22/09/2021
WEIDOS Quick Start Guide
Version: 00.00.01
Page 13 / 52
3
Device Overview
Within Weidos devices, there are two main variants in terms of CPUs. These variants integrate MKR1010 and
the ESP32 CPU
’s
. Below, we specify the general specifications of Weidos controllers, main characteristics of
each CPU board and basic functionalities.
3.1
General specifications
See next table for specs:
WEIDOS GENERAL SPECIFICATIONS
Input Voltage
12 to 24VDC
Input rated voltage
11.4 to 25.4 VDC
Rated Power
30 W
I max. at 24Vdc
1.5A
Ambient Temperature
(Operating)
0º to 60ºC
Ambient Temperature
(Storage)
-20º to 60ºC
Ambient Humidity
(Operating)
10% to 90% (Without Condensation)
Ambient Environment
(Operating)
With no corrosive gas
Max. Operating
Altitude
2000m (6562 ft)
Will work without de-rating at a maximum
altitude of 2000m
Pollution Degree
PD2
Normally only nonconductive pollution occurs.
Temporary conductivity caused by
condensation is to be expected.
Size
114x46x127 (mm)
Communications
Ethernet
– RS485 and Serial TTL (Selectable by
switch) SPI
– Wi-Fi (With external Antenna) –
Bluetooth Low Energy
– I2C
USB consideration!
Only meant for uploading or debugging, not
always connected as a serial in a project!
Cannot be working in a final application
Analog Input 12bit
(0-10VDC)
0 to 10VDC
Input Impedance: 39K
Separated PCB ground
Rated Voltage: 10VDC
I max: 2mA at 10VDC
Digital Isolated Input
(5-24VDC)
5 to 24VDC
I max: 12 mA
Rated Voltage: 24 VDC
I max: 12 mA at 24VDC
Analog Output 10 bit
(0-10VDC)
0 to 10VDC
I max: 10 mA
Separated PCB ground
Rated Voltage: 10VDC
I max: 10 mA at 10VDC
Digital Isolated
Output
(24VDC*)
5 to 24VDC
I max: 70 mA
Rated Voltage: 24VDC
Imax at 24VDC: 410 mA (total amount of all
Digital Outputs)
Multi-Function pins
(3.3VDC/5VDC)
0 to 3,3 or 0 to 5 VDC
Voltage range configurable by DIP switches
Can be used as Digital Inputs, Digital Outputs,
Interrupts or PWM signals
Expandability
(I2C - 127 elements) - Serial Port and RS485
(Up to 32 devices with Modbus RTU)
