node-red-contrib-redplc-tf-csa23017

Node-Red CSA Controller node by using mcp23017 16bit I/O Expander.
This module is modified from node-red-contrib-rpi-mcp23017

Node Features

• 2 x 8 x Digital Inputs or Digital Outputs
• Add Pullup Resistor to Digital Inputs
• Eight selectable Device Addresses

Install

For using with Ladder-Logic install redPlc nodes

For using with other nodes, install module nodes

Install with Node-Red Palette Manager or npm command:

cd ~/.node-red
npm install node-red-contrib-redplc-tf-csa23017

Usage

This node reads/writes from/to Node-Red global variables
Update is triggered by redPlc cpu node or module-update node
This node works only on Raspberry Pi with Raspberry Pi OS
Enable I2C with raspi-config.
Consult datasheet for absolute maximum ratings

Digital Input (Variable I):

Digital Output (Variable Q):

PA = Input, PB = Input
PA = Output, PB = Output

PA = Input, PB = Output
PA = Output, PB = Input

Donate

If you like my work please support it with donate:

1.0.09

• Initial Release

1.0.10

• Use own icon
• Update README

1.0.11

• Update keyword
• Update reffernce developper

1.0.111

• Update keyword
• Update reffernce developper
• add ~ to Input to be used to invert input value

1.0.112

• add ~ to Output to be used to invert output value

1.0.113

• Print node output value

1.0.116

• Do not convert input

1.0.117

• Back to invert input 1.0.118