High Speed Counter Types
Contents
1. HIGH SPEED COUNTER 5 12 24 VDC HIGH SPEED COUNTER 5 12 24 VDC Q Son OOSA OTT INCOM O O E 18 SHIELD INCOM L 111 26 oe 112 SHIELD L 0 01 0 Osc veo 02 SHIELD UNUSED Eo 03 04 DIDI DIDI G IG PIGIG D D DDD DGD Q O 01 04 1 0A 12 24vDd 01 04 0 02A 5 VDC DID PIO PI D O D GDIG O QIO O G G O O OijO 4 0A MODULE MODULE IC697HSC700 LABEL 44A726758 030R01 d IBMandPS 2areregistered trademarks of International Business Machines Corporation MS DOS Windows Windows 95 and Windows NT are registered trademarks of Microsoft Corporation Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F 2 GFK 1057D August 1997 Product Compatibility Requirements Product Version IC697 CPU 5 50 or later CPU models 781 782 914 924 MS DOS Program 5 0xor later mingSoftware Windows Program 1 0 or l2. Removing an I O Module The instructions below should be followed when re moving an I O module from its slot in a rack Grasp the board firmly at the top and bottom of sert crease the scored edge before insertion The outside label has a color coded stripe to allow quick identification of the module voltage type blue low voltage red high voltage After field wiring is completed the terminal board should be securely fastened to the rack by insert ing the terminal board strap attached to each module into the small rectangular slots in the bot tom card guide grill on the rack This strap not the board cover with your thumbs on the front of the cover and your fingers on the plastic clips on the back of the cover Squeeze the rack clips on the back of the cover with your fingers to disengage the clip from the rack rail and pull the board firmly to remove it from the backplane connector Slide the board along the card guide and remove it from the rack 59 5 Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F GFK 0600F Special Applications Modules 9 High Speed Counter GFK 1057D August 1997 Table 3 Specifications for IC697HSC700 General ModuleOperating Voltage 5 VDC from backplane ModuleCurrent Drain 1A 10 mA x number of ON outputs 1 6 x encoder current Maximum CountRate Types A D and Type Ein Up Down mode 200 KHz Type Ein A Quad B mode 800 KHz Output
3. types of output presets Fast Response and Standard Fast Response There is one dedicated fast response output for each accumulator The fast response output turns on within 15us of the associated counter decrementing to zero with less than 2s variation In addition two output modes are supported for the fast response outputs Pulse Output Mode The output turns on when the Accumulator counts down to zero and stays on for a configured duration from 1 to 1000 milliseconds Latched Output Mode Single Shot mode only The output turns on when the Accumulator counts down to zero and stays on until a Preload occurs Standard Output Presets Outputs 3 and 4 can be assigned to either counter and configured to be On or Off when the count Accumulator reaches configured On and Off values Anassigned output s state indicates when the counter Accumulator is between the defined On and Off points Output Interrupts Interrupts can be enabled or disabled for Off to On transitions of the fast response outputs Interrupts can be enabled or disabled for either transition of the standard preset outputs Oscillator The module provides an external oscillator output that can be wired as a count input to any counter and used as a timing reference for measurement The 5V square wave oscillator output can be configured to operate at frequencies from 15 Hz to 1 MHz This output has a CMOS buffer with a 47 ohm output impedance Data Commands T
4. 65535 ms can be configured Strobe Register Type A B and C counters have one or more Strobe registers that capture the current Accumulator value when a Strobe input transitions The Strobe inputs are edge triggered and can be configured for positive edge or negative edge response The Strobe registers can be configured to update at any Strobe trigger or only on the first strobe trigger Preloads Counters A B and C have one or more Preload inputs The Preload inputs set the accumulator to a configured Preload value Q bits sent from the PLC can also be used to generate Preload and set the accumulator to the configured Preload value Selectable On Off Output Presets Counter output signals can be configured to be On or Off when the count Accumulator reaches configured 3 GFK 1057D August 1997 On and Off Preset values There are four On Off Preset outputs which can be independently assigned to any counter An assigned output s state indicates when the counter Accumulator is between the defined On and Off points Output polarity can be configured to On only between points or Off only between points by the relative location of the On Off Presets Selectable Preset Interrupts Each Preset output can generate PLC interrupts from On and or Off transitions Interrupts can be enabled for either or both transitions of each Preset output Oscillator The module provides an external oscillator output that can be wired as a count
