Product Specification

SENTENANCE SENSOR NODE – RS485 & DI

 Node Specification

Supply voltage

DC  3.3-24 V
(Battery Li-ion 1865 3.7 V)

Protocol

ESP-MESH – Wi-Fi protocol  802.11

Frequency

2.4 GHz to 2.5 GHz

CPU

WiFi Modules (802.11) SMD Module, ESP32-D0WD, 128Mbits SPI flash, UART mode, U.FL antenna connector

Output Power

 20 dBm

Antenna Gain

 5 dBi

Port

RS485 x 1  (Modbus RTU)
RS232 x 1
DI x 3
I2c x 1
SPI x 1

 IO

DI

3 x Opto-isolated Digital Inputs
DC Voltage (3-24V) / NPN-PNP

RS485

RS485 x 1  (Modbus RTU)
Modbus RTU (RS485)
4800bps to 115200bps

Reset Button

1 × RESET (Inside The Device)

Operating Temperature

-40°C to 70°C

Dimensions

123 x 93 x 30 mm (Board)

Ingress Protection

IP64

SENTENANCE SENSOR NODE – DI & DO

Node Specification

Supply voltage

DC  3.3-24 V
(Battery Li-ion 1865 3.7 V)

Protocol

ESP-MESH – Wi-Fi protocol  802.11

Frequency

2.4 GHz to 2.5 GHz

CPU

WiFi Modules (802.11) SMD Module, ESP32-D0WD, 128Mbits SPI flash, UART mode, U.FL antenna connector

Output Power

 20 dBm

Antenna Gain

 5 dBi

Port

RS232 x 1
DI x 3
DO x 3
I2c x 1
SPI x 1

 IO

DI

3 x Opto-isolated Digital Inputs
DC Voltage (3-24V) / NPN-PNP

DO

Relay Contact Rating: 10A 120VC/24VDC, 10A/ 6A 250VAC

Reset Button

1 × RESET (Inside The Device)

Operating Temperature

-40°C to 70°C

Dimensions

153 x 90 x 30 mm (Board)

Ingress Protection

IP64

SENTENANCE SENSOR NODE – DI & AI

Node Specification

Supply voltage

DC  3.3-24 V
(Battery Li-ion 1865 3.7 V)

Protocol

ESP-MESH – Wi-Fi protocol  802.11

Frequency

2.4 GHz to 2.5 GHz

CPU

WiFi Modules (802.11) SMD Module, ESP32-D0WD, 128Mbits SPI flash, UART mode, U.FL antenna connector

Output Power

 20 dBm

Antenna Gain

 5 dBi

Port

RS232 x 1
DI x 4
AI x 4
I2c x 1
SPI x 1

 IO

DI

3 x Opto-isolated Digital Inputs
DC Voltage (3-24V) / NPN-PNP

DO

Standard 0-20mA , 4-20mA

Reset Button

1 × RESET (Inside The Device)

Operating Temperature

-40°C to 70°C

Dimensions

153 x 90 x 30 mm (Board)

Ingress Protection

IP64

 

SENTENANCE SENSOR – Temperature & Humidity

Sensor Specification

Supply voltage

Battery Li-ion 1865 3.7 V

Protocol

ESP-MESH – Wi-Fi protocol  802.11

Frequency

2.4 GHz to 2.5 GHz

CPU

WiFi Modules (802.11) SMD Module, ESP32-D0WD, 128Mbits SPI flash, UART mode, U.FL antenna connector

Output Power

 20 dBm

Antenna Gain

 5 dBi

Port

RS232 x 1
I2c x 2
SPI x 1
one wire x 1 (For temp DS18B20)

Specifications Sensor (BME280)

Temperature:  -40 to +85°C  / ±1°C
 Humidity:  0-100%  / ±3%
 Pressure:  300-1100 hPa /±1Pa

Reset Button

1 × RESET (Inside The Device)

Operating Temperature

-40°C to 70°C

Dimensions

153 x 51 x 30 mm (Board)

Ingress Protection

IP64

SENTENANCE – Gateway Mesh

Gateway Specification

Supply voltage

DC  3.3-24 V

Protocol

ESP-MESH – Wi-Fi protocol  802.11
MQTT

Frequency

2.4 GHz to 2.5 GHz

CPU

WiFi Modules (802.11) SMD Module, ESP32-D0WD,
 128Mbits SPI flash, UART mode, U.FL antenna connector

Output Power

 20 dBm

Antenna Gain

 5 dBi

Port

RS232 x 2
I2c x 2
SPI x 2

Reset Button

2 × RESET (Inside The Device)

Operating Temperature

-40°C to 70°C

Dimensions

134 x 30 x 10 mm (Board)

Ingress Protection

IP64