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MAQ20-DIOL Discrete I/O Module HW User Manual

1. Average Average Weight Default 4 Set Alarms for Events Measured Frequency 35 R W 1 Alarm Config Hd yr Ag See Section 14 0 INT16 Default 0 0 to 10 Million Default 0 MSB at Address 36 0 to 10 Million INT32 LSB at Address 37 0 to 10 Million Default 0 MSB at Address 38 LSB at Address 39 18 R 2 Avg High Time 0 to 10 Million INT32 20 R W 2 Max Low Time 0 to 10 Million INT32 22 R W 2 Min Low Time 0 to 10 Million INT32 24 R W 2 Max High Time 0 to 10 Million INT32 26 R W 2 Min High Time 0 to 10 Million INT32 31 R W 1 Internal Trigger 0 or 1 INT16 34 R W 1 Average Weight 0 to 65 535 INT16 Alarm High High 36 RW 21 Limit 38 R W 2 Alarm High Limit 0 to 10 Million INT32 Page50of60 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual Special Function 3 Waveform Measurement Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Start Read Qty of De Data Write Addrs Contents Description Data Range type 0 to 10 Million Default 0 40 R W 2 Alarm Low Limit MSB at Address 40 0 to 10 Million INT32 LSB at Address 41 Mee 0 to 10 Million Default 0 7 42 R W 2 Limit MSB at Address 42 0 to 10 Million INT32 LSB at Address 43 Alarm High Low 44 RW 1 AG 0 to 65 535 Default 0 0 to 65 535 INT16 45 Rw 4 Alarm High High 0 a 65 535 Default 0 0 to 65 535 INT16 Low Low DB 90
2. 0 to 10 Million INT32 LSB at Address 11 A write to this address resets Time Between the counter Default 7280 Events min MSB at Address 12 LSB at Address 13 A write to this address resets Time Between the counter Events average MSB at Address 14 LSB at Address 15 0 seconds Timebase 1 milliseconds Default 2 microseconds 0 to 10 Million INT32 0 to 10 Million INT32 0 to 2 INT16 z 1 INT16 1 INT16 z 1 1 1 1 1 7 1 8 1 9 1 1 0 to 65 535 INT16 MA1043 MAQ20 DIOL Hardware User Manual Special Function 4 Time Between Events Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of TT Number of events to Mnd Events to 0 Unlimited Default D Measure MSB at Address 20 Ho MUON DIR LSB at Address 21 35 R W 1 Alarm Config Measured Time oe See Section 14 0 INT16 Events Default Alarm High High O to 10 Million pa 36 R W 2 Limit MSB at Address 36 0 to 10 Million INT32 LSB at Address 37 0 to 10 Million Default LSB at Address 39 0 to 10 Million Default LSB at Address 41 eee T 0 to 10 Million Default R W Limit MSB at Address 42 0 to 10 Million INT32 Far at Address 43 R W 1 High High Oto 65 535 Default 0 to 65 535 INT16 Low Low DB 1 Save Function write Saves to EEPROM INT 16 Configuration QDDAAFORTH ee 58 of 60
3. Low Low Limit Sets the value for the Low Low limit in counts Alarm status is stored in a register High High Low Low Deadband Used for the High High and or Low Low limits to prevent false tripping or alarm chatter for noisy signals Deadband is the region less than the High High limit or greater than the Low Low limit measured in counts which the signal must traverse through before the alarm is reset after being tripped See Figure 15 below for graphical representations of alarm parameters and functionality Gomer page27of 60 MA1043 MAQ20 DIOL Hardware User Manual Latching Alarm High Limit High Low Deadband High Low Deadband Low Limit 1 High Alarm Tripped 2 Low Alarm Tripped Multiple Alarm Limits High High Alarm Limit High High Low Low Deadband High High Low Deadband High Low Deadband Low Alarm Limit High High Low Low Deadband Low Low Alarm Limit High Alarm Trip High High Alarm Trip High High Alarm Reset High Alarm Reset Low Alarm trip Low Low Alarm Trip Low Low Alarm Reset Low Alarm Reset CON OU E MKM KA Figure 15 Alarm Parameters and Functionality Page 28 of 60 Alarm Limit Tracking Alarm High Limit High Low Deadband Deadband Low Limit High Alarm Tripped High Alarm Reset Low Alarm Tripped Low Alarm Reset P UKM KA Dead band Eliminates False Trip High Low Deadband 1 High Alarm Trip 2 High Alarm Reset
4. MAQ 20 Industrial Data Acquisition and Control System MA1043 MAQ20 DIOL Hardware User Manual my Qs QS IS Qo NS O lt 5 2 SZ gt 3DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual MAQ20 DIOL Hardware User Manual MA1043 Rev A January 2014 O 2014 Dataforth Corporation All Rights Reserved ISO9001 2008 Registered QMS The information in this manual has been checked carefully and is believed to be accurate however Dataforth assumes no responsibility for possible inaccuracies or omissions Specifications are subject to change without notice The information tables diagrams and photographs contained herein are the property of Dataforth Corporation No part of this manual may be reproduced or distributed by any means electronic mechanical or otherwise for any purpose other than the purchaser s personal use without the express written consent of Dataforth Corporation MAQ 20 is a registered trademark of Dataforth Corporation Modbus is a registered trademark of the Modbus Organization Inc E DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual Table of Contents 1 0 SVETTE EEE 1 2 0 System Description and Documentation araranrnnnrnnnrnnnnevanrvnnrnnnnnnanenanennnrnnnsnnnsennnennnennnnnnnnennsennn 2 3 0 Gal AG alaa NNN NE 3 4 0 Module Dimensions and I O Connections sss sese eee eee eee 3 5 0 LEE ATO p EE E E men RE NE 4 6 0 S T Eg GE ES SIEM cesscecasecossecessc
5. gt DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual 14 0 Setting and Monitoring Alarms Alarms can be set for four of the Special Functions Pulse Frequency Counter Pulse Frequency Counter with Debounce Waveform Measurement and Time Between Events Two types of alarms for each of the functions are possible High Low and High High Low Low Alarms are not available for standard discrete I O When an alarm condition occurs the appropriate register is written to show alarm status This register can then be monitored by the host software for alarm detection In addition the MAQ20 DIOL module has the ability to map alarm events to discrete output channels that are not associated with Special Functions These discrete output channels will then be set to a user defined state when the alarm condition is met Special Functions Alarm Functionality is summarized in Table 5 Table 5 Special Function Alarm Functionality Special Available Alarms for Special Functions using Available Alarms for Special Functions using Function Timer 0 Timer 1 Pulse Frequency Counter Pulse Frequency Counter w Debounce Waveform Measurement Time Between Events P DATAFORTH High Low Alarm can be mapped to DOO High High Low Low Alarm can be mapped to DO1 High Low Alarm cannot be mapped to DOO High High Low Low Alarm can be mapped to DO1 High Low Alarm can be mapped to DOO High High Low Low Alarm can be mapped to
6. p po DICHO HIN Sec 12 0 Tables po CHO IN po CHT HIN Sec 12 0 Tables EE pK DICHZ2 HIN Sec t20Tabe4 gt CCH AN po ICH N Sect20Tabe4 gt po DIGHS GN JP po CHAIN po CHIN G IDE aas 9 at BO MA1043 MAQ20 DIOL Hardware User Manual 5 0 Installation The MAQ920 I O module package has been designed for easy insertion into and removal from a system and can mate with DIN rails mounted flush on continuous panels or plates To install a module Orient the module with the field connector facing out Align the angled surface on the top rear corner with panel or plate the DIN rail is mounted to Slide the module down to capture the DIN rail with the hook on the module a a I eS Rotate the module and snap in place To remove a module reverse the steps in the installation process If space is available the clip at the bottom of the module can be squeezed by hand to release For tight installations insert a flat blade screwdriver into the recess in the clip 5 place the shaft of the screwdriver against the curved part of the clip and gently pry the clip to release 6 as shown in Figure 2 below Mounting Plate Figure 2 Installation and Removal Multiple rows of MAQ 20 modules can be mounted at a 3U vertical spacing interval Backbones can be combined to add I O modules to a system A system is only allowed to have one MAQ20 COMx module Some possible configurations in a 19 rack are shown i
7. 2 hazardous locations and have a high level of immunity to environmental noise commonly present in heavy industrial environments The MAQ20 DIOL module has 5 isolated discrete input channels and 5 isolated discrete output channels Input channels interface to 3 60VDC signals and output channels control 3 60VDC signals at up to 3A current Discrete output channels have user configurable default output states which are set upon power up or module reset In addition to performing standard discrete I O the channels can be configured to perform seven Special Functions Pulse Frequency Counter Pulse Frequency Counter with Debounce Waveform Measurement Time Between Events Frequency Generator Pulse Width Modulation PWM and One Shot Generator Up to four Special Functions can run simultaneously High Low High High and Low Low alarms provide essential monitoring and warning functions to ensure optimum process flow and fail safe applications Field I O connections are made through a pluggable terminal block Input to Bus isolation is a robust 1500Vrms and Channel to Channel isolation is 300Vrms Each individual channel has continuous overload and reverse connection protection in the case of inadvertent wiring errors For details on installation configuration and system operation refer to the manuals and software available for download from www dataforth com This includes but is not limited to MA1036 MAQ 20 Quick Start Guide MA1040 MAQ 20 Co
8. DO1 High Low Alarm can be mapped to DOO High High Low Low Alarm can be mapped to DO1 High Low Alarm can be mapped to DO2 High High Low Low Alarm can be mapped to DOS High Low Alarm cannot be mapped to DO2 High High Low Low Alarm can be mapped to DOS High Low Alarm can be mapped to DO2 High High Low Low Alarm can be mapped to DOS High Low Alarm can be mapped to DO2 High High Low Low Alarm can be mapped to DOS Page 29 of 60 MA1043 MAQ20 DIOL Hardware User Manual The Address Map for the MAQ20 DIOL module is found at the end of this manual Excerpts from the Address Map are shown below Alarm parameters are stored in registers at offset addresses 3 and 35 to 45 starting at reference address 1100 if the Special Function uses Timer 0 or reference address 1200 if the Special Function uses Timer 1 NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Refer to Section 9 0 for further details on Registration Number Special Function 1 Pulse Frequency Counter Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Start Addr offset Read Qty of Data EO Write Addrs Contents Description Data Range type or 1200 0 No Alarm Alarm Status 1 High Low Alarm 0 to 2 INT16 2 High High Low Low Alarm 1 Alar Contig po fl Oe EOUN See Section 14 0
9. Debounce Ne isan 0 disarmed disarm 0 or 1 1 armed arm 0 Function OK 0 to 20 Data type INT16 INT16 12 Tried to Arm Function Only 0 12 and NO Function Status INT16 without Function Selected 17 defined 17 Too Many Pulses 0 No Alarm Alarm Status 1 High Low Alarm 2 High High Low Low Alarm A write to this address will reset the counter 0 to 10 MSB at Address 4 LSB at Address 5 ge 0 to 3 000 Default 0 Frequency MSB at Address 6 0 to 3 000 LSB at Address 7 0 Negative Edge Default EN Internal Trigger 1 Positive Edge 0 or 1 Debounce Output 0 Disabled Default ee Enable 1 Enabled 0 to 2 INT16 0 to 10 Million INT32 INT32 INT16 INT16 INT16 Low Time 0 to 32 767 Default 100 0 to 32 767 x 100us High Time 0 to 32 767 Default 100 0 to 32 767 x 100us requency Default 0 to 10 Million ne MSB at Address 36 0 to 10 Million LSB at Address 37 0 to 10 Million Default 0 Alarm High Limit MSB at Address 38 0 to 10 Million LSB at Address 39 0 to 10 Million Default 0 MSB at Address 40 0 to 10 Million LSB at Address 41 eee 0 to 10 Million Default 0 Limit MSB at Address 42 0 to 10 Million LSB at Address 43 Gomer paged7of60 INT16 INT16 INT32 INT32 INT32 INT32 INT16 MA1043 MAQ20 DIOL Hardware User Manual Special Function 2 Pulse Frequency Counter w Debounce Start Addresses below are offset from address 1100 for
10. Discrete Input Channels and Writing Discrete Output Channels The MAQ20 DIOL module has 5 isolated discrete input channels and 5 isolated discrete output channels Input channels interface to 3 60VDC signals and output channels control 3 60VDC signals at up to 3A current Channel to Channel isolation is 300Vrms Each individual channel has continuous overload and reverse connection protection in the case of inadvertent wiring errors Signals applied to discrete input channels are detected as high when over 1 6V and low when below 1 6V Discrete output channels have a solid state switch They do not output logic signals directly and must be connected to an external source The basic circuit topology is shown in Figure 7 below NOTE THE MAQ20 DIOL MODULE USES INVERTED LOGIC LOGIC 0 READ FROM A DISCRETE INPUT CHANNEL INDICATES THAT THE SIGNAL ON THE INPUTS IS ABOVE THE THRESHOLD AND LOGIC 1 INDICATES THAT THE SIGNAL IS BELOW THE THRESHOLD WRITING A 0 TO A DISCRETE OUTPUT CHANNEL CLOSES THE SOLID STATE SWITCH AND WRITING A 1 OPENS THE SWITCH Input Circuit Output Circuit Figure 7 Discrete Input and Discrete Output Circuit Topology Page t20f60 0 DEUR MA1043 MAQ20 DIOL Hardware User Manual The Address Map for the MAQ20 DIOL module is found at the end of this manual An excerpt from the Address Map is shown below NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Ref