5. Points Powered by user supplied 5V or 10 to 30 VDC LEDs MODULE OK and O1 O4 Output circuit status Input and Output Isolation Peak 1second 1500volts SteadyStatus 30 V AC DC Inputs VoltageRange TTL 5 VDC Non TTL 10 to 30 VDC Magnetic Pickup I1 to I4 only 400 mV InputThresholds I1 to 112 TTL Non ITL MagneticPickup Von 1 4V 8 0V 400mV Voff 0 8V 5 0V 200mV Encoder Power 5 VDC 500 mA 40 C 104 F 300 mA 60 C 140 F Input FilterDelay IN1 to IN8 10 ms or 2 usselectable IN9 to IN12 2s Input Impedance 6000 ohms Input Hysteresis 250mV typical Input Cable Shielded cablerecommended Maximum length 30 meters 100 feet Outputs OutputType Positive Logic opticallyisolated Maximum Supply Voltage 30 0 VDC Maximum OutputCurrent at 60 C 140 F 1 0 A for each output using 10 to 30 VDC supply OutputCurrent using 5 VDC supply 20mA typical Inductive Load Clamp Voltage 8 0 V typical OFF State Leakage Current 10 uA for each output Series 90 70 Programmable Controller Data Sheet Manual 59 9 10 Special Applications Modules GFK 1057D High Speed Counter August 1997 Table 3 Specifications for IC697HSC700 continued OutputResponse Time Type A D Type E Slow Response 300 ps typical 650 us worst case Type E Fast Response 24 Volts On 7 stypical 10 us worst case Off 56 ustypical 5 Volts On 10 ustypical 15 us worst case Off 63 ustypical OutputResponse Variation Slow Response 650 us worst case Fast Respo
6. Special Applications Modules GFK 1057D August 1997 Features Single slot module Five selectable counter types 12 single ended or differential inputs TTL Non TTL and Magnetic Pickup input thresholds Four positive logic source outputs with LED indicators External oscillator Built in 5 VDC output Software configuration Internal module diagnostics Module OK and Output State LEDs Removable terminal strip for field wiring connections Configuration is done using the configuration function of the MS DOS or Windows programming software running on Windows 95 or Windows NT over Ether net TCP AP or through the SNP port The Programming Software configuration function is installed on the pro gramming device The programming device can be an IBM XT AT PS2 or compatible Personal Computer Functions The IC697 High Speed Counter HSC module catalog number IC697HSC700 directly processes rapid pulse signals up to 200 KHz 800 KHz for Type E in A Quad B mode The module is able to sense inputs process input count data and control its outputs without communicating with the PLC CPU The HSC has a simple and user friendly PLC interface that makes it extremely useful in industrial applications such as Turbine flowmeter Meter proving Velocity measurement Material handling Motion control Process control 1C697HSC700 High Speed Counter a45425
7. ater mingSoftware High Speed Counter Types The High Speed Counter can be configured as one of five types A B C D or E All counters have 12 inputs four preset outputs and optional PLC ladder interrupt capability Type A In Type A configuration the HSC has four identical and independently programmable unidirectional 16 bit counters which can be configured for up or down operation Each counter has three inputs Preload Count Pulse and Strobe Type B In Type B configuration the HSC has two identical and programmable bi directional 32 bit counters Each counter can be independently configured to operate in Up Down Pulse Direction or A Quad B mode Both counters have two independent Strobe inputs and Strobe registers Each counter has a single Preload input to set the accumulator and a Disable input to suspend counting This counter type can be configured to link strobes In this mode a count on the Counter 2 inputs will strobe both Counter 1 and Counter 2 Accumulator values into their respective Strobe 1 registers This feature can be used to accurately measure a pulse rate against a reference pulse or to compare two different pulse rates Type C In Type C configuration the HSC has one differential bi directional 32 bit counter with a Disable input to suspend counting It also provides a Home cycle to initialize the accumulator to a pre defined Home Position A Home Switch input and a Marker input are used to ind
