Campbell-scientific SDM-IO16 16-Channel Input/Output Expansion Module Uživatelský manuál Strana 1

SDM-IO16 16 ChannelInput/Output Expansion ModuleRevision: 4/09Copyright © 2002-2009Campbell Scientific, Inc.

SDM-IO16 16 Channel Input/Output Expansion Module Minimum frequency: a frequency of 0 Hz is measured if there are less than two high-to-low signal tr

SDM-IO16 16 Channel Input/Output Expansion Module OVFrom sensor510 Ω33 Ω5 V100 KTo internal logic5.6 VO V a) Input biasing and protection 0.6 V DropOu

SDM-IO16 16 Channel Input/Output Expansion Module SDM-IO16DATALOGGER GND12 VSDM-C1 or C1SDM-C2 or C2SDM-C3 or C3 a) Connection with Datalogger Suppl

SDM-IO16 16 Channel Input/Output Expansion Module Multiple SDM-IO16s can be wired in parallel by connecting the datalogger connections of one SDM-IO16

SDM-IO16 16 Channel Input/Output Expansion Module 5. Address Selection Switches Each SDM-IO16 can have 1 of 16 addresses. The factory-set address is

SDM-IO16 16 Channel Input/Output Expansion Module Each SDM-IO16 needs to be set to a unique address on the SDM bus, so that no two SDM peripherals sha

SDM-IO16 16 Channel Input/Output Expansion Module 6.2 CRBasic Programming Dataloggers that use CRBasic include our CR800, CR850, CR1000, CR3000, and

SDM-IO16 16 Channel Input/Output Expansion Module Mode is entered as a four digit parameter, where each parameter indicates the setting for a port. Po

SDM-IO16 16 Channel Input/Output Expansion Module TABLE 2. Bit Period Values Datalogger Default Bit Period Minimum Allowable Bit Period Maximum Bit

SDM-IO16 16 Channel Input/Output Expansion Module P188 SDM-IO16 instruction 01:99 SDM address 0-15. 02:9999 Command number 0-255. 03:FP Ports 16-13

Warranty and Assistance The SDM-IO16 16 CHANNEL INPUT/OUTPUT EXPANSION MODULE is warranted by CAMPBELL SCIENTIFIC, INC. to be free from defects in mat

SDM-IO16 16 Channel Input/Output Expansion Module reduction of the SDM-bus speed if the cables are long (see details of P115 in the datalogger manual)

SDM-IO16 16 Channel Input/Output Expansion Module Instruction 29 –used with older CR7s Parameter Type Description 1 2 Reps (No. of modules sequent

SDM-IO16 16 Channel Input/Output Expansion Module Pulse counting (1..23): these read the counts accumulated on the specified ports since they were las

SDM-IO16 16 Channel Input/Output Expansion Module Set the interrupt mask (97..98): these commands set a binary mask across the ports to define whether

SDM-IO16 16 Channel Input/Output Expansion Module 7. Program Examples 7.1 SDMIO16 Example The following program sets up and measures an SDM-IO16. P

SDM-IO16 16 Channel Input/Output Expansion Module Cooling unit: Activate when temperature >27.5°C. Deactivate when temperature <24.5°C. Mixing

SDM-IO16 16 Channel Input/Output Expansion Module ;Call instruction 188 to set the ports as outputs ;with the outputs set low. 2: SDM-IO16 (P188) 1:

SDM-IO16 16 Channel Input/Output Expansion Module 11: If (X<=>F) (P89) ;check upper threshold 1: 1 -- X Loc [ Temp_1 ] ;t

SDM-IO16 16 Channel Input/Output Expansion Module 23: End (P95) ;end 'then do' 24: Else (P94) ;else, if cooler is off 25: Z=F

SDM-IO16 16 Channel Input/Output Expansion Module 36: If time is (P92) ;if 5 minutes remain 1: 10 Minutes (Seconds --) into a ;out of 15 min

IMPORTANT – Please Read First Datalogger Instruction 188 – Software Requirements 1. PC208W Datalogger Support Software PC208W support of SDM-IO16 Ins

SDM-IO16 16 Channel Input/Output Expansion Module *Table 2 Program 02: 0.0000 Execution Interval (seconds) *Table 3 Subroutines End Program 7.3

SDM-IO16 16 Channel Input/Output Expansion Module ;Measure the four frequencies and write to four input locations ;applying a scaling to m/s 5: SDM-I

SDM-IO16 16 Channel Input/Output Expansion Module ;Maximum windspeeds with time of maximum 11: Maximum (P73) 1: 4 Reps 2: 10 Value with Hr-Min

SDM-IO16 16 Channel Input/Output Expansion Module ; Call instruction 188 to set the ports up 2: SDM-IO16 (P188) 1: 00 SDM Address 2: 90 Command

SDM-IO16 16 Channel Input/Output Expansion Module 28 ;Set the output flag to force immediate storage of data 3: Do (P86) 1: 10 Set Output Flag

Appendix A. General Principles of Pulse and Frequency Measurements A.1 Introduction It is necessary to understand the general method of input measur

Appendix A. General Principles of Pulse and Frequency Measurements A.3 Resolution of Frequency Measurements The module measures frequency by countin

Appendix A. General Principles of Pulse and Frequency Measurements accurate duty cycle readings for higher frequency signals. Signals up to 4.000 kHz

Appendix A. General Principles of Pulse and Frequency Measurements A-4 The relationship between the minimum debounce time in milliseconds (td) and th

Appendix B. Command Code Listing Command Action 1 Read port 1 accumulated counts into 1 location 2 Read port 2 accumulated counts into 1 location 3

2. CR23X and CR10X Operating System Requirements Use of SDM-IO16 Instruction 188 requires newer datalogger operating systems for the CR23X and CR10X.

Appendix B. Command Code Listing Command Action 50 Read port 4 duty cycle into 1 location 51 Read port 5 duty cycle into 1 location 52 Read port 6

Appendix B. Command Code Listing Command Action 97 Set interrupt mask of ports 1-16 from 1 location. The location is a 16 bit decimal representation

Appendix B. Command Code Listing B-4 This is a blank page.

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SDM-IO16 Table of Contents PDF viewers note: These page numbers refer to the printed version of this document. Use the Adobe Acrobat® bookmarks tab

SDM-IO16 Table of Contents ii Appendices A. General Principles of Pulse and Frequency Measurements ...

SDM-IO16 16 Channel Input/Output Expansion Module The SDM-IO16 (see Figure 1) is a synchronously addressed peripheral. It has 16 ports that can be con

SDM-IO16 16 Channel Input/Output Expansion Module to sixteen SDM-IO16s may be addressed, making it possible to control a maximum of 256 ports from the

SDM-IO16 16 Channel Input/Output Expansion Module Mounting: Mounting brackets have two holes at 225 mm nominal spacing. Mounting screws and plastic i