11. MA1043 MAQ20 DIOL Hardware User Manual Special Function 5 Frequency Generator Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT 4 fan a maa 0 Samedan aat me Am Disarm VEE tot tot 1 INTIS 1 armed arm Desired frequency in Hz 0 to 10 000 Default 10 R W Frequency MSB at Address 4 0 to 10 000 INT32 LSB at Address 5 Save Function Write Saves to EEPROM INT16 Configuration Page54of60 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual Special Function 6 PWM Generator Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT 4 fan maa 0 Sema f ga me Am Disarm REA 0 or 1 INT 16 1 armed arm 0 seconds R W Timebase 1 milliseconds Default Oto 2 INT16 2 microseconds 7 Output 2 disabled Default Pr of period in timebase units 200us minimum R W 2 Period Default 500 1 to 10 Million INT32 MSB at Address 6 LSB at Address 7 Length of low time on output 1 Output 1 Low in timebase units 100us R W 2 Time minimum Default 250 1 to 10 Million INT32 MSB at Address 8 LSB at Address 9 Length of low time on output 2 Output 2 Low in timebase units 100us 10 R W 2 Time minimum Default 250 1 to 10 Million INT32 MSB at Address 10 LSB at Address 11 W Save Function W
12. Section 14 0 mne Frequency RPM Alarm High High O to 10 Million Default 36 R W 2 Limit MSB at Address 36 0 to 10 Million INT32 LSB at Address 37 38 R W 2 Alarm High Limit MSB at Address 38 0 to 10 Million INT32 LSB at Address 39 0 to 10 Million Default LSB at Address 41 ee ee 0 to 10 Million Default R W Limit MSB at Address 42 0 to 10 Million INT32 LSB at Address 43 NCE mal ow Low DB Page3ooten 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual Special Function 3 Waveform Measurement Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of TT 0 No Alarm 3 1 Alarm Status 1 High Low Alarm 0 to 2 INT16 2 High High Low Low Alarm Set Alarms for Events Positive Pulse Width Alarm High High O to 10 Million Default 0 7 36 R W 2 Limit MSB at Address 36 0 to 10 Million INT32 LSB at Address 37 0 to 10 Million Default 0 LSB at Address 39 0 to 10 Million Default 0 LSB at Address 41 0 to 10 Million Default 0 LSB at Address 43 ow Low DB Alarms are configured by writing a code to the register at Address 2000 R 1100 35 for Special Functions using Timer 0 or Address 2000 R 1200 35 for Special Functions using Timer 1 Alarm Status is stored in the register at Address 2000 R 1100 3 for Special Functions using Timer 0 or Address 2000 R 1200 3 for Special Functions using Timer 1 The c
13. W 1 Save Function Write Saves to EEPROM 0 INT 16 Configuration Gomer pagestof6o MA1043 MAQ20 DIOL Hardware User Manual Special Function 4 Time Between Events Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of i TT 4 Time between Events 4 INT 16 R W Arm Disarm De 0 or 1 INT 16 1 armed arm 7 0 Function OK 0 to 20 12 Tried to Arm Function without Function Selected 17 Too Many Pulses 0 No Alarm Alarm Status 1 High Low Alarm 2 High High Low Low Alarm Number of A write to this address resets 0 to 10 Million Events the counter E Up to 10 000 Default 0 2 Frequency MSB at Address 6 O to 10 000 LSB at Address 7 A write to this address resets D Time Between the counter Events current MSB at Address 8 LSB at Address 9 ml Event 1 Internal 0 Negative Edge Default 0 or 1 Trigger 1 Positive Edge ES Event 2 Internal 0 Negative Edge Default ee A write to this address resets RW Trigger 1 Positive Edge Time Between the counter Is used to calculate Average Average Sampled Value R Average Weight Average Average Weight Default 4 Events max MSB at Address 10 Page 52 of 60 gt DATAFORTH Data type Only 0 12 and INT16 Function Status 17 defined 0 to 2 INT16 1 2 3 4 ES INT32 INT32 0 to 10 Million INT32
14. in the Address Map The sections in the Address Map for each Special Function show registers with start addresses of 0 to 90 These are offset addresses starting at reference address 1100 if the Special Function uses Timer 0 or reference address 1200 if the Special Function uses Timer 1 The Address Map for the MAQ20 DIOL module is found at the end of this manual Excerpts from the Address Map are shown below NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Refer to Section 9 0 for further details on Registration Number Address Range 1000 1299 Module Data and Special Function Selection Start Qty of sr Data Timer 0 Config and start address 1100 100 for Special Function registers Timer 1 Config and start address 1200 100 for Special Function registers Page 18 of 60 Select Special Function See Address Maps below for register contents starting at address 1100 specific to each Special Function selected Special Functions using Timer 0 use channels DIO DI1 DOO DO1 Default 0 Select Special Function See Address Maps below for register contents starting at address 1200 specific to each Special Function selected Special Functions using Timer 1 use channels DI2 DI3 DO2 DO3 Default 0 0 None Default 1 Pulse Freq Ctr 2 Pulse Freq Ctr w Debounce 3 Waveform Measurement 4 Time Between Events 5 Frequency Generat
15. logic 0 and inputs below the threshold are reported as logic 1 Minimum Low Time and Minimum High Time for valid pulses are specified in increments of 100us These can be used to prevent false triggering from invalid signals A debounced version of the input signal is provided on discrete output channel DO0 if Timer 0 is used to implement the function or discrete output channel DO2 if Timer 1 is used to implement the function This output can be enabled or disabled by writing to a register Edge triggering can be set to positive or negative Counting is enabled or disabled by arming or disarming the function Pulse count is reset by writing to a register High Low or High High Low Low alarms can be configured for this function and dedicated discrete output channels can be set when High High Low Low alarm conditions are reached Reference section 14 0 for details on using alarms If the special function is disabled by writing a number other than 2 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values Figure 9 below shows function operation for positive edge triggering When input signal pulses have a high time longer than the user s
16. of Data Dane Characters D s MAQ20 DIO Numbers and ASCII escription lt pace Characters Serial Number 51234567 89 Numbers and ASCII Space l l 5 Date Code D1510 Characters ASCII Numbers 5 Firmware Rev F1 00 Characters Ascii Numbers and 5 1 1 Input Channels 5 Input Channels ASCII 1 1 1 4 4 Output Channels 5 Output Channels ASCII Module Detect Any write will blink Status LED 0 to 65 535 INT16 at 5Hz for 5 seconds 0 Standard Reset 9 pt Reset Register 255 Reset to Default 0 255 INT16 Address Range 100 499 Module Configuration an R W ay or Contents Description Data Range nara Addr Addrs type 100 10 Channel Confi Input or Output Ee Apul INT16 9 p p 2 Output DOO DO4 Default Output Discrete Output Default State 0 Switch ny S 9 Config Default 1 for all channels Closed HATIS 1 Switch Open Save to 0 Saves Channel Config LE B paus ag a 0 DEUR MA1043 MAQ20 DIOL Hardware User Manual Address Range 1000 1299 Module Data and Special Function Selection Start Qty of DIO States Binary Representation 1000 RW 10 Inverted Logic Addr 1000 LSB Addr 1009 MSB DIO States 1010 1 Decimal Equivalent Timer 0 Config and start address 1100 100 for Special Function registers Timer 1 Config and start address 1200 100 for Special Function registers P DATAFORTH Description Example Starting at address 1009 and decreasing
17. of ninety 90 days from receipt by buyer of the repaired or replaced products or for the remainder of the warranty period for the initial delivery of such order as set forth in paragraph a above whichever is greater g Critical Applications Certain applications using Dataforth s products may involve potential risks of death personal injury or severe property or environmental damage Critical Applications DATAFORTH S PRODUCTS ARE NOT DESIGNED INTENDED AUTHORIZED OR WARRANTED TO BE SUITABLE FOR USE IN LIFE SUPPORT DEVICES OR SYSTEMS SAFETY EQUIPMENT NUCLEAR FACILITY APPLICATIONS OR OTHER CRITICAL APPLICATIONS WHERE MALFUNCTION OF THE PRODUCT CAN BE EXPECTED TO RESULT IN PERSONAL INJURY DEATH OR SEVERE PROPERTY DAMAGE BUYER USES OR SELLS SUCH PRODUCTS FOR USE IN SUCH CRITICAL APPLICATIONS AT BUYER S OWN RISK AND AGREES TO DEFEND INDEMNIFY AND HOLD HARMLESS DATAFORTH FROM ANY AND ALL DAMAGES CLAIMS PROCEEDINGS SUITS OR EXPENSE RESULTING FROM SUCH USE h Static Sensitive Dataforth ships all product in anti static packages Dataforth s Warranty as hereinabove set forth shall not cover warranty repair replacement or refund on product or devices damaged by static due to buyer s failure to properly ground Page 59 of 60 MA1043 MAQ20 DIOL Hardware User Manual Application Support Dataforth provides timely high quality product support Call 1 800 444 7644 TOLL FREE Returns Repair Policy All warranty and repai
18. output value of 1 so the state change can be detected Read register address 8000 1100 3 7103 to view the status of the High Alarm To set the Pulse Counter Alarm High High limit write to register address 8000 1100 37 9137 a data value of 200 Note that this value is written to the register at address 37 because this limit is a 32 bit number which is stored in 2 registers When this limit is reached a value of 0 will be written to discrete output channel 1 which will close the solid state switch and the red LED on the module will be lit This channel should have been previously set to a value of 1 or have a default output value of 1 so the state change can be detected Read register address 8000 1100 3 9103 to view the status of the High High Alarm Waveform Frequency Alarm Configuration amp Monitoring Write to register address 8000 1200 9200 a data value of 3 to set the Waveform Measurement Special Function to operate on Timer 1 The Alarm Configuration Value for the Waveform Measurement function is 2000 100 30 8 2138 Write this value to the Alarm Configuration register at address 8000 1200 35 9235 To set the Waveform Measurement Deadband write to register address 8000 1200 44 9244 a data value of 25 This value will be used for both Low and High limits To set the Waveform Measurement Low limit write to register address 8000 1200 41 9241 a data value of 500 Note that this value is
19. written to the register at address 41 because this limit is a 32 bit number which is stored in 2 registers When this limit is reached a value of 1 will be written to discrete output channel 2 which will open the solid state switch and the red LED on the module will be lit This channel should have been previously set to a value of 0 or have a default output value of 0 so the state change can be detected Read register address 8000 1200 3 9203 to view the status of the Low Alarm QDDATAFORTH pane 33 of 60 MA1043 MAQ20 DIOL Hardware User Manual To set the Waveform Measurement High limit write to register address 8000 1200 39 9239 a data value of 800 Note that this value is written to the register at address 39 because this limit is a 32 bit number which is stored in 2 registers When this limit is reached a value of 1 will be written to discrete output channel 2 which will open the solid state switch and the red LED on the module will be lit This channel should have been previously set to a value of 0 or have a default output value of 0 so the state change can be detected Read register address 8000 1200 3 9203 to view the status of the High Alarm Pages4ot60 DOAAFORTE MA1043 MAQ20 DIOL Hardware User Manual 15 0 Reset Functions Two types of firmware reset are supported in the MAQ 20 I O modules Standard Reset is used to put the module in a user defined state The parameters listed below will be set to th
20. 0 940 ReDAQ Shape for MAQ20 Main Configuration Screen To view the registration sequence double click on the MAQ20 COMx graphic COM Module Setting SPADE UTE SEDER rana Setup Modules Slot Setup COM SD Memory Card MAQ20 COM4 Serial Number 0074249 02 Date Code D0512 Firmware version F1 10 Slot Number Start Address Board Description Serial Number Date Code Firmware Inputs Output A 1 2000 MaU ZOUT LC 0080066 02 D0512 F1 06 2 4000 MAQZ20VDN 0080067 12 D0712 F1 06 3 6000 MAD 20V0 0074061 10 D0312 F1 02 4 8000 MAQ20DI0L 0074048 31 D0112 F1 06 5 10000 MAQ20MYDN 008071 7 08 D1212 F1 11 6 12000 MAQ20VSN 0080511 03 D0213 F1 11 H 14000 MA amp Q20VSN 0080511 02 MAQ20VSN 0080511 01 Figure 6 Module Registration using MAQ20 940 ReDAQ Shape for MAQ20 Registration Numbers are listed in the left column To change the Registration Number of an I O module click the box in the left column next to the Registration Number then use the Up and Down buttons to move the module within the sequence The system automatically reassigns the I O modules above and below the one moved Repeat for other modules if desired The MAQ20 COMx module always has Registration Number 0 and cannot be moved Press Save to save the new configuration The new registration sequence is permanent as long as I O modules are not removed from or added to a system gt DATAFORTH Page 11 of 60 MA1043 MAQ20 DIOL Hardware User Manual 10 0 Reading
