NORVI-EX-R16 User Guide

Table of Contents

Programming #

NORVI-EX-R16 uses MCP23017 over I2C Communication. The I2C Address of the devices can be configured with the DIP Switches in the bottom of the controller.

Relay Outputs #

Wiring Relay Outputs

NORVI EX-R16 Relay Output Wiring

Programming Relay Outputs

Writing HIGH to the relevant GPIO of MCP230008 turns ON the Transistor output.

Refer to the GPIO Allocation Table for Transistor Output GPIO

Refer to the I2C Address setting to set the I2C address of the Expansion



#include <Adafruit_MCP23X17.h>

#define OUTPUT1 0
#define OUTPUT2 1
#define OUTPUT3 2
#define OUTPUT4 3
#define OUTPUT5 12
#define OUTPUT6 13
#define OUTPUT7 14
#define OUTPUT8 15

#define OUTPUT9 7
#define OUTPUT10 6
#define OUTPUT11 5
#define OUTPUT12 4
#define OUTPUT13 8
#define OUTPUT14 9
#define OUTPUT15 10
#define OUTPUT16 11

// uncomment appropriate line
//Adafruit_MCP23X08 mcp;
Adafruit_MCP23X17 mcp;

void setup() {
  Serial.begin(115200);
  //while (!Serial);
  Serial.println("NORVO Expansions Test");

  // uncomment appropriate mcp.begin
  Wire.begin (16, 17);   
  if (!mcp.begin_I2C(0x27)) {
    Serial.println("Error.");
    while (1);
  }

  // configure pin for output
  mcp.pinMode(OUTPUT1, OUTPUT);
  mcp.pinMode(OUTPUT2, OUTPUT);
  mcp.pinMode(OUTPUT3, OUTPUT);
  mcp.pinMode(OUTPUT4, OUTPUT);
  mcp.pinMode(OUTPUT5, OUTPUT);
  mcp.pinMode(OUTPUT6, OUTPUT);
  mcp.pinMode(OUTPUT7, OUTPUT);
  mcp.pinMode(OUTPUT8, OUTPUT);

  mcp.pinMode(OUTPUT9, OUTPUT);
  mcp.pinMode(OUTPUT10, OUTPUT);
  mcp.pinMode(OUTPUT11, OUTPUT);
  mcp.pinMode(OUTPUT12, OUTPUT);
  mcp.pinMode(OUTPUT13, OUTPUT);
  mcp.pinMode(OUTPUT14, OUTPUT);
  mcp.pinMode(OUTPUT15, OUTPUT);
  mcp.pinMode(OUTPUT16, OUTPUT);

  Serial.println("Looping...");
}

void loop() {
  mcp.digitalWrite(OUTPUT1, HIGH);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, HIGH);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, HIGH);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, HIGH);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, HIGH);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, HIGH);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, HIGH);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, HIGH);
  delay(500);
  mcp.digitalWrite(OUTPUT1, LOW);
  mcp.digitalWrite(OUTPUT2, LOW);
  mcp.digitalWrite(OUTPUT3, LOW);
  mcp.digitalWrite(OUTPUT4, LOW);
  mcp.digitalWrite(OUTPUT5, LOW);
  mcp.digitalWrite(OUTPUT6, LOW);
  mcp.digitalWrite(OUTPUT7, LOW);
  mcp.digitalWrite(OUTPUT8, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, HIGH);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, HIGH);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, HIGH);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, HIGH);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, HIGH);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, HIGH);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, HIGH);
  mcp.digitalWrite(OUTPUT16, LOW);
  delay(500);
  mcp.digitalWrite(OUTPUT9, LOW);
  mcp.digitalWrite(OUTPUT10, LOW);
  mcp.digitalWrite(OUTPUT11, LOW);
  mcp.digitalWrite(OUTPUT12, LOW);
  mcp.digitalWrite(OUTPUT13, LOW);
  mcp.digitalWrite(OUTPUT14, LOW);
  mcp.digitalWrite(OUTPUT15, LOW);
  mcp.digitalWrite(OUTPUT16, HIGH);
  delay(500);
  Serial.println("Looping...");
}

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