_products:mpaino|← Back to MPAINO Series comparison]]
+[[https://www.ilogics.net/en-us/products/mpaino-16a32r|View MPAINO-16A32R price and purchase options]]
+[[:en-us_products:mpaino|← Back to MPAINO Series comparison]]