8. d using the MS DOS or Windows programming software configurator function that has been installed on your programming computer For detailed information about selectable features refer to the High Speed Counter User s Manual GFK 1062 Count Rate Maximum count rates are 200 KHz with the high frequency filter and 30 Hz with the low frequency filter Selectable Input Filters The Count Count Disable and Preload inputs for each counter can be configured for a high frequency filter 2 5 microseconds or a low frequency filter 12 5 milliseconds 59 2 Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F Special Applications Modules High Speed Counter Continuousor Single Shot counting Each counter can be configured to operate in either continuous or single shot mode Continuous Counter Mode If either the upper or lower count limit is exceeded the counter wraps around to the other limit and continues Single shot Counter Mode The counter counts to either the upper or lower limit and stops When the counter is at the limit counts in the opposite direction back it off from the limit Counter Accumulator The Accumulator contains the current count value of each counter The CPU can read the accumulator value or set it from the application program Counts per Timebase Register Each counter stores the number of counts that have occurred in a specified period of time A timebase value from 1 ms to
9. de The Count Count Disable and Preload inputs for each counter can use either filter but the Strobe and Strobe Disable inputs use only the high frequency filter Continuousor Single Shot Counting Each counter can be configured to operate in either continuous or single shot mode Continuous Counter Mode When the counter decrements to zero it turns on the fast response output and automatically preloads itself to the preload value and continues counting Single shot Counter Mode When the counter counts to zero it turns on the fast response output and ignores count pulses until a preload occurs Preloads Arising edge on the Preload input a rising edge on the Q Preload Accumulator bit or the counter decrementing to zero in Continuous mode will set the accumulator to a configured Preload value Preloads caused by the Preload input and count decrementing to zero will set a I bit in the PLC to indicate a preload occurred Strobe Register Stack Each counter has a Strobe Register stack which will store up to four strobe values Strobes can be configured to occur on rising falling or both edges of the Strobe input I bits indicate how many strobes have occurred A Reset Strobes Q bit or a Preload clears the Strobe Register stack and I indicators A Strobe Disable input causes all Strobe input transitions to be ignored Special Applications Modules High Speed Counter Counter Outputs The Type E counter supports two
10. fficient space for the hinged door to close Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F 8 Special Applications Modules rack the wire bundle must be secured To ensure that the wire bundle is secured properly it is rec ommended that a cable tie be wrapped around the wire bundle and tightly secured through the cable tie cleat located at the lower right corner of the terminal board For extremely large wire bundles additional cable ties should be used GFK 1057D High Speed Counter August 1997 JACKSCREW a43747 oe y S M DO NOT K PULL j ON DOOR WIRE BUNDLE CABLE TIE CLEAT Figure 4 Removal of I O Terminal Board 5 After completing connections to all modules in a only secures the terminal board to the rack it also provides a way of identifying the wired terminal board with its correct mating rack slot location For adequate module ventilation it is recom mended that at least a 6 inch 152mm clearance be allowed above and below the rack grill Wire bundles should not obstruct the rack grill work 6 A door label insert is included with each module to indicate circuit wiring information and provide space to record user circuit wiring identification A slot is provided on the hinged door to allow for insertion of this label If the label is difficult to in
