Rail Mount Micro PLC / IIoT Controllers Comparison

We put the EQSP32, DIN Rail Mount ESP32 Micro PLC / IIoT Controller head-to-head with similar offerings from industry leaders like Siemens Logo and Arduino PLC. Our goal is to provide you with a concise, and informative comparison to help you make the best choice for your projects. The table below covers key features, specifications, and value propositions, ensuring you have all the information you need at your fingertips. Data on the competitor is believed to be accurate. Let us know if you see a mistake or need more information.

EQSP32

Siemens Logo

Arduino Opta

Electromechanical

DIN Rail Mount

EQSP

Logo

Opta

Electric Cabinet Mount

EQSP

Logo

Opta

Terminals

EQSP

Screw

Logo

Screw

Opta

Screw

Display

EQSP

Virtual
IO Status can be monitored in realtime on Smartphone App

Logo

LCD

Opta

No

Power Supply

Supply voltage in

EQSP

10-24V DC

Logo

10-24V DC

Opta

10-24V DC

User supply out

EQSP

5V, 1A
Useful for powering sensors

Logo

No

Opta

No

Processor

Processor

EQSP

Dual Core 32-bit

Logo

Undisclosed

Opta

Dual Core 32-bit

Architecture

EQSP

Open

Logo

Closed

Opta

Open

Model

EQSP

ESP32-S3

Logo

Undisclosed

Opta

STM32H747

Wireless Connectivity

Bluetooth

EQSP

Logo

No

Opta

Optional

WiFi

EQSP

Logo

No

Opta

Optional

Internal Antenna

EQSP

Logo

No

Opta

External Antenna

EQSP

Optional
External antenna can be used to extend WiFi and BT range

Logo

No

Opta

No

Wired Internet

Ethernet

EQSP

No

Logo

Opta

Wired Communication

RS485

EQSP

Logo

Opta

RS232

EQSP

Logo

No

Opta

No

DMX512

EQSP

Logo

No

Opta

No

CANbus

EQSP

Logo

No

Opta

No

Programming Cable

Cable & Connector

EQSP

Standard USB-C

Logo

Proprietary

Opta

Standard USB-C

Easy Accessible

EQSP

Yes, Front

Logo

Yes, Front

Opta

No, Side

Inputs and Outputs

Number of IO ports

EQSP

16

Logo

12

Opta

12

Individually Configurable as inputs or outputs

EQSP

Logo

No, 8in/4out

Opta

No, 8in/4out

Output Types

EQSP

MOS Driver
MOS Drivers offer much higher flexibility and protection compared to mechanical relays that can only be Off/On

Logo

Relays

Opta

Relays

Max Output Voltage / Current

EQSP

24V 1A

Logo

220V 10A

Opta

220V 10A

Adjustable PWM

EQSP

Yes on All 16
PWM allow diming LEDs, and adjust the current in solenoids

Logo

No

Opta

No

Output Protection

EQSP

Yes on All 16
MOS Drivers are current and thermally protected. Relays can only be protected with external fuse or circuit breaker

Logo

No

Opta

No

Input Protection

EQSP

Logo

Opta

Drive Capabilitie

Dimable RGB LEDs

EQSP

Logo

No

Opta

No

Addressable RGB LED Strips

EQSP

Logo

No

Opta

No

Relays

EQSP

Yes
EQSP32 connects to up to 16 external relays

Logo

Yes

Opta

Yes

Irrigation valves

EQSP

Yes
EQSP32 drives valves optimally with variable PWM output, applying high current to open valve and then dropping it to maintain open.

Logo

Limited

Opta

Limited

Pneumatic valves

EQSP

Yes
EQSP32 drives valves optimally with variable PWM output, applying high current to open valve and then dropping it to maintain open.

Logo

Limited

Opta

Limited

RC Servo

EQSP

Yes
PWM Output can drive up to 16 RC Servos

Logo

No

Opta

No

Single & Three Phase AC Loads

EQSP

Yes
High loads are switched by external relays. EQSP32 can drive more relays more efficiently thanks to PWM activation

Logo

Limited

Opta

Limited

Single & Three Phase AC motors & pumps

EQSP

Yes
High loads are switched by external relays. EQSP32 can drive more relays more efficiently thanks to PWM activation

Logo

Limited

Opta

Limited

Stepper Motors

EQSP

With Exp Module

Logo

No

Opta

No

Sensors Supported

Thermistor

EQSP

Yes
EQSP32’s 5V output is used to power the thermistor and provide a reference for higher precision measurement

Logo

No

Opta

No

Potentiometer

EQSP

Yes
EQSP32’s 5V output is used to power the potentiometer and provide a reference for higher precision measurement

Logo

Limited

Opta

Limited

Encoder

EQSP

Yes

Logo

No

Opta

No

Passive Infrared PIR

EQSP

Yes

Logo

No

Opta

No

Humidity

EQSP

Yes
Sensor has Digital output with variable length pulse that can be read by any pin on EQSP32

Logo

No

Opta

No

Thermocouples

EQSP

with Exp Module

Logo

No

Opta

No

Load Cells

EQSP

with Exp Module

Logo

No

Opta

No

Current Sensor DC/AC

EQSP

with Exp Module

Logo

No

Opta

No

PH Meter

EQSP

with Exp Module

Logo

No

Opta

No

Expansion Modules

Expansion Port

EQSP

Yes

Logo

Yes

Opta

No

Max number of Modules

EQSP

8
EQSP expansion module interface to very diverse device types. Typical PLC expansion module are generic Analog Inputs and Relay Outputs.

Logo

Limited

Opta

No

Other Functions

Clock calendar

EQSP

Yes

Logo

Yes

Opta

Yes

Automatic time/date/Daylight Saving

EQSP

Yes

Logo

No

Opta

No

Audio Buzzer

EQSP

Yes

Logo

No

Opta

No

Power Supply Monitoring

EQSP

Yes
Main power supply and 5V output voltage are monitored at all times

Logo

No

Opta

No

Software

Open Architecture

EQSP

Yes

Logo

No

Opta

Yes

Development tools

EQSP

Many

Logo

Proprietary

Opta

Many

Tools cost

EQSP

Free

Logo

Costly

Opta

Free

3rd Party libraries and sample code

EQSP

Very Large
EQSP23 is based on ESP32 which has the largest following compared to the other processors in this table

Logo

Limited

Opta

Large

Cloud Real-time Database

EQSP

Yes
Supplied and supported by Erqos. Additional tools and utilities can be found in open source communities

Logo

Yes

Opta

3rd Party

Smartphone App Builder

EQSP

Yes
Supplied and supported by Erqos. Additional tools and utilities can be found in open source communities

Logo

No

Opta

No

Real-Time Monitor App

EQSP

Yes

Logo

No

Opta

No

WiFi Setup App

EQSP

Yes

Logo

No

Opta

No

AI Programming

EQSP

Yes

Logo

No

Opta

No