Campbell SDM-SI01A, Product Manual

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Table of contents
1. Introduction 1
2. Precautions 2
3. Initial inspection 3
4. Overview 3
5. Specifications 4
5.1 Supported data rates and protocols 4
5.2 Electrical parameters 5
5.2.1 Current consumption 5
5.2.2 Voltage specifications 6
5.2.3 Compliance 6
5.3 Temperature and humidity ranges 7
5.4 Dimensions and weight 7
5.4.1 SDM-SIO1A 7
5.4.2 SDM-SIO4A 7
5.5 Data logger compatibility 8
6. Installation 8
6.1 Mounting 9
6.2 Connection and wiring 11
6.2.1 Wiring examples for connecting the SDM-SIO1A 13
6.2.1.1 RS-485/RS-422 full-duplex, one-to-one connection example 14
6.2.1.2 RS-485 full-duplex, multi-drop example 14
6.2.1.3 RS-485 half-duplex wiring example 15
6.2.1.4 RS-232 wiring example with handshaking 16
6.2.1.5 RS-232 basic 3-wire example 16
6.2.1.6 Connecting a 9-way socket to the SDM-SIO1A for RS-232 devices 16
6.3 Programming 18
6.3.1 CRBasic instructions 18
6.3.1.1 SerialOpen() 18
6.3.1.2 SerialClose() 22
6.3.1.3 SerialIn() 22
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