21. 200us and minimum low time is 100us The timebase is selected as seconds milliseconds or microseconds based on the waveform to be generated in order to obtain the best resolution and performance The example shown in Figure 13 below shows the use of both Timers each used to generate two PWM signals Period Timer 0 Output Signal 1 DOO Timer 0 Output 1 Low Time Output Signal 2 DO1 Timer 0 Output 2 Low Time Period Timer 1 Output Signal 1 DO2 Timer 1 Output 1 Low Time Output Signal 2 DO3 Timer 1 Output 2 Low Time Figure 13 PWM Generator Configured to Output Four Separate Signals If the special function is disabled by writing a number other than 6 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values CODATA page25of 60 MA1043 MAQ20 DIOL Hardware User Manual 12 7 Special Function 7 One Shot Pulse Generator The One Shot Pulse Generator function uses discrete output channel DOO if Timer 0 is used to implement the function or discrete output channel DO2 if Timer 1 is used to implement the function The output is enabled or disabled by arming or disarming the function Minimum pulse w
22. 2C Figure 16 MAQ20 DIOL Derating for Static Loads Table 8 MAQ20 DIOL Derating for Static Loads Special Function Maximum Ratings 25 C Frequency Generator 900Hz 3A 1 8kKHz 2A 4 9KHz 1A PWM Generator 14 Duty Cycle 100us Pulse 3A 22 Duty Cycle 100us Pulse 2A 50 Duty Cycle 100us Pulse 1A CODATA ee 39 of 60 MA1043 MAQ20 DIOL Hardware User Manual MAQ20 DIOL Derating Frequency Generator Special Function Single Discrete Output Channel Operating 50 Duty Cycle 6000 _ 5000 I 3A gt 4000 S i 2A 3000 Z dr 1A 2000 1000 0 40 25 85 Temperature C Figure 17 MAQ20 DIOL Derating for Single Channel Square Wave Output vs Frequency MAQ20 DIOL Derating PWM Generator Special Function Single Discrete Output Channel Operating 100us On time 60 00 50 00 e 3A x 40 00 L 2A 30 00 gt t 1A 3 20 00 10 00 0 00 40 25 85 Temperature C Figure 18 MAQ20 DIOL Derating for Single Channel Square Wave Output vs Duty Cycle gt DATAFORTH Page 40 of 60 MA1043 MAQ20 DIOL Hardware User Manual 19 0 MAQ20 DIOL Address Map Tables in this section outline the MAQ20 DIOL address space Data in these registers contains all permanent and user settable information for module configuration status operation o
23. E l l O to 10 Million Default 0 2 MSB at Address 36 0 to 10 Million LSB at Address 37 0 to 10 Million Default 0 2 MSB at Address 38 0 to 10 Million LSB at Address 39 0 to 10 Million Default 0 2 MSB at Address 40 0 to 10 Million LSB at Address 41 0 to 10 Million Default 0 MSB at Address 42 INT16 Function Status 17 defined 0 to 2 INT16 0 to 10 Million INT32 INT32 INT16 INT16 INT16 0 to 2 INT16 External Enable NO O0 to 2 INT16 oO O1 INT16 D INT32 38 R INT32 40 INT32 Alarm Low Low 42 0 to 10 Million INT32 Limit LSB at Address 43 alele gt lee DATAR pane 45 of 60 MA1043 MAQ20 DIOL Hardware User Manual Special Function 1 Pulse Frequency Counter Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT ee a Alarm Low 0 to 65 535 Default 0 to 65 535 INT16 R W Alarm High High 6 tp 65 535 Default 0 to 65 535 INT16 Low Low DB W 1 Save Function Write Saves to EEPROM INT16 Configuration Page46ot60 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual Special Function 2 Pulse Frequency Counter w Debounce Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of k r E 2 Pulse Frequency Counter unction w
24. Function to operate on Timer 1 Connect the input signal to be measured to channel DI2 Gomer pagel0of60 MA1043 MAQ20 DIOL Hardware User Manual 12 1 Special Function 1 Pulse Frequency Counter The Pulse Counter function uses discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel DI2 if Timer 1 is used to implement the function Pulses on the input are cumulatively counted to an upper limit of 10 000 000 Input levels over 1 6V are detected as high and input levels below 1 6V are low The MAQ20 DIOL module uses inverted logic so inputs over the threshold are reported as logic 0 and inputs below the threshold are reported as logic 1 Edge triggering can be set to positive or negative If pulses per revolution is specified RPM can be measured to an upper limit of 65 535 Counting is enabled or disabled by arming or disarming the function Optionally counting can be controlled using an external signal applied to discrete input channel DI1 if Timer 0 is used to implement the function or discrete input channel DI3 if Timer 1 is used to implement the function The external enable can be configured as either active low or active high Pulse count is reset by writing a register In Figure 8 below an active high external enable is used for pulse counting Counting begins after the enable line goes high If input signal positive edge trigger is selected 3 pulses will be counted and if input signal negative edge
25. MAQ20 DIOL Address Map e 41 DATAFORTH g MA1043 MAQ20 DIOL Hardware User Manual About Dataforth Corporation Our passion at Dataforth Corporation is designing manufacturing and marketing the best possible signal conditioning data acquisition and data communication products Our mission is to set new standards of product quality performance and customer service Dataforth Corporation with more than a quarter century of experience is the worldwide leader in Instrument Class Industrial Electronics rugged high performance signal conditioning data acquisition and data communication products that play a vital role in maintaining the integrity of industrial automation data acquisition and quality assurance systems Our products directly connect to most industrial sensors and protect valuable measurement and control signals and equipment from the dangerous and degrading effects of noise transient power surges internal ground loops and other hazards present in industrial environments Dataforth spans the globe with more than 50 International Distributors and US Representative Companies Our customers benefit from a team of over 130 sales people highly trained in the application of precision products for industrial markets In addition we have a team of application engineers in our Tucson factory ready to solve any in depth application questions Upon receipt of an RFQ or order our Customer Service Department provides fast on
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27. ORTH BELOW i for all software products including licensed programs thirty 80 days from date of initial delivery ii for all hardware products including complete systems one 1 year from date of initial delivery iii for all special products sixty 60 days from date of initial delivery and further all products warranted hereunder for which Dataforth has received timely notice of nonconformance must be returned FOB to Dataforth s plant in Tucson Arizona USA within thirty 30 days after the expiration of the warranty periods set forth above The foregoing warranties shall not apply to any products which Dataforth determines have by buyer or otherwise been subjected to operating and or environmental conditions in excess of the maximum value established therefore in the applicable specifications or any products that have been the subject of mishandling misuse misapplication neglect improper testing repair alteration or damage THE PROVISIONS OF THE FOREGOING WARRANTIES EXTEND TO BUYER ONLY AND NOT TO BUYER S CUSTOMERS OR USERS OF BUYER S PRODUCTS THE DATAFORTH STANDARD WARRANTY IS IN LIEU OF ALL WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE OR USE AND ALL OTHER WARRANTIES WHETHER EXPRESS IMPLIED OR STATUTORY EXCEPT AS TO TITLE THE DATAFORTH STANDARD WARRANTY MAY BE CHANGED BY DATAFORTH WITHOUT NOTICE b Buyer Indemnity Buyer agrees to indemnify and hold Dataforth harmless from and again
28. Q20 COMx Communication Module is always assigned a Registration Number of 0 Pagesoto0 0 DEUR MA1043 MAQ20 DIOL Hardware User Manual The Address Map for the MAQ20 DIOL module is found at the end of this manual An excerpt from the Address Map is shown below Channel Data is stored starting at Address 1000 NOTE THE MAQ20 DIOL MODULE USES INVERTED LOGIC LOGIC 0 READ FROM A DISCRETE INPUT CHANNEL INDICATES THAT THE SIGNAL ON THE INPUTS IS ABOVE THE THRESHOLD AND LOGIC 1 INDICATES THAT THE SIGNAL IS BELOW THE THRESHOLD WRITING A 0 TO A DISCRETE OUTPUT CHANNEL CLOSES THE SOLID STATE SWITCH AND WRITING A 1 OPENS THE SWITCH NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Address Range 1000 1299 Module Data and Special Function Selection Start Qty of Data Example PN Starting at address 1009 and dd DIO States decreasing to address 1000 ee d Binary MSB to LSB DI4 to DIO and E DER Representation DO4 to DOO 1011011000 E E 1000 R W 10 Inverted Logic Data written to an input i l DIO DI4 channel will be ignored Data Per odt Addr 1000 LSB written to an output channel 0 input S Addr 1009 MSB committed to a Special np i threshold unction returns an error ke one Default 1 for all channels NIP threshold pe ed rn OG l DR number above MSB to LSB 101088 TS q 1011011000 Default 1023 Example A MAQ20 DIOL module with serial n
29. R MA1043 MAQ20 DIOL Hardware User Manual 8 0 Expanding a System The MAQ20 COMx Communications Module periodically scans the system and will detect if a MAQ 20 I O module has been added When this happens the next available sequential Registration Number is assigned to the module Standard system expansion involves a simple three step process STANDARD EXPANSION PROCESS 1 Turn system power on and observe communications activity on the I O modules 2 Add a single MAQ 20 I O module in any local or remote backbone position Observe that the green Power LED is on and communications activity is seen on the TX and RX LEDs Allow 1 second for registration This module has now been assigned the next available sequential Registration Number Label and connect input output wiring to the I O module and if desired record physical position in the system 3 Repeat Step 2 for all remaining MAQ 20 I O modules to be added to the system Subsequent modules installed are assigned the next sequential Registration Number ALTERNATE EXPANSION PROCESS 1 With system power off install all additional MAQ 20 I O modules in any vacant local or remote backbone positions Label and connect field wiring to the I O module and if desired record physical position in the system Do not apply power 2 Apply system power and observe that each module has the green Power LED on and communications activity is seen on the TX and RX LEDs Allow 5 seconds for f
30. Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT R W Alarm High High 0 to 65 535 Default 0 to 65 535 INT16 Low Low DB Save Function Write Saves to EEPROM INT16 Configuration pans ag oa ODAAT MA1043 MAQ20 DIOL Hardware User Manual Special Function 3 Waveform Measurement Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data i _ 3 Waveform Measurement INT16 Arm Disarm samen eam O or 1 INT16 1 armed arm 0 Function OK 0 to 20 12 Tried to Arm Function Only 0 12 and Function Status without Function Selected 17 defined G 17 Too Many Pulses 0 No Alarm Alarm Status 1 High Low Alarm 0 to 2 INT16 2 High High Low Low Alarm A write to this address resets the counter m MSB at Address 4 0 to 10 Million INT32 LSB at Address 5 O to 10 000 Measured Duty Cycle accurate to f 500Hz Frequency Default 0 O to 10 000 INT32 MSB at Address 6 LSB at Address 7 Events Measured Duty Cycle Combined Duty cycle fixed point 8 bit integer 8 bit fraction Accurate to Waveform 0 to 65 535 INT16 Frequency 500Hz max Default 0 A write to this address resets l the counter oe Period MSB at Address 10 0 to 10 Million INT32 LSB at Address 11 A write to this address resets the counter a Low Time MSB at Add
31. T16 0 to 1023 INT16 INT16 INT16 Page 43 of 60 MA1043 MAQ20 DIOL Hardware User Manual Special Function 0 None Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT R W Funcion 0 No Special Function me Selected Page 44 of 60 E DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual Special Function 1 Pulse Frequency Counter Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of TT 1 1 Pulse Frequency Counter 1 Data type INT16 1 Arm Disarm 0 disarmed disarm 0 or 1 INT16 1 armed arm 0 to 20 Only 0 12 and 0 Function OK 12 Tried to Arm Function without Function Selected 17 Too Many Pulses 0 No Alarm Alarm Status 1 High Low Alarm 2 High High Low Low Alarm A write to this address will reset the counter MSB at Address 4 LSB at Address 5 0 to 10 000 Default 0 2 MSB at Address 6 0 to 10 000 LSB at Address 7 1 0 to 65 535 1 Pulses Per 1 to 65 535 Default 1 1 to 65 535 Revolution l 0 Negative Edge Default 1 Internal Trigger 1 Positive Edge Oor 1 0 Not Used Default 1 Active Low 2 Active High N Defaul External Enable E a Bee ela 1 Active Low gag 2 Active High Set Alarms for Pulse Count Frequency RPM Default 0 N