11. he PLC can send data commands to the HSC through AQ data or with a COMMREQ These commands allow the user to dynamically modify counter operation and configuration parameters Configuration parameters that can be dynamically modified include Preload values On and Off Preset values and Fast Response output duration 59 4 Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F Special Applications Modules High Speed Counter Location in a System A High Speed Counter module can be installed in any I O slotin the CPU rack orin any IO slot in an expansion rack in a system For interrupts to work there can be no empty slots 5 GFK 1057D August 1997 between the CPU and the HSC The following figure shows two typical installations A a High Speed Counter installed in the CPU rack in a single rack installation and B multiple High Speed Counter modules installed in an expansion rack in a multiple rack system SINGLE RACK CONFIGURATION 447028 plic H k SIP S U C CPU RACK EXPANSION RACK OSES N P C B N PIB HH set J str gis o U M o M ICC Sy E EXPANSION RACK CONFIGURATION Figure 1 Example of High Speed Counter Module Installation Configurations Installing a High Speed Counter For detailed instructions on how to
12. icate the Home Position to each counter input The configured Home value specifies the accumulator value at the Home Position Special Applications Modules High Speed Counter Two sets of bi directional counter inputs can be connected differentially Each pair of inputs can be configured for Up Down Pulse Direction or A Quad B mode The Type C configuration has three Strobe registers with Strobe inputs and two Preload values with Preload inputs Type D In Type D configuration the HSC has four bi directional 32 bit counters that can be configured to count in Up Down Pulse Direction A Quad B x1 A Quad B x2 or A Quad B x4 mode Each counter has a marker input which can be used to set its accumulator value to the counter s Home Position value When configured in A Quad B mode the High Speed Counter detects and reports quadrature errors Type E The Type E counter contains two identical 16 bit counters with Strobe and Preload inputs capable of counting Up Down or A Quad B signals Each has a Count Disable and a Strobe Disable input The Type E counter is designed primarily as a Down counter but can handle up counts to account for A Quad B jitter When a counter counts down to zero it turns on a dedicated preset output with a 5us response Type A B C and D Operating Features Operating features of the High Speed Counter for Types A B C and D are described below Features that have selectable parameters are configure
13. input to any counter and used as a timing reference for measurement The 5V square wave oscillator output can be configured to operate at frequencies from 15 Hz to 1 MHz This output has a CMOS buffer with a 47 ohm output impedance Data Commands The PLC can send data commands to the HSC through AQ data or with a COMMREQ These commands allow the user to dynamically modify counter operation and configuration parameters Configuration parameters that can be dynamically modified include accumulator value counter limits Preload values On and Off Preset values and Home Position Velocity Command A AQ or COMMREQ Data Command can be used to generate an internal velocity of up to 100 000 counts per second The counter accumulator will increment or decrement at the commanded velocity Counts generated by the user count inputs will be accumulated in addition to the Velocity Command counts Accumulator Adjust Adata command can be used to adjust the accumulator value from 128 to 127 counts at any time Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F 59 3 4 GFK 1057D August 1997 Type E Operating Features Operating features of the High Speed Counter for Type E are described below Count Rate and Input Filters The maximum count rate with the low frequency filter 12 5 milliseconds is 30 Hz with the high frequency filter 2 5us the maximums are 200 KHz inUp Down mode and 800 kHz in A Quad B mo
14. install a High Speed Counter module refer to Installation Procedures in the applicable Programmable Controller Installation Manual Also refer to the High Speed Counter User s Manual Following is a basic description of the module refer to Figure 2 for location of hardware features Status Indication Five status LEDs are viewable on the module as shown in Figure 2 The function of each LED is as follows MODULE OK LED The MODULE OK LED indicates current status of the High Speed Counter module as described in Table 1 Table 1 MODULE OK LED Status State Description When the MODULE OK LED is off the High Speed Counter module is not functioning This is the result of a hardware malfunction for ex ample the diagnostic checks detected a failure or the PLC CPU is not present Corrective ac tion is required in order to get the module functioningagain When the LED is on steadily the High Speed Counter module is functioning properly Normally this LED should always be on indicating that the diagnostic tests were successfully completed and the programming software configuration data for the module is correct OFF ON The LED flashes at a 1 Hz rate when power up Flashing diagnosticshavecompleted successfully and the module is waiting for configuration It also flashes at a 4 Hz rate when an error occurs When the error is cleared the LED will return to being on steadily Series 90 70 P
