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EC-M11-EG-C4-LTE – DATASHEET

Updated on September 2, 2024

Product Features #

  • ESP32-WROOM32 Module
  • LTE Connections
  • Thermocouple Input

Cellular Communication LTE1

  • Module – SIM7000
  • Brand Name – SIMCom
  • FCC ID – 2AJYU-SIM7000
  • TAC – 86615402

Cellular Communication LTE2

  • Module – SIM7500
  • Brand Name – SIMCom
  • FCC ID – 2AQ9M-SIM7500
  • TAC – 86147503
M11 E Series

Main #

Range of ProductNORVI EC M11
Product TypeProgrammable Node
CertificationsEN 61131-2:2007
EN 61010-1:2010+A1:2019
EN IEC 61010-2-201:2018
2014/30/EU- Electromagnetic Compatibility (EMC)
Annex III, Part B, Module C 
Rated supply voltage24V DC
CommunicationWiFI / Bluetooth
LTE1 / EDGE – SIMCOM SIM7000
LTE2 / EDGE – SIMCOM SIM7500
Inputs and Outputs1 x Thermocouple Input
Displays and Visual IndicatorsGreen and Red LED

Complementary #

Product Unified CodeNORVI EC-M11-EG-C4-LTE
Product Part Numbers NORVI EC-M11-EG-C4-LTE

Mechanical Properties #

EnclosureWP8-10-4G
Mounting / Installation MethodWall mount Electrical Pole mount – accessory required
Terminal Type8-position Molding Cable / AWG24 / Length 2 meters
Terminal ArrangementColor-Coded Tinned Wires
Depth35 mm
Height100 mm
Width75 mm

Environment #

IP degree of protection IP20
Operating altitude 0 – 2000 meters
Operating Temperature – –10 … +85° C
Storage altitude 0 – 3000 meters
Shock resistance 15 gn for 11ms
Resistance to electrostatic discharge 4kV on contact 8kV on air
Resistance to electromagnetic fields 10 V/m (80 MHz …… 1GHz) 
3 V/m (1.4 MHz …… 2 GHz) 
1 V/m (2 MHz …… 3 GHz)

Electrical Characteristics #

Grid Powered Devices #

Rated Supply Voltage (V)  24V DC
Current Consumption (mA)  400mA
Recommended Power Source  1W 24V DC

Processing #

SOC / MCUESP32-WROOM32
Flash Memory4MB
ROM448 KB
SRAM520 KB
PSRAMNOT AVAILABLE

INPUTS and OUTPUTS #

Thermocouple  Inputs #

Thermocouple TypeMAX31855
Resolution14-Bit, 0.25° C
Versions Available K, J, N, T, or E type
Supply Voltage Range-0.3V to +4.0V
Junction Temperature150° C
Continuous Power Dissipation 470.6mW
SPI MISOGPIO19
SPI SCKGPIO18
CSGPIO5

Thermocouple Wire Connections and Nominal Sensitivities #

TYPET- WIRET+ WIRETEMP RANGE (°C)SENSITIVITY COLD-JUNCION SENSITIVITY
KAlumelChromel-200 to +135041.276(0° C to +1000° C)40.73
JConstantanIron-40 to +75057.953 (0° C to +750° C)52.136
NNisilNicrosil-200 to + 130036.256(0° C to +1000° C)27.171
SPlatinum/RhodiumPlatinum+50 to +16009.587(0° C to +1000° C)6.181
TConstantanCopper-250 to +40052.18(0° C to +400° C)41.56
EConstantanChromel-40 to +90076.373(0° C to +1000° C)44.123
RPlatinum/RhodiumPlatinum-50 to +177010.506(0° C to +1000° C)6.158

8-pin Pin Connector and wire harness #

Pin Description #

8P MaleWire colourI/O Configuration
1WhiteThermocouple +
2BrownThermocouple –
3Green
4Yellow
5Gray
6Pink
7BluePower+
8RedPower-

LTE1 Communication #

Model of LTE ModemSIM7000-E
FCC ID2AJYU-SIM7000
TAC86615402
RXD GPIO25
TXDGPIO26
RESETGPIO32
POWERGPIO22

LTE2 Communication #

Model of LTE ModemSIM7500
FCC ID2AQ9M-SIM7500
TAC86147503
RXD GPIO25
TXDGPIO26
RESETGPIO32
POWERGPIO22

GPIO Map #

GPIODescriptionUsage
0outputs PWM signal at bootNRST
1USB to UARTTX0
2
3USB to UARTRX0
4
5Thermocouple InputCS
12boot fails if pulled high
13
14outputs PWM signal at boot
15outputs PWM signal at boot
16
17LTE Modem   RESET
18Thermocouple InputSPI SCLK
19Thermocouple InputSPI MISO
22LTE Modem Power
23
25LTE Modem RX
26LTE Modem TX 
32
33
35
36