32. ardware User Manual 18 1 Derating Operating the discrete output channels at the maximum published ratings results in significant power dissipation The robust internal circuits are designed to handle the power requirements but channel density and the compact module enclosure limit the ability to dissipate power When the MAQ20 DIOL module is installed in a system with adjacent MAQ20 I O modules which also dissipate significant power power dissipation is further limited When possible a MAQ20 DIOL module operated at maximum published ratings should be installed in a backbone slot next to I O modules with low power dissipation or located in a slot without adjacent I O modules MAQ20 DIOL derating over temperature given load and signal parameters is shown in Figure 16 Figure 17 Figure 18 and Table 8 below All data reflects worst case operating condition with the MAQ20 DIOL module installed in a backbone and no adjacent MAQ20 I O modules Special Function ratings are for a single implementation of the function Further derating is required if adjacent modules dissipating maximum power are present if the system is installed in a location with minimal ventilation or if multiple instances of a Special Function are used Contact the factory for details in these situations MAQ20 DIOL Derating All Discrete Output Channels operated simultaneously with the same static load 2 5 Load A DC NO 1 5 40 25 85 Temperature
33. ating Temperature Storage Temperature Relative Humidity Emissions EN61000 6 4 Radiated Conducted Immunity EN61000 6 2 RF ESD EFT Certifications 1 Refer to Section 12 3 for details Page 38 of 60 Typical at Ta 25 C and 24VDC system power Description 5 Isolated Channel Discrete Input 3 60 VDC 5 Isolated Channel Discrete Output 3 60 VDC 4 Isolated Channel Discrete Input 90 280 VAC VDC 4 Isolated Channel Discrete Output 24 280 VAC Individually configurable for default output special function 7OVDC max Reverse Polarity Protected 350VAC VDC max ANSI IEEE C37 90 1 7OVDC max Reverse Polarity Protected 350VAC VDC max ANSI IEEE C37 90 1 1500Vrms 1 min 300Vrms 425VDC ANSI IEEE C37 90 1 25us 55us 20us 40us 20ms 30ms VAC 1ms 1ms VDC 0 5 Cycle Freq to 10kHz Count to 10M RPM to 65k Freq to 3kHz Count to 10M Freq to 500Hz Periods Pulse Width Period Duty Cycle Min Max Avg Selectable Timebase Up to 700Hz 1 error 10KHz 14 error 200us min period Selectable Timebase 100us min Programmable Pre and Post Delay 3500 Ch s High High High Low Low Low 30mA 4 51 x 0 60 x 3 26 114 6mm x 15 3mm x 82 8mm 40 C to 85 C 40 C to 85 C 0 to 95 non condensing ISM Group 1 Class A ISM Group 1 Performance A 0 5 Span Error Performance B Heavy Industrial CE ATEX Pending UL Class I Division 2 Groups A B C D Pending P DATAFORTH MA1043 MAQ20 DIOL H
34. ccesccosetecanhasanadaredaaasatatanadanadatadaaatatadanadanadatataaatatatanadanadatudananatadatanaas 5 7 0 Manann ESC EEE AAAA 6 8 0 ENN e T ee ee ne 7 9 0 MAQ 20 I O Module Registration 8 10 0 Reading Discrete Input Channels and Writing Discrete Output Channels sss sese eee eee e 12 TEO See 15 12 0 Special Function Description and Configuration ccccccccsesecceeeeseeeeseeeeseeeeeeeeseeeeseeeeseeeseeeees 16 12 1 Special Function 1 Pulse Frequency Counter cccccccsecceeceeeeeeeaeeeeeeeeeseeeeseeesseeesseeesseeesaaees 20 12 2 Special Function 2 Pulse Frequency Counter with Debounce rrrnnnrrrnnrernnrennnrrnnnrennnrennnrennnr 21 12 3 Special Function 3 Waveform Measurement ee eee eee eee ee eee 22 12 4 Special Function 4 Time Between Events sese eee 23 12 5 Special Function 5 Frequency Generator eee ee eee 24 12 6 Special Function 6 Pulse Width Modulation Generator sss eee eee eee 25 12 7 Special Function 7 One Shot Pulse Generator ee eee eee 26 10 00 EEE EEE 27 14 0 Setting and Monitoring Alarms rrnnrnnnnnrnnnevnnnennnrrnanrrnnnrrnanernanernanennanennasennasennasennasennnsennasennnnene 29 15 0 Reset Functions rrnrennnnnnrnnnrvnnnnnrvannnnrnnnrnnnsnnrnnnrnnnsnnsnnnennnnnunnnnennnsnnnnnnennnennnnnnennnsnnnnnnrnnnennsenn 35 16 0 Module Identification and Status Registers e sees eee 36 10 8 269 0 160 0 NN EN NE EN 36 Br JAN 38 ET WISE UNG SG 39 19 0
35. channel states can be read from a single register at reference address 1010 QDDAAFORTH pane 13 of 60 MA1043 MAQ20 DIOL Hardware User Manual Channel Data and operation is summarized in Table 2 Table 2 Discrete I O Channel Data Storage in Registers Address Channel Daa Z 1 1000 DOO O switchclosed 1 switchopen LSB 1001 DOT O switcholosed 1 switchopen 1002 DO2 O switcholosed 1 switchopen E 1 SS DIO 0 input gt threshold 1 input lt threshold O input gt threshold 1 input lt threshold gt O input gt threshold 1 input lt threshold gt Al DO amp DI Decimal equivalent of 10 digitvalue Example A MAQ20 DIOL module with serial number 1234567 89 is installed in a system and has been assigned a Registration Number of 4 Set Discrete Output Channels 0 1 and 2 to switch closed and read the state of Discrete Input Channels 0 1 2 3 and 4 Assume the channel data in registers 1000 to 1009 is 0001101101 The MAQ20 DIOL module with s n 1234567 89 has an address offset of 2000 4 8000 Write to register address 8000 1000 9000 a data value of 0 to close channel DOO Write to register address 8000 1001 9001 a data value of 0 to close channel DO1 Write to register address 8000 1002 9002 a data value of 0 to close channel DO2 Read from register addresses 8000 1005 to 1009 9005 to 9009 the Current Data from the D
36. e 1900 1999 Status Registers Start Qty of Data har RW Sore Te Ka Range pe 0 Normal R W 1901 0 Normal 1 Brownout Flag 0 or 1 INT16 1 Brownout Reset 1902 I2C Error I2C TX Error Counter 0 to 65 535 INT 16 1903 I2C Error I2C RX Error Counter 0 to 65 535 INT16 Increments when a value 1906 R W 1 Numeric Error received is outside of the 0 to 65 535 INT16 allowed range UART RX Error Counter 1908 UART RX Error FE 0 to 65 535 INT16 UART RX Error Counter 1909 UART RX Error Command Too Long 0 to 65 535 INT16 UART RX Error Counter 1910 R W 1 UART RX Error Command received in invalid 0 to 65 535 INT 16 state CODATA pane 57 of 60 MA1043 MAQ20 DIOL Hardware User Manual DATAFORTH WARRANTY Applying to Products Sold by Dataforth Corporation a General Dataforth Corporation Dataforth warrants that its products furnished under this Agreement will at the time of delivery be free from defects in material and workmanship and will conform to Dataforth s applicable specifications or if appropriate to buyer s specifications accepted in writing by Dataforth DATAFORTH S OBLIGATION OR LIABILITY TO BUYER FOR PRODUCTS WHICH DO NOT CONFORM TO THE ABOVE STATED WARRANTY SHALL BE LIMITED TO DATAFORTH AT DATAFORTH S SOLE DISCRETION EITHER REPAIRING REPLACING OR REFUNDING THE PURCHASE PRICE OF THE DEFECTIVE PRODUCT S PROVIDED THAT WRITTEN NOTICE OF SAID DEFECT IS RECEIVED BY DATAFORTH WITHIN THE TIME PERIODS SET F
37. e day delivery information turnaround We maintain an ample inventory that allows small quantity orders to be shipped from stock Dataforth operates under an IS09001 2008 quality management system Contacting Dataforth Corporation Contact Method Contact Information echnical anas an Technical Support techinfo dataforth com Website Cs dattaforth com O S Website www dataforth com Phone CC 520 741 1404 and toll free 800 444 7644 Fax gt 520 741 0762 Dataforth Corporation 3331 E Hemisphere Loop Tucson AZ 85706 USA Errata Sheets Refer to the Technical Support area of Dataforth s website www dataforth com for any errata information on this product i DD DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual 1 0 System Features The MAQ 20 Data Acquisition System encompasses more than 25 years of design excellence in the process control industry It is a family of high performance DIN rail mounted programmable multi channel industrially rugged signal conditioning I O and communications modules Instrument Class Performance e 0 035 Accuracy e Industry leading 0 3C CJC Accuracy over full operating temperature range e Ultra low Zero and Span Tempco e Over range on one channel does not affect other channels e 1500Vrms Channel to Bus Isolation e 240Vrms Continuous Field I O Protection e ANSI IEEE C37 90 1 Transient Protection e Ventilated Communications and I O Modules e Industrial Operating Temperature of 40 C t
38. e last state saved to EEPROM Reset to Default reverts the module to the settings used at the factory during manufacture It performs the standard reset actions plus resets most non volatile parameters to default settings Table 7 shows what parameters are affected for each reset Table 7 Parameters Affected by Standard Reset and Reset to Default RESET TYPE PARAMETERS Disables all Alarms Standard Reset Sets Discrete Output Channel states to user defined Default states Sets Discrete Input Channel states to 1 Input lt Threshold Sets Special Function parameters to user defined values Resets Min Max and Average registers to 0 Clears all Status and Diagnostic registers All parameters listed under Standard Reset plus Reset to Default Sets Discrete Output Channel Default states to 1 Switch open Set Special Functions to 0 No Special Function Selected Sets Special Function parameters to factory default values Clears all Alarm Limits and Deadbands Reset Registers Writing a valid data value to the Reset Register will force the module to perform a specified reset Write 0 to perform Standard Reset or write 255 to perform Reset to Default NOTE The MAQ 20 I O modules send a response to the reset register write before carrying out the reset This means the module will be unresponsive to commands for approximately 3 seconds Power On Reset POR and Brownout MAQ920 I O modules utilize a brown out detect circuit and watchdog timer
39. e set from 1 to 10 Million or can be set to 0 to measure waveforms continuously High Low or High High Low Low alarms can be configured for this function and dedicated discrete output channels can be set when alarm conditions are reached Reference Section 14 0 for details on using alarms If the special function is disabled by writing a number other than 4 to the register Gomer pagengof6l MA1043 MAQ20 DIOL Hardware User Manual at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values 12 5 Special Function 5 Frequency Generator The Frequency Generator function uses discrete output channel DOO if Timer 0 is used to implement the function or discrete output channel DO2 if Timer 1 is used to implement the function square wave output is generated on the respective discrete output channel Waveform frequency is set by writing to a register Minimum frequency is 0Hz and maximum frequency is 700Hz for 1 error or TOkHz for 14 error The output is enabled or disabled by arming or disarming the function Figure 12 shows a typical waveform and output channels used to implement the function Output Signal DOO Timer 0 DO2 Timer 1 Figu
40. ed for standard discrete I O If a Special Function is enabled and data is written to a discrete output committed to that function an error will be returned Paget6ot60 0 CODATA MA1043 MAQ20 DIOL Hardware User Manual Depending on which timer is used to implement a given Special Function discrete I O channels are assigned to Special Functions as shown in Table 4 Table 4 Discrete I O Channel Assignments for Special Function lO Channel Channel Assignment Assignment Special Special for Special for Special Function Function Channel Channel Functions Functions Number Description Type Function using Timer 0 using Timer 1 EE External Counter ma ES me Frequency Counter Debounced w Debounce Version of Input DO2 Signal Waveform Between Frequency Output Output Signal 1 DO2 PWM 0 e Generator One Shot Output Signal Pulse aje QDDAAFORTH pane 17 of 60 MA1043 MAQ20 DIOL Hardware User Manual Special Functions are specified and configured using a series of registers starting at reference address 1100 for Timer 0 and reference address 1200 for Timer 1 Each Special Function has a different set of information stored in these registers To set and configure a Special Function write the appropriate code to reference address 1100 or 1200 then write the appropriate information to reference addresses 1101 through 1190 for functions implemented on Timer 0 or 1201 through 1290 for functions implemented on Timer 1 as shown
41. ent 1 Input Signal 1 DIO Timer 0 DI2 Timer 1 set to positive edge trigger Time Time Input Signal 2 Between Between DI1 Timer 0 Events Events DI3 Timer 1 set to positive edge Trigger Figure 11 Time Between Events Operation This function uses discrete input channel DIO for Input Signal 1 and DI1 for Input Signal 2 if Timer 0 is used to implement the function or discrete input channel DI2 for Input Signal 1 and DI3 for Input Signal 2 if Timer 1 is used to implement the function Input levels over 1 6V are detected as high and input levels below 1 6V are low The MAQ20 DIOL module uses inverted logic so inputs over the threshold are reported as logic 0 and inputs below the threshold are reported as logic 1 Edge triggering for each event can be set to positive or negative Time between events measurement Is enabled or disabled by arming or disarming the function The timebase is selected based on the waveforms to be measured in order to obtain the best measurement resolution and performance The average weight for time between event measurements can be set as applications require The measured time between events is stored as current average min and max values Measured parameters are reset by writing to corresponding registers Time between events parameters are computed continuously up to the limit set in the Events to Measure register using the specified average weight and are stored in registers Events to Measure can b
