ENCARDIO RITE ESM-40S, User Manual

Page: 2 / 29

Users’ Manual ESM-40S High sensitivity settlement monitoring system
www.encardio.com
Contents
1 INTRODUCTION 1
1.1 ESM-40S high sensitivity liquid level settlement system 1
1.2 Conventions used in this manual 1
1.3 How to use this manual 1
2 DIGITAL SETTLEMENT MONITORING SYSTEM 3
2.1 General description 3
2.2 Operating principle 3
2.3 ESM-40S/1 Settlement sensor 4
2.4 ESM-40S/2 Reservoir assembly 4
2.5 ESM-40S/3 Moisture trap 5
2.6 ESM-40S/4 Fluid and air vent tubes 5
2.7 ESM-40S/5 Pressure gage and valve assembly 5
2.8 ESM-40S/6 Pressure vessel with compressor 6
2.9 De-aired fluid 6
2.10 Model ESDL-30 Datalogger 6
3 TOOLS & ACCESSORIES REQUIRED FOR INSTALLATION 7
4 INSTALLATION PROCEDURE 8
4.1 Pre-installation checks 8
4.1.1 Sensor check 8
4.1.2 Location of the reservoir and reference sensor 8
4.1.3 Sensor locations 8
4.2 Installation of settlement and reference sensors 8
4.3 Installation of reservoir & moisture trap 9
4.4 Installation of pressure gage and valve assembly 9
4.5 Installation of datalogger 10
4.6 Connecting the liquid line 10
4.7 Connecting the air vent line 11
4.8 Filling the fluid in reservoir, fluid line and sensors 11
5 SENSOR WIRING 13
5.1 For sensors with SDI-12 output option 13
5.2 For sensors with Modbus (RS-485) output option 14
6 CONNECTING ESM-40S TO SDI-12 DATALOGGER 15
6.1 SDI-12 output 15
6.2 Wiring details 15
6.3 Connecting to ESDL-30 SDI-12 datalogger 15
7 CONFIGURATION OF ESM-40S WITH ESDL-30 DATALOGGER (SDI-12) 17
8 CONNECTING EPS-40S TO MODBUS DATALOGGER 21
8.1 Introduction 21
8.2 Connection details for ESDL-30 datalogger 21
8.3 Wiring details for any other Modbus datalogger 21
8.4 Modbus details for connection to datalogger 22
8.4.1 Modbus RTU overview 22
8.4.2 Function code 22
8.4.3 Modbus register table 22
8.5 Default settings 23
8.6 Modbus command format 23
9 CONNECTING TO NODE & GATEWAY 24
9.1 Sensors with SDI-12 output option 24
9.2 Sensors with Modbus (RS-485) output option 25
10 SAMPLE TEST CERTIFICATE 26
11 WARRANTY 27