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If you want to have control over other devices through Internet, mobile phone or you want to measure temperature, humidity or collect data from an environment the obniz PLC is the device which you find.
obniz will let you control input and output from the cloud and transferring your firmware into the PLC.
Four Relays on obniz PLC. The 4 Relays are a solution for driving high power loads that cannot be controlled by digital IOs of microcontroller, due to the current and voltage limits of the controller. Each relay provides 2 pole changeover contacts (NO and NC). Relays are useful in switching on/off AC appliances like fan, light, motor or high current DC actuators like solenoid valve etc. Every relay includes a LED which indicate the on/off state.
The 4 digital inputs are optical isolated.
This is helpful for connecting your obniz PLC to a system with a different ground, different voltage or some noisy channel. This separate electrically (isolates) input channel from the controller input. Four LEDs indicate the On/Off state of each input.
Thanks that the obniz PLC owns a RS485, now you will be able to have a communication port for your RS485 devices! It will allow up to 32 devices to communicate through the same data line over a cable length of up to 1200m/4000ft. It is and the ultimate expansion that allows your board to connect to almost every legacy industrial system using serial connectivity such as industrial PLCs, controllers, drives and HMIs.
The RS485 can be use to turn old industrial systems like industrial machinery, heating systems and conveyors into new IoT devices. It supports high speed 500 Kbps in a short distance.
The obniz PLC contains 1 GROVE Digital connector.
The Grove System simplifies traditional electronics it consists of a base platform and various modules with standardised connectors. Each Grove module addresses a range of functions such as simple LEDs, buttons, switches to complex servo control, etc. With the combination with Grove modules, the project possibilities are endless!
We use these additional connectors for extensions boards like as GSM, LoRa modules. They are very comfortable for your own extensions.
Guide for Quick Start
|Dimension||70 mm × 92 mm × 35 mm|
|RS485||speed 500 Kbps (short distance)|
|Relay outputs||4 (maximum voltage/current 250V/5A)|
|Optical isolated digital Inputs||4 (working voltage 3-30 V, On arrives form 3 V)|
|Power supply||8 - 30 V|