42. er to Section 9 0 for further details on Registration Number Address Range 100 499 Module Configuration Start Qty of Data Addr Addrs Contents Description Data Range type 100 10 Channel Confi Input or Output pu INT16 g p p 2 Output Address Range 1000 1299 Module Data and Special Function Selection Start Qty of Data Example i S re Starting at address 1009 and Ca Bel SERA DIO States decreasing to address 1000 aose d Binary MSB to LSB DI4 to DIO and 1 switch open Representation DO4 to DOO 1011011000 7 1000 R W 10 Inverted Logic Data written to an input DIO D14 channel will be ignored Data Inverted Logic Addr 1000 LSB written to an output channel 0 input gt Addr 1009 MSB committed to a Special re Function returns an error Default 1 for all channels Vp threshold Example 728 the decimal DIO States l i equivalent of the binary wane 2 number above MSB to LSB te INES mene q 1011011000 Default 1023 Channel configuration is stored in a series of 10 registers starting at reference address 100 Discrete output and discrete input channels in the module are fixed and cannot be changed This data can be read if desired for host software detection of module channel configuration Discrete input channels are read and discrete output channels are written using a series of 10 registers starting at reference address 1000 In addition the decimal equivalent of the 10 digit value representing
43. external signal applied to discrete input channel DI1 if Timer 0 is used to implement the function or discrete input channel DI3 if Timer 1 is used to implement the function The external enable can be configured as either active low or active high High Low or High High Low Low alarms can be configured for this function and dedicated discrete output channels can be set when alarm conditions are reached Reference Section 14 0 for details on using alarms If the special function is disabled by writing a number other than 1 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values Page20ot0 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual 12 2 Special Function 2 Pulse Frequency Counter with Debounce The Pulse Counter with Debounce function uses discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel Dl2 if Timer 1 is used to implement the function Pulses on the input are cumulatively counted to an upper limit of 10 000 000 Input levels over 1 6V are detected as high and input levels below 1 6V are low The MAQ20 DIOL module uses inverted logic so inputs over the threshold are reported as
44. f all functions data read write and data storage Table columns list the following information Start Address Start address for the specified quantity of addresses The start address is offset by 2000 R where R is the module Registration Number R W Indicates whether data at the address is Read Write or both Quantity of Addresses The number of 16 bit addresses reserved for the specified contents Contents Parameter stored at the specified address Description Details examples limits and default values for the parameter stored at the specified address Data Range Valid data read from or written to an address range Data not in this range which is written to an address may return a Modus Exception 3 Illegal Data or may be ignored Data Type The type of data stored at the specified address ASCII 0123456789ABCDEFGHIJKLMNOPQRSTUVW XY Zabcdefghijkimnoparstuvwxyz INT16 16 bit integer value 0 to 65535 unless otherwise indicated Stored at a single address INT32 32 bit integer value 0 to 4294967295 unless otherwise indicated Stored at two 16 bit addresses MSB is stored at address N LSB is stored at address N 1 Gomer pagedtof6o MA1043 MAQ20 DIOL Hardware User Manual NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Number Refer to Section 9 0 for further details on Registration Number Start Addr Address Range 0 99 Module Information Qty
45. given sequence by adding modules one at a time or it can be allowed to happen randomly For further details see Sections 6 0 7 0 and 8 0 The system does not identify I O modules by physical position on a backbone only by registration sequence MAQ20 940 ReDAQ Shape Software for MAQ 20 and MAQ20 945 MAQ 20 Configuration Software Tool provided by Dataforth show a graphical representation of a system based on registration sequence and not by physical position Tools within each software package allow the user to reassign Registration Numbers thereby making graphical representations match physical location for a single local backbone Module Detect A write to the Module Detect Register at I O module address 98 plus the module offset based on Registration Number will blink the STAT LED on the top angled surface of the module at a 5Hz rate for 5 seconds so the module location in a system can be visually identified Each module is assigned an address space of 2000 addresses based on the Registration Number and starting at address 2000 I O module with Registration Number 1 is assigned address space 2000 3999 I O module with Registration Number 2 is assigned address space 4000 5999 and so on The starting address for the module is very important because this is the offset address that must be added to the addresses listed in the I O module address map to know where data for that module is located within the system level address map The MA
46. guration Selects Tracking or Latching alarms for a given channel and selects which limits trip the alarm High Low High High or Low Low There is a register for each channel The value written to this register is the sum of the codes for the Alarm Type and Alarm Limits Refer to Section 14 0 for the specific codes If an invalid value is written to this register the value will be ignored and the last valid value that the register contained will be kept If a 0 is written to the register the Alarm Enable register for the channel will be set to 0 and alarms that the channel has tripped will be cleared Tracking alarms follow the value of the input signal and reset automatically when the signal comes back into the valid range specified by the limit and deadband Latching alarms trip when the signal exceeds the alarm condition and remain set until reset by the user High Limit Sets the value for the High limit in counts Alarm status is stored in a register Low Limit Sets the value for the Low limit in counts Alarm status is stored in a register High Low Deadband Used for the High and or Low limits to prevent false tripping or alarm chatter for noisy signals Deadband is the region less than the High limit or greater than the Low limit measured in counts which the signal must traverse through before the alarm is reset after being tripped High High Limit Sets the value for the High High limit in counts Alarm status is stored in a register
47. h are to be replaced Replace the modules with others of the same or different model numbers Modules can be installed in any vacant local or remote backbone position Label and connect input output wiring to the I O module and if desired record physical position in the system 2 Apply system power and observe that each module has the green Power LED on and communications activity is seen on the TX and RX LEDs Allow 5 seconds for full system registration Replaced modules have now been assigned the Registration Numbers of those removed but in a random sequence not associated with the physical position on the backbone Modules which were not replaced retain their assigned Registration Numbers NOTES Once the registration process is complete Registration Numbers are permanent as long as I O modules are not removed from or added to a system When system power is cycled or the system is reset I O module Registration Numbers will always remain the same Tools within MAQ20 940 ReDAQ Shape Software for MAQ 20 and MAQ20 945 MAQ 20 Configuration Software Tool allow the user to reassign Registration Numbers For further details see Section 9 0 Module Detect A write to the Module Detect Register at I O module address 98 plus the module offset based on Registration Number will blink the STAT LED on the top angled surface of the module at a 5Hz rate for 5 seconds so the module location in a system can be visually identified pan ga a ED
48. idth is 100us and is set by writing to a register Pulse polarity can be selected as positive or negative with settable pulse width high or low respectively The timebase is selected as seconds milliseconds or microseconds based on the waveform to be generated in order to obtain the best resolution and performance Pulses generated are cumulatively counted to an upper limit of 10 000 000 This count is reset by writing to a register A pulse count limit can be set which disarms the function after the limit is reached Pulse generation is triggered through software by writing to a register or by using an external signal applied to discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel Dl2 if Timer 1 is used to implement the function External signal edge triggering can be set to positive or negative Pre delay before the pulse is generated and post delay after the pulse is generated both have a minimum value of 100us and are set by writing to respective registers In Figure 14 below a discrete input channel is used to trigger the one shot pulse After the discrete input channel trigger is detected the specified pre delay period is counted before the output signal is generated After the pulse is generated with the specified pulse width the specified post delay period is counted before the function will accept another discrete input channel trigger Input Signal Trigger DIO Timer 0 DI2 Timer 1 se
49. intenance involves a simple three step process STANDARD MAINTENANCE PROCESS 1 Turn system power on and observe communications activity on the I O modules 2 CASE 1 I O module is suspected faulty and is to be replaced with the same model number Remove a single MAQ 20 I O module from any local or remote backbone position Replace the module with another of the same model number This module can be installed in any vacant local or remote backbone position Observe that the green Power LED is on and communications activity is seen on the TX and RX LEDs Allow 1 second for registration This module now has the same Registration Number as the one removed CASE 2 I O module is to be replaced with another having a different model number Remove a single MAQ 20 I O module from any local or remote backbone position Replace the module with another having a different model number This module can be installed in any vacant local or remote backbone position Observe that the green Power LED is on and that there is communications activity on the TX and RX LEDs Allow 1 second for registration This module now has the same Registration Number as the one removed Label and connect input output wiring to the I O module and if desired record physical position in the system 3 Repeat Step 2 for any remaining MAQ 20 I O modules in the system requiring maintenance ALTERNATE MAINTENANCE PROCESS 1 With system power off remove any I O modules whic
50. is only one MAQ20 COMx module installed in the system ALM Normal operation Off Alarm Condition Detected RED solid lit One or more alarms have been tripped Read Alarm Registers based on Alarm Configuration to determine system status The following troubleshooting tips can be used to further diagnose and fix system problems Remove and reinstall MAQ 20 I O module and or MAQ20 COMx module to verify proper insertion into Backbone Remove and reinstall MAQ 20 I O module into another backbone position f a Backbone extension cable is used ensure that the connections are made correctly CDATA ee 37 of 60 MA1043 MAQ20 DIOL Hardware User Manual 18 0 Specifications MAQ20 DISCRETE INPUT OUTPUT MODULE Model Number MAQ20 DIOL MAQ20 DIOH PRELIMINARY Per Channel Setup Input Protection Continuous DIOL Continuous DIOH Transient Output Protection Continuous DIOL Continuous DIOH Transient CMV Channel to Bus Channel to Channel Transient Switching Characteristics MAQ20 DIOL Input Channel Turn On Turn Off Time Output Channel Turn On Turn Off Time MAQ20 DIOH Input Channel Turn On Turn Off Time Output Channel Response Time I O Special Functions Pulse Frequency Counter Pulse Frequency Counter w De Bounce Waveform Measurement Time Between Events Frequency Generator PWM Generator One Shot Pulse Generator Scan Update Rate Alarms Power Supply Current Dimensions h w d Environmental Oper
51. iscrete Input Channels Read from register address 8000 1005 9005 the data from Channel DIO 0 above threshold Read from register address 8000 1006 9006 the data from Channel DI1 1 below threshold Read from register address 8000 1007 9007 the data from Channel DI2 1 below threshold Read from register address 8000 1008 9008 the data from Channel DI3 0 above threshold Read from register address 8000 1009 9009 the data from Channel DI4 1 below threshold The resulting bit pattern at register addresses 9000 to 9009 presented LSB to MSB is 0001101101 Read from register address 8000 1010 9010 the decimal equivalent of the discrete IO states Using the data above a value of 728 is read which equates to 1011011000 MSB to LSB this is the same as the data in registers 9000 to 9009 Page 14 of 60 E DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual 11 0 Setting Default Outputs The five discrete output channels in the MAQ20 DIOL module have user configurable default output values which are set upon power cycle and when a Reset to Default command is issued These are used to put a system or application in a known safe state at startup or under non standard operating conditions The Address Map for the MAQ20 DIOL module is found at the end of this manual An excerpt from the Address Map is shown below NOTE When a module is registered in a system addresses are offset by 2000 R where R is the Registration Nu
