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750-404 [Up/Down Counter /100 kHz] • 17

Process Image

WAGO-I/O-SYSTEM 750
I/O Modules

DEMKO / IEC

II 3 G EEx nA II T4

Conformity Marking

More Information

Detailed references to the approvals are listed in the document "Overview
Approvals WAGO-I/O-SYSTEM 750", which you can find on the CD ROM
"AUTOMATION Tools and Docs" (Item-No.: 0888-0412)
or in the internet under:

Documentation



WAGO-I/O-SYSTEM 750



System Description

2.1.2.7 Process Image

Using the I/O module 750-404, a 5 byte input and output process image can be
transferred to the fieldbus coupler / controller via one logical channel.

The transfer of the setting counter value in binary format is made via 4 output
bytes (D0 ... D3) and the transfer of the counter reading in binary format is
made via 4 input bytes (D0 ... D3). The control byte C0 serves for setting the
counter and the outputs. The status byte S0 shows the status of the counter and
the inputs and outputs.

Attention

The representation of the process data of some I/O modules or their variations
in the process image depends on the fieldbus coupler/-controller used. Please
take this information as well as the particular design of the respective
control/status bytes from the section "Fieldbus Specific Design of the Process
Data" included in the description concerning the process image of the
corresponding coupler/controller.

Input data

Output data

S0

Status byte 0

C0

Control byte 0

D0

Counter value byte 0 (LSB)

D0

Set value byte 0 (LSB)

D1

Counter value byte 1

D1

Set value byte 1

D2

Counter value byte 2

D2

Set value byte 2

D3

Counter value byte 3 (MSB)

D3

Set value byte 3 (MSB)

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Содержание 750-404

Страница 1: ...Fieldbus Independent I O Modules Counter Modules 750 404 xxx xxx Manual Version 1 2 0...

Страница 2: ...571 8 87 5 55 Fax 49 0 571 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the correctness and com pleteness of this documentation However as errors can never be...

Страница 3: ...tion 13 2 1 2 4 Display Elements 15 2 1 2 5 Schematic Diagram 15 2 1 2 6 Technical Data 16 2 1 2 7 Process Image 17 2 1 2 7 1 Control Status byte 750 404 18 2 1 2 7 2 Control Status byte 750 404 000 0...

Страница 4: ...les 2 1 4 8 Example 40 2 1 5 750 404 000 005 2 Up Counter 16 Bit 5 kHz 42 2 1 5 1 View 42 2 1 5 2 Description 42 2 1 5 3 Display Elements 44 2 1 5 4 Schematic Diagram 44 2 1 5 5 Technical Data 45 2 1...

Страница 5: ...ght to provide for any alterations or modifications that serve to increase the efficiency of technical progress WAGO Kontakttechnik GmbH Co KG owns all rights arising from the granting of patents or f...

Страница 6: ...loped for use in an environment that meets the IP20 protection class criteria Protection against finger injury and solid impurities up to 12 5 mm diameter is assured protection against water damage is...

Страница 7: ...ions and equipment shall not be made ineffective See relevant standards e g DIN EN 418 The equipment of your system shall be conform to EMC guidelines so that any electromagnetic interferences will be...

Страница 8: ...bserved to ensure smooth and efficient operation ESD Electrostatic Discharge Warning of damage to the components through electrostatic discharge Observe the precautionary measure for handling componen...

Страница 9: ...n a long term basis Warning The components are not resistant against materials having seeping and insulating properties Belonging to this group of materials is e g aerosols silicones triglycerides fou...

Страница 10: ...ic Menu items are marked in italic type bold letters e g Save A backslash between two names characterizes the selection of a menu point from a menu e g File New END Pushbuttons are marked as bold with...

Страница 11: ...describes the Special Module 750 404 xxx xxx Counter Modules of the modular WAGO I O SYSTEM 750 Handling assembly and start up are described in the manual of the Fieldbus Coupler Controller Therefore...

Страница 12: ...04 750 404 000 001 750 404 000 002 750 404 000 003 750 404 000 004 750 404 000 005 Function Up Down Counter Up Counter Enable Input Peak Time Counter Frequency Counter Up Down Counter Switch Output 2...

