Measurement-computing WBK17 Uživatelský manuál

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WBK17, Counter/Encoder Module
987996
WBK17, pg. 1
WBK17
Counter-Input Module with Quadrature Encoder Support
For use with WaveBook/516, /512A, /516A, and /516E
Description ……1
Hardware Setup ……3
Configuration ……3
Power …… 3
Using Fastener Panels to Stack Modules …… 4
Functional Concepts ……4
Input Coupling ……4
Analog Filtering ……5
Comparator ……6
Debounce Module ……7
Terms Applicable to Counter Modes…….11
Counter Options ……11
Counter/Totalize Mode ……12
Period Mode ……14
Pulsewidth Mode ……17
Timing Mode ……19
Encoder Mode ……20
Digital Inputs ……29
Digital Outputs…… 30
Pattern Detection and Data Markers ……31
Software Support ……31
Fuse Replacement ……36
WBK17 - Specifications …… 37
Description
WBK17 Modules – Showing Front and Rear Panels
Front Panel
Counter Input - snap-in terminal blocks. Includes connections for Common, Low, & High for each of 8 channels.
Power Out [for Encoders] snap-in terminal block. Includes connections for Common, +5 VDC, and +15 VDC.
Digital Expansion In (HD26 Female) & Digital Expansion Out / Digital In, Trigger, Clock (DB25 Female)
LED Indicators - Active, Ready, and Power
Rear Panel
Power Switch
Power In and Out (DIN5 connectors) for +10 VDC to +30 VDC
Digital Outputs - snap-in terminal block with connection for Common and 8 Channels
Expansion Control In (DB15 Male) & Expansion Control Out (DB15 Female)
Expansion Signal In (BNC) & Expansion Signal Out (BNC)
Front Panel
Rear Panel
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Shrnutí obsahu

Strany 1 - WBK17

WBK17, Counter/Encoder Module 987996 WBK17, pg. 1WBK17 Counter-Input Module with Quadrature Encoder SupportFor use with WaveBook/516, /51

Strany 2

WBK17, pg. 10 987996WBK17, Counter/Encoder ModuleDebounce times should be set according to the amount of instability expected in the input signal. Se

Strany 3 - Hardware Setup

WBK17, Counter/Encoder Module 987996 WBK17, pg. 11Terms Applicable to Counter ModesThe following terms and definitions are provided as an aid to unde

Strany 4 - Functional Concepts

WBK17, pg. 12 987996WBK17, Counter/Encoder ModuleTiming Mode (see page 19).OPT2: Determines whether the time is to be measured with a 16-bit counter

Strany 5 - Analog Filtering

WBK17, Counter/Encoder Module 987996 WBK17, pg. 13COUNTER: OPT0: This selects totalize or clear on read mode.Totalize Mode – The counter counts up

Strany 6 - Comparator

WBK17, pg. 14 987996WBK17, Counter/Encoder ModulePeriod ModeThis mode allows for period measurement of the channel input. The measurement period is t

Strany 7 - Debounce Module

WBK17, Counter/Encoder Module 987996 WBK17, pg. 15PERIOD: OPT6: This allows a mapped channel’s period to be measured, instead of the input channel.

Strany 8 - WBK17, pg. 8

WBK17, pg. 16 987996WBK17, Counter/Encoder ModuleEach frequency range given in the previous table-set can be exceded. If the input waveform goes unde

Strany 9 - WBK17, pg. 9

WBK17, Counter/Encoder Module 987996 WBK17, pg. 17Pulsewidth ModeThis mode provides a means to measure a channel’s pulsewidth. The measurement is th

Strany 10 - WBK17, Counter/Encoder Module

WBK17, pg. 18 987996WBK17, Counter/Encoder ModulePULSEWIDTH: OPT6: This allows the mapped channel’s pulsewidth to be measured instead of theinput ch

Strany 11 - Pulsewidth Mode

WBK17, Counter/Encoder Module 987996 WBK17, pg. 19Timing ModeThis mode provides a means of measuring time between two subsequent events, i.e., the ed

Strany 12 - Encoder Mode

WBK17, pg. 2 987996WBK17, Counter/Encoder ModuleThe WBK17 is an 8-channel multi-function counter/encoder module that can be used with WaveBook/516,/51

Strany 13 - WBK17, pg. 13

WBK17, pg. 20 987996WBK17, Counter/Encoder ModuleTIMING: OPT2: This determines whether the time is to be measured with a 16-bit (Counter Low), or32-

Strany 14

WBK17, Counter/Encoder Module 987996 WBK17, pg. 21As the encoder rotates, the A (or B) signal is indicative of the distance the encoder has traveled.

