node-red-contrib-sm-8relind v1.0.3

node-red-contrib-sm-8relind

This is the node-red node to control Sequent Microsystems 8-RELAYS Stackable Card for Raspberry Pi.

Manual Install

Clone or update the repository, follow the instrutions fron the first page.

In your node-red user directory, tipicaly ~/.node-red,

~$ cd ~/.node-red

Run the following command:

~/.node-red$ npm install ~/8relind-rpi/node-red-contrib-sm-8relind

In order to see the node in the palette and use-it you need to restart node-red. If you run node-red as a service:

~$ node-red-stop
~& node-red-start

Usage

After install and restart the node-red you will see on the node palete, under Sequent Microsystems category the "8relind" and "8relindrd" nodes.

8relind node

This node will turn on or off a relay or all relays as a 8 bits bitmap. The card stack level and relay number can be set in the dialog screen or dinamicaly thru msg.stack and msg.relay. The output of one relay or all 8 relays if you set the the relay number to 0, can be set dynamically using msg.payload.

8relindrd node

Thi node will read one relay state or all relays states as a 8 bits bitmap. The card stack level and relay number can be set in the dialog screen or dinamicaly thru msg.stack and msg.relay and the state is output as msg.payload .If you set the relay number to 0 the node will output the state of all relays.

Important note

This node is using the I2C-bus package from @fivdi, you can visit his work on github here. The inspiration for this node came from @nielsnl68 work with node-red-contrib-i2c.Thank both for the great job.