Страница 13: ...Power jumper contacts Data contacts DO 2 Status 24V 0V DO 2 DO 1 Status DO 1 U D 750 404 U D U D CLOCK CLOCK CLK Fig 2 1 2 1 View g040400e 2 1 2 3 Description The Up Down counter 750 404 and the vari...

Страница 14: ...tage of 24 V for the counter module is derived from adjacent I O modules or from a supply module The supply voltage for the field side is made automatically through the individual I O modules by means...

Страница 15: ...t B Status DO 1 green Digital Output DO 1 setting off Input CLOCK Signal voltage 0 C Status CLOCK green Input CLOCK Signal voltage 1 Counting pulse off Digital Output DO 2 reset 13 14 C D B A C D A B...

Страница 16: ...width 32 bits data 8 bits control status Dimensions W x H x L from upper edge of 35 DIN rail 12 mm x 64 mm x 100 mm Weight ca 55 g Standards and Regulations cf Chapter 2 2 of the Coupler Controller Ma...

Страница 17: ...ransfer of the counter reading in binary format is made via 4 input bytes D0 D3 The control byte C0 serves for setting the counter and the outputs The status byte S0 shows the status of the counter an...

Страница 18: ...actual signal at output DO 2 actual signal at output DO 1 actual signal at input U D actual signal at input CLOCK X This value is not evaluated With the control and status byte the following tasks are...

Страница 19: ...4 B3 B2 B1 B0 X X Counting starting X actual signal at output DO 2 actual signal at output DO 1 actual signal at input U D Toggelbit for end of the record X This value is not evaluated The counter beg...

Страница 20: ...ignal at input CLOCK X This value is not evaluated With the control and status byte the following tasks are possible Set Counter Put Bit 5 into the control byte The counter with the 32 bit value is lo...

Страница 21: ...0 0x64 2 Validate the counter reading in the control byte with bit 5 setting counter to have it adopted as an output value The control byte has the following bits Control byte Output bit B7 B6 B5 B4 B...

Страница 22: ...he data bytes D0 to D3 of the input data appear as follows Data bytes Remark D3 D2 D1 D0 no count pulse received 0x00 0x00 0x00 0x64 1st count pulse received 0x00 0x00 0x00 0x65 2nd count pulse receiv...

Страница 23: ...r reading is 0 The timer runs with the parameterized cycle time Count pulses received on the input CLOCK Control byte Input bit B7 B6 B5 B4 B3 B2 B1 B0 Value 0 0 1 0 X X 0 0 Status byte Output bit B7...

Страница 24: ...es have been counted There are several possibilities to set an output If DO 1 is used as an automatic switching output and if the counter is to count up set the counter to 0x80000000 4000 0x7FFFF060 a...

Страница 25: ...e data to the fieldbus The changes from 0 V to 24 V are counted The counter is locked with an open circuit or 0 V on input GATE With 24 V on input GATE the counter is enabled The counter can be set or...

Страница 26: ...upply module is required if the adjacent modules need to be connected to the ground Note Use an appropriate supply module e g 750 602 if an electrically isolated voltage supply is required The module...

Страница 27: ...matic Diagram WAGO I O SYSTEM 750 I O Modules 2 1 3 4 Schematic Diagram 0V 10nF 10nF 270pF 270pF 270pF DO 5V Logic 24V DO 24V 0V DO 1 DO 2 10nF 1 2 3 4 5 6 7 8 750 404 000 001 GATE GATE GATE CLOCK CLO...

Страница 28: ...edge of 35 DIN rail 12 mm x 64 mm x 100 mm Weight ca 55 g Standards and Regulations cf Chapter 2 2 of the Coupler Controller Manual EMC Immunity to interference CE acc to EN 50082 2 96 EMC Emission o...

Страница 29: ...image depends on the fieldbus coupler controller used Please take this information as well as the particular design of the respective control status bytes from the section Fieldbus Specific Design of...

Страница 30: ...the set value in the output data The data bytes D0 to D3 of the output data then read as follows Data bytes Output data D3 D2 D1 D0 Value 0x00 0x00 0x00 0x64 9 Validate the counter reading in the cont...

Страница 31: ...ing the data bytes D0 to D3 of the input data appear as follows Data bytes Remark D3 D2 D1 D0 no count pulse received 0x00 0x00 0x00 0x64 1st count pulse received 0x00 0x00 0x00 0x65 2nd count pulse r...

