Campbell SDM-SIO2R Serial I/O Module Manuals

Manuals and User Guides for Campbell SDM-SIO2R Serial I/O Module. We have 1 Campbell SDM-SIO2R Serial I/O Module manual available for free PDF download: Product Manual

Campbell SDM-SIO2R Product Manual

Campbell SDM-SIO2R Product Manual (57 pages)

Serial input/output module with switched sensor power

Brand: Campbell | Category: I/O Systems | Size: 4.47 MB

Table of Contents

Table of Contents
2
Introduction
4
Precautions
4
Initial Inspection
5
Overview
5
Specifications
7
Supported Data Rates and Protocols
7
Electrical Parameters
8
Current Consumption
8
Voltage Specifications
9
Temperature and Humidity Ranges
10
Dimensions and Weight
10
Data Logger Compatibility
10
Installation
11
Mounting
12
Connection and Wiring
16
Power Connections and Current Limits
22
Using One SDM-SIO2R in a System
23
Using Two SDM-Sio2Rs in a System
23
Using Three SDM-Sio2Rs in a System
24
Using Three or more SDM-Sio2Rs in a System
24
Wiring Examples for Connecting the SDM-SIO2R
24
RS-485/RS-422 Full-Duplex, One-To-One Connection Example
25
RS-485 Full-Duplex, Multi-Drop Example
25
RS-485 Half-Duplex Wiring Example
26
RS-232 Wiring Example with Handshaking
27
RS-232 Basic 3-Wire Example
27
Connecting a 9-Way Socket to the SDM-SIO2R for RS-232 Devices
27
RS-232 and RS-485 with Switched Power Example
28
Programming
29
Crbasic Instructions
30
Serialopen()
30
Serialclose()
35
Serialin()
35
Serialout()
36
Serialinblock()
36
Serialoutblock()
36
Serialinchk()
37
Serialinrecord()
37
Serialflush()
37
Operation
37
Configuring Handshaking and Receive-Only Modes
37
Using RTS/CTS and Automatic Handshaking
37
RS-485 Half-Duplex Mode
38
Using the RS-232 Link in Receive-Only Mode
38
Power Conservation
38
Schematic
39
Troubleshooting and Maintenance
40
Troubleshooting
40
Maintenance
42
Upgrading the Operating System
42
Operating System Signature Errors
42
Checking the Operating System Version and Signature
43
Appendix A. Using the Handshaking Lines for General Input/Output
45
The Input Pin (CTS)
45
The Output Pin (RTS)
46
Appendix B. Example Data Logger Programs
48
Example Using RS-232 Mode
49
Example Using RS-485 Mode
50
Example Using Switched Relay Power
51

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