User Guide

IoT into the Wild

4. Hook up the Sensor Probe

4.1 Preparation

4.1.1 Sensor Probe

Get one of these sensors ready:

Type

Sensor wire pin

RS485 Modbus-RTU

1 x A, 1 x B, 1 x GND, 1 x VCC

4~20 mA

1 or 2 x signal pin

0~10V

1 or 2 x signal pin

Level

1 x signal pin

Pulse Count

1 x signal pin

Note:

Each Data logger can only be connected to one type of sensor. For example

1. a RS485 sensor with one address

2. a 4~20mA sensor with 1or 2 measurements

3. a 0~10V (Less than 10v) sensor with 1or 2 measurements

4. a pulse or level sensor with 1 measurement

4.1.2 Tools

Type

Description

Cross screwdriver

Cross recess No.2