Страница 32: ...the input CLOCK and converts it into a corresponding frequency value The measurement is enabled if the input GATE is an open circuit input or 0V To disable processing the GATE input is to be set to 2...

Страница 33: ...em it is important not to exceed the maximum sum current However if such a case should occur another supply module must be added Attention This module has no power contacts for receiving and transmitt...

Страница 34: ...1 reset B Status DO 1 green Digital Output DO 1 setting off Input CLOCK Signal voltage 0 C Status CLOCK green Input CLOCK Signal voltage 1 Counting pulse off Digital Output DO 2 reset 13 14 C D B A C...

Страница 35: ...z resolution 0 001 Hz Integration time 4 period 0 25 Hz 32 kHz resolution 0 01 Hz Integration time 16 period 1 Hz 100 kHz resolution 0 1 Hz 1 Hz Measuring error at the maximum frequency range Range 0...

Страница 36: ...s the time between one or more rising edges of the CLOCK input signal and calculates the frequency of the applied signal The calculation and process image update are initiated every 1st every 4th or e...

Страница 37: ...ransferred to the fieldbus coupler controller via two logical channels The two output bytes D0 D1 contain the setting Watchdog time in binary format The other output bytes D2 D3 are not used The four...

Страница 38: ...ion time and the representation of measured frequency value 0 This constant must be set to zero Status byte B7 B6 B5 B4 B3 B2 B1 B0 X X ST_ GATE TVD ACK Status output DO 2 Status output DO 1 RANGE_ SE...

Страница 39: ...TDmax 2 actual frequency If the gate is enabled the input data contains the last valid frequency value In this state the application cannot request a new range Attention If the maximum possible frequ...

Страница 40: ...measurement range of 1 Hz 100 kHz with a resolution of 1 10 Hz and 16 measurement periods 14 Set the new measurement range with the bits 0 and 1 RANGE_SEL REQ 0 and 1 in the control byte Control byte...

Страница 41: ...REQ in the Control byte the changes are adopted Control byte Output bit B7 B6 B5 B4 B3 B2 B1 B0 Value 0 X X 1 X X X X 19 After feedback of the counter module with bit 4 TVD ACK in the status byte the...

Страница 42: ...ion The counter module also can be ordered as two Up Counters with 16 bits counter values 750 404 000 005 The Up counters are capable of counting binary pulses of DC 24 V at the inputs CLOCK 1 and CLO...

Страница 43: ...ring the system it is important not to exceed the maximum sum current However if such a case should occur another supply module must be added Attention This module has no power contacts for receiving...

Страница 44: ...1 green Digital Output DO 1 setting off Input CLOCK 1 Signalspannung 0 C Status CLOCK 1 green Input CLOCK 1 Signalspannung 1 Counting pulse 1 off Digital Output DO 2 setting 13 14 C D B A C D A B Fig...

Страница 45: ...rom upper edge of 35 DIN rail 12 mm x 64 mm x 100 mm Weight ca 55 g Standards and Regulations cf Chapter 2 2 of the Coupler Controller Manual EMC Immunity to interference CE acc to EN 50082 2 96 EMC E...

Страница 46: ...e depends on the fieldbus coupler controller used Please take this information as well as the particular design of the respective control status bytes from the section Fieldbus Specific Design of the...

Страница 47: ...in the output data The data bytes D0 to D3 of the output data then read as follows Datenbytes Output data D3 D2 D1 D0 Value 0x00 0x00 0x00 0x64 23 Validate the counter reading in the control byte with...

Страница 48: ...s follows Data bytes Remark D3 D2 D1 D0 no count pulse received 0x00 0x00 0x00 0x64 1st count pulse received 0x00 0x00 0x00 0x65 2nd count pulse received 0x00 0x00 0x00 0x66 Further count pulses Max c...

Страница 49: ...750 404 000 005 2 Up Counter 16 Bit 5 kHz 49 Example WAGO I O SYSTEM 750 I O Modules...

Страница 50: ...WAGO Kontakttechnik GmbH Co KG Postfach 2880 G 32385 Minden Hansastra e 27 G 32423 Minden Phone 05 71 8 87 0 Fax 05 71 8 87 1 69 E Mail info wago com Internet http www wago com...

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