52. istration Number 2 3 etc The Registration Number sequence matches the physical sequence of module installation ALTERNATE SETUP PROCESS 1 Do not apply power Install a MAQ20 BKPLx backbone in a DIN rail then insert a MAQ20 COMx module in the left most position and install all required MAQG20 lO modules in any vacant local or remote backbone position Label and connect field wiring to the I O Module and if desired record physical position in the system 2 Apply system power and observe that each module has the green Power LED on and communications activity is seen on the TX and RX LEDs Allow 5 seconds for full system registration All modules have now been assigned Registration Numbers but in a random sequence not associated with the physical position on the backbone NOTES Once the registration process is complete Registration Numbers are permanent as long as I O modules are not removed from or added to a system When system power is cycled or the system is reset I O module Registration Numbers will always remain the same I O modules in a system are identified in general by their model number MAQ20 VDN MAQ20 JTC etc and uniquely by their Serial Number printed on the side label i e 1234567 89 When I O modules are installed in the system only a general identifier is visible on the front of the module V I TCPL etc Wire tags or additional labeling applied to the module terminal block may be used for visible unique ide
53. mber Refer to Section 9 0 for further details on Registration Number Address Range 100 499 Module Configuration Start Qty of Data Addr aT ddrs Contents Description Data Range type 100 0 Channel Confi Input or Output Ui INT 16 g p p 2 Output DOO DO4 R W Default Output Discrete Output Default State 0 Switch Config Default 1 for all channels Closed 1 Switch Open Save to 0 Saves Channel Config NOTE THE MAQ20 DIOL MODULE USES INVERTED LOGIC LOGIC 0 READ FROM A DISCRETE INPUT CHANNEL INDICATES THAT THE SIGNAL ON THE INPUTS IS ABOVE THE THRESHOLD AND LOGIC 1 INDICATES THAT THE SIGNAL IS BELOW THE THRESHOLD WRITING A 0 TO A DISCRETE OUTPUT CHANNEL CLOSES THE SOLID STATE SWITCH AND WRITING A 1 OPENS THE SWITCH Example A MAQ20 DIOL module with serial number 1234567 89 is installed in a system and has been assigned a Registration Number of 4 Set the Default Output Value for Discrete Output Channels 0 and 1 to switch open and for Channels 2 3 and 4 to switch closed The MAQ20 DIOL module with s n 1234567 89 has an address offset of 2000 4 8000 Write to register address 8000 100 8100 a data value of 1 to set DOO default state to open Write to register address 8000 101 8101 a data value of 1 to set DO1 default state to open Write to register address 8000 102 8102 a data value of 0 to set DO2 default state to closed Write to register address 8000 103 8103 a data value of 0 to set DOS default s
54. mmunications Module Hardware User Manual MA1043 MAQ 20 Discrete I O Module Hardware User Manual MA1037 MAQ 20 Configuration Software Tool User Manual MA1038 MAQ 20 ReDAQ Shape for MAQ 20 User Manual MAQ20 940 ReDAQ Shape Software for MAQ 20 Developer Version MAQ20 941 ReDAQ Shape Software for MAQ 20 User Version MAQ20 945 MAQ920 Configuration Software Tool MAQ20 951 IPEMotion Software for MAQ 20 pan Sar a 0 DEUR MA1043 MAQ20 DIOL Hardware User Manual 3 0 Unpacking Each MAQ920 Data Acquisition System component is shipped in electro static discharge ESD protective packaging Use appropriate ESD protection measures while unpacking Check visually for physical damage If physical damage is noted file a claim with the shipping carrier 4 0 Module Dimensions and I O Connections m 0 603 in 4 275 in 15 3 mm 108 6 mm Terminal 3 391 in 78 7 mm 86 1 mm 83 0 mm plus din rail base thickness 0 255 in 6 5 mm C 190000 angeo IES e 4 512in 114 6 mm Figure 1 Module Dimensions Table 1 I O Terminal Block Connections SPECIAL ALARM OUTPUT TERMINAL BLOCK POSITION MAQ20 DIOL FUNCTION ASSIGNMENT ERR SAE TR BOTTOM FIELD CONNECTIONS ASSIGNMENT ean Um H 4 poem our 1 1 5 DOCH2 OUT Sec 12 0 Table 4 Sec 14 0 Table5 6 poem or gt 8B DOCH OUT pf po OCHA OUT pf OCHA OUT
55. n Figure 3 below 15 p c w NG di ANE I PP PEEL PLPPPEL seen i Ha E R 99 L LLL EE EF Ss Sa ES Sa ES ES ES ES ES Se fs Ss Se ES ES Ee oe mm mm mm Se oe oe ville tii FER kea F Figure 3 Possible System Configurations Page 4 of 60 0 DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual 6 0 Building a System An automated I O module registration process reduces system setup to three basic steps STANDARD SETUP PROCESS 1 Install a MAQ20 BKPLx backbone in a DIN rail then insert a MAQ20 COMx module in the left most position and apply power 2 Install any MAQ 20 I O Module in any vacant local or remote backbone position Observe that the green Power LED is on and communications activity is seen on the TX and RX LEDs Allow 1 second for registration This module has now been assigned Registration Number 1 Label and connect field wiring to the I O Module If desired record module physical position in the system 3 Repeat Step 2 for all remaining MAQ 20 I O modules in the system Subsequent modules installed are assigned Reg
56. nguage Solution gt Programming examples and LabVIEW Vis DATAFORTH Page 1 of 60 MA1043 MAQ20 DIOL Hardware User Manual 2 0 System Description and Documentation A MAQ 20 Data Acquisition System must have as a minimum a Communications Module a Backbone and one I O Module Examples include MAQ20 COMx Communications Module with Ethernet USB and RS 232 or RS 485 Interface MAQ20 DIOx Discrete Input Output Module MAQ20 xTC Type x Thermocouple Input Module MAQ20 mVxN VxN Voltage Input Module MAQ20 IxN Process Current Input Module MAQ20 1O VO Process Current Output and Process Voltage Output Module MAQ20 BKPLx x Channel System Backbone Refer to www dataforth com for a complete listing of available modules and accessories System power is connected to the Communications Module which in turn powers the lO modules For systems with power supply requirements exceeding what the Communications Module can provide the MAQ20 PWR3 Power Supply module is used to provide additional power When a MAQ920 I O module is inserted into a system module registration occurs automatically data acquisition starts and data is stored locally in the module The system is based on a Modbus compatible memory map for easy access to acquired data configuration settings and alarm limits Information is stored in consistent locations from module to module for ease of use and system design MAQ 20 modules are designed for installation in Class I Division
57. nnels can be set when High High Low Low alarm conditions are reached Reference section 14 0 for details on using alarms If the special function is disabled by writing a number other than 2 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values 12 3 Special Function 3 Waveform Measurement The Waveform Measurement function can measure many waveform characteristics including frequency pulse width period duty cycle and number of events The maximum frequency which can be measured is 500Hz for 1 accurate duty cycle reporting or TOkHz if greater than 1 duty cycle accuracy is acceptable The maximum number of events which can be counted is 10 million and the timebase used for measurements can be selected as seconds milliseconds or microseconds Figure 10 shows two of the basic parameters that will be stored in registers Input Signal DIO Timer 0 DI2 Timer 1 Figure 10 Waveform Measurement Parameters This function uses discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel DI2 if Timer 1 is used to implement the function Input levels over 1 6V are detected as high and inp
58. ntification in an installed system MAQ20 940 ReDAQ Shape Software for MAQ 20 automatically assigns tag names to each input and output channel These can be changed by the customer to associate channels with input wiring or parameters measured and controlled The system does not identify I O modules by physical position on a backbone only by registration sequence MAQ20 940 ReDAQ Shape Software for MAQ 20 and MAQ20 945 MAQ 20 Configuration Software Tool provided by Dataforth show a graphical representation of a system based on registration sequence and not by physical position Tools within each software package allow the user to reassign Registration Numbers thereby making graphical representations match physical location for a single local backbone For further details see Section 9 0 Module Detect A write to the Module Detect Register at I O module address 98 plus the module offset based on Registration Number will blink the STAT LED on the top angled surface of the module at a 5Hz rate for 5 seconds so the module location in a system can be visually identified IDE aas 8 ar BO MA1043 MAQ20 DIOL Hardware User Manual 7 0 Maintaining a System The MAQ20 COMx Communications Module periodically scans the system and will detect if a MAQ 20 I O module has been removed from the system or has lost communications When this happens the module Registration Number will be released and available for reassignment Standard system ma
59. o 85 C e Wide Range 7 34VDC Power e CE Compliant UL CUL Listing and ATEX Compliance pending Industry Leading Functionality e The system is a Modbus Server and can be operated remotely with no local PC e Up to 4GB of logged data can be transferred via FTP during real time acquisition e Up to 24 I O modules or 384 channels per system per 19 rack width e Per channel configurable for range alarms and other functions e Backbone mounts within DIN rail and distributes power and communications e System firmware automatically registers the installation and removal of I O modules e O modules can be mounted remotely from the Communications Module e Equal load sharing power supply modules allow for system expansion e Hot Swappable I O modules with Field side pluggable terminal blocks on most models e Sophisticated package enables high density mounting in 3U increments e DIN Rail can be mounted on a continuous flat panel or plate Distributed Processing Enables Even More Functionality e Output modules are programmable for user defined waveforms e Discrete I O modules have seven high level functions gt Pulse Counter Frequency Counter Waveform Measurement Time Between Events Frequency Generator PWM Generator gt One Shot Pulse Generator VV VV Y Multiple Software Options e Free Configuration Software e Intuitive Graphical Control Software gt ReDAQ Shape Graphical HMI Design amp Runtime Solution gt IPEmotion Muli Vendor and Multi La
60. ode written to the Alarm Configuration register is the sum of numbers representing the parameter to monitor alarm type alarm limit and desired alarm output Table 6 on the next page details how this code is constructed Gomer pageotof6o MA1043 MAQ20 DIOL Hardware User Manual Table 6 Building the Alarm Configuration Value Alarm Configuration Value Parameter to Monitor Alarm Type Alarm Limit Alarm Output Parameter to Monitor Code Alarm Limit Code Pulse Count Events 1000 pr 10 Measured Latching Positive Pulse Width 4000 Events High High High eoo Alarm Output High Low Alarm for High High Low Low High Low Alarm for High High Low Low Special Function on Alarm for Special Special Function on Alarm for Special Timer 0 Function on Timer 0 Timer 1 Function on Timer 1 Code 7 If the Alarm Configuration Value 0 the Alarm is Off Disabled The Alarm for a given channel cannot be turned On Enabled until a valid non zero value is written to the Alarm Configuration register Example A MAQ20 DIOL module with serial number 1234567 89 is installed in a system and has been assigned a Registration Number of 4 Configure the module for Pulse Counter Special Function 1 on Timer 0 Set a Tracking Alarm on the Pulse Counter function to monitor pulses counted with a High limit of 100 pulses and a High High limit of 200 pulses When the High limit is reached close discrete output channel 0 and when
61. or 6 PWM Generator 7 One Shot Pulse Generator 0 None Default 1 Pulse Freq Ctr 2 Pulse Freq Ctr w Debounce 3 Waveform Measurement 4 Time Between Events 5 Frequency Generator 6 PWM Generator P DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual Special Function 1 Pulse Frequency Counter Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of n Data TT Oo RW 1 Function 1 Pulse Frequency Counter INT16 Special Function 3 Waveform Measurement Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of G Data TT Example A MAQ20 DIOL module with serial number 1234567 89 is installed in a system and has been assigned a Registration Number of 4 Configure the module to have Pulse Frequency Counter and Waveform Measurement Special Functions The MAQ20 DIOL module with s n 1234567 89 has an address offset of 2000 4 8000 Write to register address 8000 1100 9100 a data value of 1 to set the Pulse Frequency Counter Special Function to operate on Timer 0 Connect the input signal to be measured to channel DIO and if an external trigger is to be used connect it to channel DI1 Write to register address 8000 1200 9200 a data value of 3 to set the Waveform Measurement Special
