Campbell SDM-CAN Spécifications

SDM-SIO1 SerialInput/Output Module3/08Copyright © 2008Campbell Scientific, Inc.

SDM-SIO1 Serial Input/Output Module There can be up to 15 SDM-SIO1s on a single SDM bus. Each SDM-SIO1 will need to have a unique address before they

SDM-SIO1 Serial Input/Output Module When making connections to the datalogger always insure power to the datalogger is switched off and connect the gr

SDM-SIO1 Serial Input/Output Module (3) There is a 100R resistor in series with the datalogger’s ground connection. This connection should be used whe

SDM-SIO1 Serial Input/Output Module 3.3 Examples for Connecting the SDM-SIO1 to Other Equipment 3.3.1 RS-485 One to One Connection Example 1 C1

SDM-SIO1 Serial Input/Output Module 3.3.2 RS-485 Multi Unit / In Line Example 1 C1 2 C2 RS-485 0V for ground referencing 3 C3

SDM-SIO1 Serial Input/Output Module 3.3.3 RS-485 Half Duplex Wiring Example 1 C1 2 C2 3 C3 To logger 4 G

SDM-SIO1 Serial Input/Output Module 3.3.5 RS-232 Wiring Example with Handshaking 1 C1 2 C2 3 C3 To logger 4 G

SDM-SIO1 Serial Input/Output Module 3.3.7 Connecting a 9-Way Socket to the SDM-SIO1 1 C1 2 C2 3 C3 To logger 4 G

SDM-SIO1 Serial Input/Output Module sends data one-way to the datalogger, run the SDM-SIO1 in “receive only mode” as this does not turn on the output

SDM-SIO1 Serial Input/Output Module TABLE 4-1. Communications Port Parameters RS-232 Code Parity No. Stop Bits No. Data Bits 0 None 1 8 1 Odd 1

Warranty and Assistance The SDM-SIO1 SERIAL INPUT/OUTPUT MODULE is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in materials and wor

SDM-SIO1 Serial Input/Output Module TABLE 4-3. Communications Port Parameters RS-485 Half Duplex Code Parity No. Stop Bits No. Data Bits 48 None

SDM-SIO1 Serial Input/Output Module 4.1.2 SerialClose This will place the SDM-SIO1 unit into shutdown mode where only SDM communications will operate

SDM-SIO1 Serial Input/Output Module 4.1.6 SerialOutBlock No special information. This can also be used to set the general purpose output line (see Ap

SDM-SIO1 Serial Input/Output Module Enabling handshaking will increase active current consumption due to the extra RS-232 load. It will not affect sle

SDM-SIO1 Serial Input/Output Module 4.3.1 Example Using RS-232 Mode '----------------------------------------------------------------------- &ap

SDM-SIO1 Serial Input/Output Module 4.3.2 Example Using RS-485 Mode '----------------------------------------------------------------------- &ap

SDM-SIO1 Serial Input/Output Module 22 5. Firmware Upgrades and Flash Signature Errors 5.1 Upgrading the Firmware Firmware upgrades can be done by c

Appendix A. Using the Handshaking Lines for General Input/Output This Appendix describes how to use the CTS and RTS lines for input and output ports.

Appendix A. Using the Handshaking Lines for General Input/Output ‘IF value returned is over 4095 then input line is high ‘ELSE input line must be

Appendix A. Using the Handshaking Lines for General Input/Output Value of ‘SerialOutBlock’‘SerialExpression’ variable Voltage on the output line 1

SDM-SIO1 Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat® bookmarks tab

Appendix A. Using the Handshaking Lines for General Input/Output A-4

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SDM-SIO1 Table of Contents ii 4.3 Example Datalogger Programs ... 19 4.3.1 Example Using

SDM-SIO1 Serial Input/Output Module The SDM-SIO1 Module is designed to allow expansion of the number of serial ports available on a datalogger for com

SDM-SIO1 Serial Input/Output Module 2. Specifications 2.1 Supported Data Rates and Protocols Data rates and protocols are set up using the SerialOpe

SDM-SIO1 Serial Input/Output Module 2.2 Electrical Parameters 2.2.1 SDM-SIO1 Current Consumption Nominal Max Notes General Currents Standby current

SDM-SIO1 Serial Input/Output Module 2.2.2 SDM-SIO1 Voltage Specifications Connection Minimum Voltage(1) Nominal Voltage(1) Maximum Voltage(1) Power

SDM-SIO1 Serial Input/Output Module 2.3 Temperature and Humidity Ranges Temperature Range Minimum Maximum Notes Standard range -20ºC +50ºC Ext