Strany 15 - WBK17, pg. 15

WBK17, pg. 22 987996WBK17, Counter/Encoder ModuleEncoder Wiring DiagramsYou can use up to four encoders with each WBK17 module in your WaveBook system

Strany 16 - WBK17, pg. 16

WBK17, Counter/Encoder Module 987996 WBK17, pg. 23Wiring for 1 or 2 EncodersThe following figure illustrates differential connections for two encoder

Strany 17

WBK17, pg. 24 987996WBK17, Counter/Encoder ModuleThere are other useful encoder options; for example, analog filtering. If the encoders are known to

Strany 18 - WBK17, pg. 18

WBK17, Counter/Encoder Module 987996 WBK17, pg. 25If more timing resolution is needed, the scan period must be shortened. This has an impact when se

Strany 19

WBK17, pg. 26 987996WBK17, Counter/Encoder ModuleApplication Example #2Using Encoder mode to implement Up/Down Counters of any size.The encoder mode d

Strany 20

WBK17, Counter/Encoder Module 987996 WBK17, pg. 27Wiring for 3 EncodersThe following figure illustrates single-ended connections for three encoders.

Strany 21 - WBK17, pg. 21

WBK17, pg. 28 987996WBK17, Counter/Encoder ModuleWith the encoders connected in this manner there is relative positioning information available on two

Strany 22 - WBK17, pg. 22

WBK17, Counter/Encoder Module 987996 WBK17, pg. 29Four Encoders – Example SetupChannel Connection Programming Setup1 Encoder1 – A Encoder Mode, 1X op

Strany 23 - Wiring for 1 or 2 Encoders

WBK17, Counter/Encoder Module 987996 WBK17, pg. 3Hardware SetupConfigurationAll WBK17 configurations are controlled by software. The WBK17 requires n

Strany 24 - WBK17, pg. 24

WBK17, pg. 30 987996WBK17, Counter/Encoder ModuleDigital OutputsThe WBK17 has 8 fully programmable digital outputs. Each output has an open-drain DMO

Strany 25 - Application Example #1

WBK17, Counter/Encoder Module 987996 WBK17, pg. 31Pattern Detection and Data MarkersThe WBK17 has a pattern detection feature that can be individuall

Strany 26 - WBK17, pg. 26

WBK17, pg. 32 987996WBK17, Counter/Encoder ModulePattern Detection ModuleNote: OPT bits (see figure) are set by software options.Example: Setpoint D

Strany 27

WBK17, Counter/Encoder Module 987996 WBK17, pg. 33Example Detection: Channel 1 in Totalizing Counter ModeThe detection circuit works on data that is

Strany 28 - Wiring for 4 Encoders

WBK17, pg. 34 987996WBK17, Counter/Encoder ModuleDetection Example: Channel 4 in Encoder Position Mode, Channel 5 in Period ModeDetect 4 can be route

Strany 29 - Digital Inputs

WBK17, Counter/Encoder Module 987996 WBK17, pg. 35Software SupportWaveView contains special software features for WBK17. These features are discusse

Strany 30 - Digital Outputs

WBK17, pg. 36 987996WBK17, Counter/Encoder ModuleFuse ReplacementThe WBK17 has three user-replaceable fuses as follows:• F1 - Power Output Fuse (for +

Strany 31 - WBK17, pg. 31

WBK17, Counter/Encoder Module 987996 WBK17, pg. 37WBK17 - SpecificationsGeneralPower Consumption: 520 mA @ 15V input, 310 mA @ 25Vinput (assuming no

Strany 32 - WBK17, pg. 32

WBK17, pg. 38 987996WBK17, Counter/Encoder Module

Strany 33 - WBK17, pg. 33

WBK17, pg. 4 987996WBK17, Counter/Encoder ModuleUsing Fastener Panels to Stack ModulesFor convenient mounting, the WBK17 has the same footprint as oth

Strany 34 - WBK17, pg. 34

WBK17, Counter/Encoder Module 987996 WBK17, pg. 5CMOS output driver with high current outputs used with voltages of up to 15 V. Balanced line driver

Strany 35 - Software Support

WBK17, pg. 6 987996WBK17, Counter/Encoder ModuleComparatorEach channel has its own individually programmable comparator as shown in the figure below.

Strany 36 - Fuse Replacement

WBK17, Counter/Encoder Module 987996 WBK17, pg. 7Debounce ModuleEach channel’s comparator output can be debounced with 16 programmable debounce times

Strany 37 - WBK17 - Specifications

WBK17, pg. 8 987996WBK17, Counter/Encoder ModuleTrigger After Stable ModeIn the “Trigger After Stable” mode, the output of the debounce module will no

Strany 38 - WBK17, pg. 38

WBK17, Counter/Encoder Module 987996 WBK17, pg. 9Trigger Before Stable ModeIn the “Trigger Before Stable” mode, the output of the debounce module imm

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