62. or liability shall arise or grow out of Dataforth s rendering of technical advice facilities or service in connection with buyer s order of the products furnished hereunder e Warranty Procedures Buyer shall notify Dataforth of any products which it believes to be defective during the applicable warranty period and which are covered by the Warranty set forth above Buyer shall not return any products for any reason without the prior authorization of Dataforth and issuance of a Return Material Authorization RMA number After issuance of a RMA number such products shall be promptly returned by buyer and in no event later than thirty 30 days after the Warranty expiration date transportation and insurance prepaid to Dataforth s designated facility for examination and testing Dataforth shall either repair or replace any such products found to be so defective and promptly return such products to buyer transportation and insurance prepaid Should Dataforth s examination and testing not disclose any defect covered by the foregoing Warranty Dataforth shall so advise buyer and dispose of or return the products in accordance with buyer s instructions and at buyer s sole expense P DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual and buyer shall reimburse Dataforth for testing expenses incurred at Dataforth s then current repair rates f Repair Warranty Dataforth warrants its repair work and or replacement parts for a period
63. pecified Minimum High Time the debounced signal transitions high and when input signal pulses have a low time longer than the user specified Minimum Low Time the debounced signal transitions low High High Time Time Input Signal DIO Timer 0 DI2 Timer 1 Debounced Signal DOO Timer 0 DO2 Timer 1 Figure 9 Pulse Counter with Debounce Operation The Frequency Counter with Debounce function uses discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel DI2 if Timer 1 is used to implement the function Frequency is measured from 0 Hz to an upper limit of 3 000 Hz Input signals can have any waveshape but must cross through 1 6V to be detected as high or low Minimum Low Time interval and High Time interval for valid pulses are specified in increments of 100us These can be used to prevent false triggering from invalid signals A debounced version of the input signal is provided on discrete output channel DOO if Timer 0 is used to implement the function or discrete output channel DO2 if Timer 1 is used to implement the function This output can be enabled or disabled by writing QDDATAFORTH oe 21 of 60 MA1043 MAQ20 DIOL Hardware User Manual to a register Edge triggering can be set to positive or negative Frequency measurement is enabled or disabled by arming or disarming the function High Low or High High Low Low alarms can be configured for this function and dedicated discrete output cha
64. r requests should be directed to the Dataforth Customer Service Department at 520 741 1404 If a product return is required request a Return Material Authorization RMA number You should be ready to provide the following information 1 Complete product model number 2 Product serial number 3 Name address and telephone number of person returning product 4 Special repair instructions 5 Purchase order number for out of warranty repairs The product should be carefully packaged making sure the RMA number appears on the outside of the package and ship prepaid to Dataforth Corporation 6230 S Country Club Tucson AZ 85706 USA An RMA Request Form and instructions for processing are also found at www dataforth com The information provided herein is believed to be reliable however DATAFORTH assumes no responsibility for inaccuracies or omissions DATAFORTH assumes no responsibility for the use of this information and all use of such information shall be entirely at the user s own risk Application information is intended as suggestions for possible use of the products and not as explicit performance in a specific application Prices and specifications are subject to change without notice No patent rights or licenses to any of the circuits described herein are implied or granted to any third party DATAFORTH does not authorize or warrant any DATAFORTH product for use in life support devices and or systems MAQ20 DIOL Hardware U
65. re 12 Time Between Events Operation If the special function is disabled by writing a number other than 5 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values pans SA aran DR MA1043 MAQ20 DIOL Hardware User Manual 12 6 Special Function 6 Pulse Width Modulation Generator The Pulse Width Modulation Generator function uses discrete output channels DO0 and DO1 if Timer 0 is used to implement the function or discrete output channels DO2 and DOS if Timer 1 is used to implement the function One or two output signals can be generated for each implementation of the function If two signals are generated using a given Timer both will have the same period but duty cycle for each can be independently controlled Output DOO for Timer 0 implementation or output DO2 for Timer 1 implementation are automatically enabled when the function is configured Output DO1 for Timer 0 implementation or output DOS for Timer 1 implementation are enabled or disabled by writing to a register All PWM outputs are enabled or disabled by arming or disarming the function Period and each output low time are set by writing to a register Minimum period is
66. ress 12 0 to 10 Million INT32 LSB at Address 13 A write to this address resets the counter ee High Time MSB at Address 14 0 to 10 Million INT32 LSB at Address 15 A write to this address resets the counter MSB at Address 16 LSB at Address 17 i Bogen ee O gt 2 Avg Low Time 0 to 10 Million INT32 QDDATAFORTH pane 49 of 60 MA1043 MAQ20 DIOL Hardware User Manual Special Function 3 Waveform Measurement Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Start Read Qty of De Data dd Write Addrs Contents Description Data Range type A write to this address resets the counter MSB at Address 18 LSB at Address 19 A write to this address resets the counter MSB at Address 20 LSB at Address 21 A write to this address resets the counter MSB at Address 22 LSB at Address 23 A write to this address resets the counter MSB at Address 24 LSB at Address 25 A write to this address resets the counter MSB at Address 26 LSB at Address 27 0 seconds 30 R W 1 Timebase 1 milliseconds Default 0 to 2 INT16 2 microseconds 0 Negative Edge Default 1 Positive Edge Number of periods to Evencio measure 0 Unlimited 7 32 R W 2 Pen Default 0 0 to 10 Million INT32 MSB at Address 32 LSB at Address 33 Is used to calculate Average Average Sampled Value
67. rite Saves to EEPROM INT16 Configuration Gomer page55of 60 MA1043 MAQ20 DIOL Hardware User Manual Special Function 7 One Shot Pulse Generator Start Addresses below are offset from address 1100 for Special Functions using Timer 0 or address 1200 for Special Functions using Timer 1 Read Qty of Data TT 7 One Shot Pulse Generator 7 INT 16 Pulse Count Limit Arm Disarm ROE O or 1 INT 16 1 armed arm 0 seconds Timebase 1 milliseconds Default O to 2 INT16 2 microseconds of pulses generated A write will reset the counter BG Pulse Count MSB at Address 4 0 to 10 Million INT32 LSB at Address 5 pulses to generate before disarming 0 no limit Default 0 0 to 10 Million INT32 MSB at Address 6 LSB at Address 7 Output Pulse 0 Positive Default Polarity 1 Negative oor mre 0 Register Write 20 Default Trigger 1 Negative Edge 0 to 2 INT16 2 Positive Edge Using timebase 100us min l Default 500 R Pulse Width MSB at Address 10 1 to 10 Million INT32 LSB at Address 11 Using timebase 100us min Default 100 a Pre delay MSB at Address 12 1 to 10 Million INT32 LSB at Address 13 Using timebase 100us min Default 100 a Post delay MSB at Address 14 1 to 10 Million INT32 LSB at Address 15 Software Trigger A write here triggers the pulse INT 16 Save Function Configuration Write Saves to EEPROM INT 16 Page56of60 0 CODATA MA1043 MAQ20 DIOL Hardware User Manual Address Rang
68. s indicate module power operation communication and alarm status z 3 S Z LED Function and Troubleshooting Tips PWR Normal operation BLUE solid lit LED Off Abnormal power situation Verify that a MAQ20 COM x is present in system Verify that the MAQ20 COMx module has 7 34VDC power connected and turned on Determine if the module is communicating by observing the TX and RX LEDs Page36of60 IDIWOR MA1043 MAQ20 DIOL Hardware User Manual STAT Normal operation GREEN 1 Hz blinking Module Detect A write to the Module Detect Register will force this LED to blink at 5Hz rate for 5 seconds so the module location in a system can be visually identified Referring to the Address Map this register is at address 98 offset from the module base address LED Constant On or Constant Off Abnormal operation Remove and reinstall module to force a reset Remove and reinstall module into another backbone position Determine if the module is communicating by observing the TX and RX LEDs RX TX Normal Operation YELLOW rapid blinking during communication with MAQ20 COMx module LED Constant Off Abnormal operation or no communications to MAQ20 COMx module Verify communications by sending a request for data Note that the fast communications rate used on the system backbone will result in the LED appearing dim due to short blinking cycle Verify that the PWR and STAT LED indicate normal operation Verify that there
69. ser Manual MA1043 Rev A January 2014 2014 Dataforth Corporation All Rights Reserved ISO9001 2008 Registered QMS Pageeooteo IDIWOR
70. st any and all claims damages and liabilities whatsoever asserted by any person entity industry organization government Or governmental agency of any country resulting Page 58 of 60 directly or indirectly i from any acts not authorized by Dataforth in writing or any statements regarding the products inconsistent with Dataforth s product documentation or standard warranty or ii from any breach or threatened breach by buyer or by any of its employees or agents of any term condition or provision of this Warranty or iii from any warranty representation covenant or obligation given by buyer to any third party and not expressly provided for in this Warranty or iv for any non compliance in any form of the products with any necessary or mandatory applicable laws regulations procedures government or industry policies or requirements related to the use sale or importation of the products Such indemnification shall include the payment of all reasonable attorneys fees and other costs incurred by Dataforth in defending such claim c Limitation on Damages 1 IN NO EVENT SHALL DATAFORTH ITS SUPPLIERS LICENSORS SERVICE PROVIDERS EMPLOYEES AGENTS OFFICERS AND DIRECTORS BE LIABLE FOR INDIRECT SPECIAL INCIDENTAL COVER ECONOMIC PUNITIVE ACTUAL EXEMPLARY CONSEQUENTIAL OR OTHER DAMAGES OF ANY NATURE INCLUDING WITHOUT LIMITATION LOST PROFITS OR REVENUES COSTS OF REPLACEMENT PRODUCTS LOSS OR DAMAGE TO DATA ARISI
71. ster Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values Page220f60 DEUR MA1043 MAQ20 DIOL Hardware User Manual 12 4 Special Function 4 Time Between Events The Time Between Events function measures the time between a specified event on one discrete input channel and another specified event on a second discrete input channel Other parameters measured are the frequency of the specified event pair occurrence inverse of the time between events and the number of times the specified event pair occurred The maximum frequency which can be measured is 10kHz the maximum event pair occurrences which can be counted is 10 million and the timebase used for measurements can be selected as seconds milliseconds or microseconds Timing starts when the second channel is in its specified triggered state and the first channel transitions to its specified triggered state Timing stops after the second channel transitions opposite its specified triggered state and then again transitions to its specified triggered state In the example shown in Figure 11 below Input Channel 1 has been set to positive edge triggering and Input Channel 2 has also been set to positive edge triggering When Channel 2 is high Event 1 occurs when Channel 1 transitions high Event 2 occurs after Channel 2 has transitioned low and then transitions high Ev