15. nments DETACHABLE TERMINAL S o STRIP FOR FIELD WIRING S Pin Signal Pin Signal CONNECTIONS S PG Number Name Number Name 9 O o 7 M SO TCs SHIELD 1 IN1P 21 IN9P S S ee 2 IN2P 22 IN10P S S 3 IN1M 23 IN9M S O ae 4 IN2M 24 IN10M O S no 5 IN3P 25 IN11P SS oO 6 IN4P 26 IN12P SA ee o 7 IN3M 27 IN11M SO 8 IN4M 28 IN12M O OJ fuso e 34 9 SHIELD 29 SHIELD O VL 10 INCOM 30 INCOM QI 9 11 IN5P 31 OSC O P 12 IN6P 32 5VP _ _____ 13 INSM 33 SHIELD LABEL 44A726758 030R01 14 IN6M 34 not used 15 IN7P 35 OUTPWR 16 IN8P 36 OUT1 17 IN7M 37 OUT2 18 IN8M 38 OUT3 19 SHIELD 39 OUT4 20 INCOM 40 OUTCOM Figure 2 High Speed Counter Module User Features 59 6 Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F Special Applications Modules High Speed Counter Recommended Field Wiring Procedures The following procedures are recommended when connect ing field wiring to the detachable terminal board on the High JACKSCREW HINGED 7 GFK 1057D August 1997 Speed Counter module Module features referenced in the following procedures which are common to most IC697 I O modules are illustrated in the following figure Osi DOOR TERMINAL BOARD a0 0 Nee a CORD O TIE CORD 5 TIE F LEAT lie olo X QING a O ol
16. nse 1 us worst case OutputProtection 5 0 A fuse 5x20mm replaceable common to all outputs VME System designed to support the VME standard C 1 Refer to GFK 0867B or later for product standards and general specifications Forinstallations requiring compliance to more stringent requirements for example FCC or European Union Directives refer to InstallationRequirements for Conformance to Standards Table 4 Ordering Information Description Catalog Number HighSpeed Counter Module 1C697HSC700 Note For Conformal Coat option or Low Temperature Testing option please consult the factory for price and availability 59 10 Series 90 70 Programmable Controller Data Sheet Manual GFK 0600F
17. rogrammable Controller Data Sheet Manual GFK 0600F 59 5 6 GFK 1057D August 1997 Output LEDs O1 O4 These four LEDs indicate the ON OFF state of the Special Applications Modules High Speed Counter a47050 corresponding module output circuit The output O circuitscan be used to drive indicating lights solenoids MODULE OK eer relays and other such similar devices The LEDs are i either ON or OFF output activated or not activated ouTPOT he 92 STATUS 04 User Terminal Connector O ee wo The removable terminal strip has 40 screw terminals for Eed connection to field devices to the High Speed Counter S 5259 inputs and outputs Pin assignments for field wiring Q S connections are provided in the following table For a detailed information on how each signal applies to the S 9 ges different counter types refer to the High Speed Counter O Q SHIELO User s Manual S S 2 9 Table 2 User Terminal Connector Pin Assig
18. s H ITO _ o O O Kela olo olS a H fo j JACKSCREW a43855 MUMINI KN ec Af CORD TIE CLEAT Figure 3 I O Module Features 1 Turn off power before removing or installing ter minal boards Open the hinged door on the mod ule to access a jackscrew which holds the terminal board securely in place The detachable field wir ing terminal board can now be removed from the module by turning the jackscrew counter clock wise until it is fully disengaged 2 To remove the terminal board grasp the top of the terminal board and swing it outward Do not use the hinged door to remove the terminal board The hinged door could be damaged if this is done 3 The terminal board is designed to accept wire sizes from AWG 22 0 36 mm through AWG 14 2 1 mm It is important that when using AWG 14 2 1 mm wire for wiring all points that a maxi mum insulation diameter of 135 inch 3 43mm not be exceeded To ensure proper connection two wires may be terminated on any one terminal only if both wires are the same size The terminal board is designed to accept a maxi mum of 40 AWG 14 2 1 mm2 wires If AWG 14 2 1 mm wires are to be used then wire markers should be placed at least 8 inches 203 mm from termination end to provide su
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