Campbell Scientific SDM-CD8S 8 Channel Solid State DC Control Module - Manual (Page 5)

SDM-CD8S Table of Contents
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1. Function........................................................................1
2. Specifications ..............................................................2
3. Power Considerations.................................................2
4. Installation....................................................................3
4.1 Wiring.......................................................................................................3
4.1.1 SDM-CD8S Power and Control Connections.................................3
4.1.2 Controlled Device Connections ......................................................4
5. Address Selection Switch...........................................5
6. Datalogger Instructions ..............................................6
6.1 CRBasic Dataloggers (CR800, CR850, CR1000, CR3000, CR5000,
CR9000(X)) ...........................................................................................6
6.2 Datalogger Instructions 104 (CR10/10X, CR23X, 21X, CR7) and 29
(older CR7s)...........................................................................................7
7. Theory of Operation ....................................................8
8. Program Examples ......................................................8
8.1 Control Temperature and Fans – CR1000 ................................................8
8.2 Control Temperature and Fans – CR10X ...............................................11
8.3 Control Gas Sampling Based on Time – CR1000 ..................................15
8.3.1 Terminology..................................................................................15
8.3.2 Data Tables ...................................................................................16
8.3.3 Initialization Section (between BeginProg and Scan)...................16
8.4 Control Gas Sampling with Timing in Measurement Task – CR1000 ...19
8.4.1 The Purpose of this Example ........................................................19
8.4.2 Pipeline vs Sequential ...................................................................19
8.4.3 TimedControl Instruction..............................................................20
Figures
1. SDM-CD8S face panel ...............................................................................1
2. Connection block diagrams ........................................................................4
3. Typical wiring application..........................................................................5
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