72. t to positive edge trigger Pre delay Pre delay Post delay Post delay Pulse Width Output Signal DOO Timer 0 DO2 Timer 1 Figure 14 One Shot Pulse Generator with Discrete Input Channel External Trigger If the special function is disabled by writing a number other than 7 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values Page260f60 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual 13 0 Alarm Functions The powerful alarm functions in the MAQ 20 Data Acquisition System provide essential monitoring and warnings to ensure optimum process flow and fail safe applications Alarms have the following parameters which can be configured Alarm Enable Enables the Alarm on a given channel provided that the Alarm Configuration Register has a valid configuration Set the bit corresponding to the given channel to a 1 to enable the alarm If the Alarm Configuration register for the given channel does not have a valid value the write will be ignored and the Alarm Enable bit will remain 0 Write a 0 to the bit corresponding to the given channel to disable the alarm and clear any alarms that have tripped Alarm Confi
73. tate to closed Write to register address 8000 104 8104 a data value of 0 to set DO4 default state to closed QDDAAFORTH en 15 of 60 MA1043 MAQ20 DIOL Hardware User Manual 12 0 Special Function Description and Configuration In addition to performing standard discrete I O the MAQ20 DIOL module can be configured to perform seven Special Function listed in Table 3 Table 3 Discrete I O Channel Usage for Special Function I O Function Discrete Channel Discrete Channel Inputs RUE Pulse Frequency Counter Signal Trigger Pulse Frequency Counter with Debounce Signal Trigger Debounced 3 ebounesd Signal Waveform Measurement Signal o Time Between Events 1 Signalt Signa2 Frequency Generator Signal Pulse Width Modulation PWM Signali Signal 2 The module has two timers referred to as Timer 0 and Timer 1 which are used for these functions Each timer can run one function which means two of the same or two separate Special Functions can run simultaneously on the module All functions except PWM have a single set of inputs and or outputs Each instance of the PWM function can have two outputs therefore a single module can have four PWM outputs if the function is run on both timers Each timer uses specific discrete input and discrete output channels to implement the Special Functions These are fixed and cannot be changed by the user Channels which are not committed to a Special Function can be us
74. the High High limit is reached close discrete output channel 1 Also configure the module for Waveform Measurement Special Function 3 on Timer 1 Set a Tracking Alarm on the Waveform Measurement function to monitor frequency with a Low limit of 500Hz a High limit of 800Hz and a Deadband of 25Hz When the frequency falls below the Low limit open discrete output channel 2 and when the frequency exceeds the High limit open discrete output channel 2 pans ag oa 0 ODAAT MA1043 MAQ20 DIOL Hardware User Manual The MAQ20 DIOL module with s n 1234567 89 has an address offset of 2000 4 8000 Pulse Counter Alarm Configuration amp Monitoring Write to register address 8000 1100 9100 a data value of 1 to set the Pulse Frequency Counter Special Function to operate on Timer 0 The Alarm Configuration Value for the Pulse Counter function is 1000 100 50 4 1154 Write this value to the Alarm Configuration register at address 8000 1100 35 8135 To set the Pulse Counter Alarm High limit write to register address 8000 1100 39 9139 a data value of 100 Note that this value is written to the register at address 39 because this limit is a 32 bit number which is stored in 2 registers When this limit is reached a value of 0 will be written to discrete output channel 0 which will close the solid state switch and the red LED on the module will be lit This channel should have been previously set to a value of 1 or have a default
75. to address 1000 MSB to LSB DI4 to DIO and DO4 to DOO 1011011000 Data written to an input channel will be ignored Data written to an output channel committed to a Special Function returns an error Default 1 for all channels Example 728 the decimal equivalent of the binary number above MSB to LSB 1011011000 Default 1023 Select Special Function See Address Maps below for register contents starting at address 1100 specific to each Special Function selected Special Functions using Timer 0 use channels DIO DI1 DOO DO1 See Section 12 0 for details Default 0 Select Special Function See Address Maps below for register contents starting at address 1200 specific to each Special Function selected Special Functions using Timer 1 use channels DI2 DI3 DO2 DO3 See Section 12 0 for details Default 0 Data Range Data Range DOO DO4 Inverted Logic 0 switch closed 1 switch open DIO DI4 Inverted Logic 0 input gt threshold 1 input lt threshold 0 None Default 1 Pulse Freq Ctr 2 Pulse Freq Ctr w Debounce 3 Waveform Measurement 4 Time Between Events 5 Frequency Generator 6 PWM Generator 7 One Shot Pulse Generator 0 None Default 1 Pulse Freq Ctr 2 Pulse Freq Ctr w Debounce 3 Waveform Measurement 4 Time Between Events 5 Frequency Generator 6 PWM Generator 7 One Shot Pulse Generator Data type IN
76. to ensure reliable and predictable operation under all conditions Upon power cycle brown out detect or any extreme circumstance under which the watchdog timer expires a Standard Reset is performed DATAR ee 35 of 60 MA1043 MAQ20 DIOL Hardware User Manual 16 0 Module Identification and Status Registers Module identification including model number serial number date code and firmware revision are stored in registers at addresses 0 41 I O modules in a system are identified in general by their model number MAQ20 DIOL MAQ20 VDN etc and uniquely by their Serial Number printed on the side label 1234567 89 When I O modules are installed in the system only a general identifier is visible on the front of the module DIOL V TC etc Wire tags or additional labeling applied to the module terminal block may be used for visible unique identification in an installed system Additionally the system has a utility to provide a visible indication of module response for identification Any write to Address 98 plus the offset based on the Registration Number will blink the STATUS LED on the top angled surface of the module at a 5Hz rate for 5 seconds For troubleshooting purposes reset status communications errors and invalid data written to a module are monitored and made available to the user Registers at addresses 1900 1910 hold this information 17 0 LED Indicators A set of 5 LEDs on the top panel of the MAQ 20 I O module
77. tput Start Address 0 MAQ20 COM4 0074249 02 0512 2000 MAQ20 JTC 0080066 02 I 0512 6000 MAQ20 VO 0074061 10 0312 12000 MAG20 VSN 0080511 03 0213 14000 MAQ20 VSN 0080511 02 0213 1 11 16000 MAQ20 VYSN 0080511 01 0213 1 11 sann du fil Poll Rate 500 ms Figure 4 Module Registration using MAQ20 945 Configuration Software Tool Registration Numbers are listed in the left column To change the Registration Number of an I O module click the box with the Registration Number in the left column select the Reorder Modules box then use the Up and Down buttons to move the module within the sequence The system automatically reassigns the I O modules above and below the one moved Repeat for other modules if desired The MAQ20 COMx module always has Registration Number 0 and cannot be moved Press Save to save the configuration The new registration sequence is permanent as long as I O modules are not removed from or added to a system Page 10 of 60 DATAFORTH MA1043 MAQ20 DIOL Hardware User Manual ReDAQ Shape Software for MAQ 20 presents a graphical representation of the system on the Acquire panel as shown in Figure 5 System And Communication Setting Connect To M Q 20 Close Connection Interval ms h UU a Time Out ms TESTEN System 1 System 1 USB Port Slave ID 16 31 Baud Rate 115200 Parity Click on Connect button to start ID Figure 5 MAQ2
78. trigger is selected 4 pulses will be counted Input Signal DIO Timer 0 DI2 Timer 1 External Enable DI1 Timer 0 DI3 Timer 1 3 Pulses Counted for Positive Edge Trigger 4 Pulses Counted for Negative Edge Trigger Figure 8 Pulse Counter Operation Using External Enable High Low or High High Low Low alarms can be configured for this function and dedicated discrete output channels can be set when alarm conditions are reached Reference Section 14 0 for details on using alarms If the special function is disabled by writing a number other than 1 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a register Power cycle or Standard Reset returns configuration parameters to the last values stored in EEPROM Reset to Default returns configuration parameters to factory default values The Frequency Counter function uses discrete input channel DIO if Timer 0 is used to implement the function or discrete input channel DI2 if Timer 1 is used to implement the function Frequency is measured from 0 Hz to an upper limit of 10 000 Hz Input signals can have any waveshape but must cross through 1 6V to be detected as high or low Edge triggering can be set to positive or negative Frequency measurement is enabled or disabled by arming or disarming the function Optionally measurement can be controlled using an
79. ull system registration Added modules have now been assigned the next available sequential Registration Numbers but in a random sequence not associated with the physical position on the backbone Modules previously installed and registered in the system retain their assigned Registration Numbers NOTES Once the registration process is complete Registration Numbers are permanent as long as I O modules are not removed from or added to a system When system power is cycled or the system is reset I O module Registration Numbers will always remain the same Tools within MAQ20 940 ReDAQ Shape Software for MAQ 20 and MAQ20 945 MAQ920 Configuration Software Tool allow the user to reassign Registration Numbers For further details see Section 9 0 Module Detect A write to the Module Detect Register at I O module address 98 plus the module offset based on Registration Number will blink the STAT LED on the top angled surface of the module at a 5Hz rate for 5 seconds so the module location in a system can be visually identified gt DATAFORTH Page 7 of 60 MA1043 MAQ20 DIOL Hardware User Manual 9 0 MAQ 20 I O Module Registration The MAQ920 Data Acquisition System uses an automated registration process which periodically scans the system and will detect wnen MAQ 20 I O modules are added and removed Modules are assigned a sequential Registration Number based on the order in which they are detected This order can be forced to occur in a
80. umber 1234567 89 is installed in a system and has been assigned a Registration Number of 4 The MAQ20 DIOL module with s n 1234567 89 has an address offset of 2000 4 8000 Write to the DO channels DOO DO4 at addresses 8000 1000 to 1004 9000 to 9004 Read from the DI channels DIO DI4 at addresses 8000 1005 to 1009 9005 to 9009 Q MAFORTH page00f60 MA1043 MAQ20 DIOL Hardware User Manual The MAQ20 940 ReDAQ Shape Software for MAQ 20 and MAQ20 945 MAQ 20 Configuration Software Tool have a utility which allows the user to reassign Registration Numbers to I O Modules in a system This can be used to rearrange the way I O modules are displayed in the software if the Alternate Registration Processes have been used instead of the Standard Registration Processes These are both described in Sections 6 0 7 0 and 8 0 Graphical representations of a system in the ReDAQ Shape and Configuration Software Tool display I O modules sequentially in the order they were registered The display does not represent physical position and will not show vacant positions between I O modules The ReDAQ Shape graphic shows a 24 position backbone regardless of the backbone or combination of backbones used in a system When using the Configuration Software Tool the registration sequence is presented on the main screen as shown in Figure 4 gt gt MAQ20 945 Configuration Software Tool va Module Description Serial Number Site DE Inputs Ou
81. ut levels below 1 6V are low The MAQ20 DIOL module uses inverted logic so inputs over the threshold are reported as logic 0 and inputs below the threshold are reported as logic 1 Edge triggering can be set to positive or negative Waveform measurement is enabled or disabled by arming or disarming the function The number of events to measure can be specified and measured waveform parameters are reset by writing corresponding registers The timebase is selected based on the waveform to be measured in order to obtain the best measurement resolution and performance The average weight for low and high pulse times can be set as applications require Pulse high time and low time are stored as current average min and max values Waveform parameters are computed continuously up to the limit set in the Events to Measure register using the specified average weight and are stored in registers Events to Measure can be set from 1 to 10 Million or can be set to 0 to measure waveforms continuously High Low or High High Low Low alarms can be configured for this function and dedicated discrete output channels can be set when alarm conditions are reached Reference Section 14 0 for details on using alarms If the special function is disabled by writing a number other than 3 to the register at reference address 1100 or 1200 all function configuration parameters remain resident in memory Special function configuration parameters are stored in EEPROM by writing to a regi

MAQ20-DIOL Discrete I/O Module HW User Manual

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