Product Description

ManualsBrandsmyUpTech ManualsElectronicsTemperature & humidity sensing electronic control

myUpTech AB

DOC_10000030-0

HMI

HMI-L

Human Machine Interface - Lite

P/N’s: 10000033 & 10000070

Product Features

 2.8" capacitive touch TFT (240x320 pixels)

 Red + Green indication LED

 µSD port

 Wireless Connectivity- 2.4GHz (IEEE 802.15.4)

 RS485

o UART rate 115200 bps

 Powerful MCU NXP ARM Cortex-M0+ @40 MHz

 On/off microswitch

 Real Time Clock with backup supply

 Temperature and humidity sensor

 64 kbit EEPROM

 1 Mbyte FLASH Memory

 PCB Connection to J-Link Needle

o Adaptor for development/programming

software

Product Description

The HMI-L is a small inexpensive display unit. It can be

used as a room thermostat or the main controller in low

cost products.

General Specifications

Environmental

Operating Temperature Range: 0°C to + 55°C

Storage Temperature Range: -40°C to +70°C

Operating Humidity Range: 0% to 90% Non-Cond.

Storage Humidity Range: 0% to 80% Non-Cond.

Pollution Degree: 2

Degree of Protection: IP20

Electrical

Rated Supply Voltage(s): 5VDC, 12VDC, & 24VAC

Current Consumption (Max Load): 250 mA @ 5V

Overvoltage Category: I

Rated Impulse Voltage: 0.33kV

ESD Immunity: ±4kV Contact Discharge, ±8kV Air

Discharge

Maximum Cable Length: 50m

Dimensional Data

Summary of content (5 pages)

PAGE 1
HMI-L myUpTech AB HMI-L Human Machine Interface - Lite P/N’s: 10000033 & 10000070 General Specifications Environmental Operating Temperature Range: 0°C to + 55°C Storage Temperature Range: -40°C to +70°C Operating Humidity Range: 0% to 90% Non-Cond. Storage Humidity Range: 0% to 80% Non-Cond. Pollution Degree: 2 Degree of Protection: IP20 Electrical Rated Supply Voltage(s): 5VDC, 12VDC, & 24VAC Current Consumption (Max Load): 250 mA @ 5V Overvoltage Category: I Rated Impulse Voltage: 0.
PAGE 2
HMI-L Safety Classification General  Functions as the thermostat/control for geothermal heat pumps/ appliances.  It is classified as a Class III, independently mounted, temperature/humidity sensing, operating electronic control with Class A functions and Type 1 actions.  Terminals are for internal and external conductors. Disclaimers-Information to End User A copy of the DoC (Declaration of Conformity) should accompany the end product when distributing it within the EU.
PAGE 3
HMI-L the FCC Identification Number, Firmware Version Identification Number and the following statement: “The device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.” Features and Connectors TFT Display The HMI-L uses a TFT LCD touch display to interface with the user.
PAGE 4
HMI-L Internal Power Supply The HMI-L can handle a supply voltage of 5 VDC using the micro USB port X5, and 12 VDC or 24 VAC using the 6pole connector X1. myUpTech AB Connector X1 Power Input and RS485 Pin No. Description 1 5VDC, 12VDC, or 24VAC 2 RS485 A 3 RS485 B 4 GND 5 R-N-Mode 6 NC Flash Memory For the unit to be updated via IEEE 802.15.4 the new firmware must be entirely downloaded to the HMI-L then checked and applied.
PAGE 5
HMI-L myUpTech AB Micro SD Summary of PCB Connectors The HMI-L is equipped with a Micro SD slot, which can be used to upload new firmware and optionally store log files. Connector X4 MicroSD Card Pin No. Description 1 NC 2 SPI CS 3 SPI MOSI 4 3V3 5 SPI CLK 6 GND 7 SPI MISO 8 NC 11 CD (1) 12 GND Micro USB The HMI-L can also be optionally powered via micro-USB by connecting to connector X5. Connector X5 also has the capability to communicate through pins X5-2 and X53. Connector X5 Micro USB Pin No.