Omega Engineering RD8900

2.5 RS-232, RS-422, RS-485 wiring

Figure 2 – 21

Figure 2 – 22

Contents

Main User Manual Paperless Recorder RD8900 Page 5. PC Software Observer I & II ----------------------------------------------------- 48 Safety Safety Symbols Safety Notes and Precautions Page 1. General Description 1.1 Unique features of recorder 1.2 Expandable Input and Output Cards 1.3 Communication 1.4 Storage Media CF Card 1.5 Data Security 1.6 Infrared Detector ( IR Detector ) 1.7 Ordering codes and accessories Ordering codes RD8900 Accessories: 1.8 Specifications Page Page 2. Installation and wiring 2.1 Unpacking 2.2 Installation Page Page Page Page Page Page 2.3 Setup input, output & 24VDC power supply cards Page 2.4 Wiring for the cards Page Page Page Page 3. Basic Operation 3.1 Page 3.2 Mode 3.3 History 3.4 Event 3.5 Status 3.6 Exit 3.7 Dump 3.8 Clear 3.9 Operate 3.10 Shutdown Page 4. Configuration 4.1 Channel Page Page 4.2 Display Page 4.3 Tools ( Timer, Counter & Totalizer ) Timer Counter Totalizer Page 4.4 Instrument Page 4.5 Clock 4.6 System Info 4.7 Demo 4.8 A configuration example 5. PC software Observer I & II 5.1 Hardware requirements 5.2 Set up 5.3 PC Software manual HELP 5.4 Observer I The basic software for non-communication application 5.5 Observer II The extensive software for communication application 5.6 How to use PC software Page 6. Mathematics 6.1 Math Expressions and an example