CN103528600A - Execution mechanism position conversion module for supporting Gray code encoder - Google Patents
Execution mechanism position conversion module for supporting Gray code encoder Download PDFInfo
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- CN103528600A CN103528600A CN201310530886.6A CN201310530886A CN103528600A CN 103528600 A CN103528600 A CN 103528600A CN 201310530886 A CN201310530886 A CN 201310530886A CN 103528600 A CN103528600 A CN 103528600A
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Abstract
The invention provides an execution mechanism position conversion module for supporting a Gray code encoder. The module comprises a single-chip, a Gray code absolute value encoder, an RS422 and a Schmitt trigger, wherein the RS422 comprises pins VCC, R0, DI, GND, A, B, Z and Y; the Schmitt trigger comprises pins 1A, GND, 2A, 1Y, 2Y and VCC; the Gray code absolute value encoder comprises first to sixth pins; all the GND pins and the sixth pin of the Gray code absolute value encoder are grounded; all the VCC pins are connected with a 5V power supply; the fifth pin of the Gray code absolute value encoder is connected with a 12V power supply; the R0 pin is connected with the 1A pin; the DI and 2Y pins are both connected with the single-chip; the 2A pin is connected with the 1Y pin; and the rest pins 422 are connected with the rest corresponding pins of the Gray code absolute value encoder. The execution mechanism position conversion module has strong interference resistance and fast speed; the Schmitt trigger makes DATA more stable; and conjugate inductance eliminates the common-mode interference on DA+ and DA-.
Description
Technical field
The invention belongs to electric actuator field, relate to more specifically topworks's location conversion module of supporting gray encoding device.
Background technology
The multi-turn absolute value encoder that existing actuator is used by location conversion module detects carrying out the position of machine, multi-turn absolute value encoder is the position transducer that degree of accuracy is very high, precision to actuator action has and important effect, thus improve multi-turn absolute value encoder anti-interferencely have a very large meaning.
The SSI communication modes that existing location conversion module is used, SSI interface communications protocol is a kind of serial data agreement with frame synchronizing signal.Be accompanied by the pulse signal of CLOCK signal, data are transferred in location conversion module by DATA signal, the advantage of this mode is, speed is fast, and precision is high.Shortcoming is without any verification scheme, and coding protection mechanism, once occur just easily producing error code after the data of full F or full 0.
Summary of the invention
For the deficiencies in the prior art, the problem to be solved in the present invention is to provide topworks's location conversion module of supporting gray encoding device.
Technical scheme of the present invention is:
Topworks's location conversion module of gray encoding device, comprises single-chip microcomputer, also comprises Gray code absolute value encoder J2, RS422 IC circuit 3 and Schmidt trigger IC5, described RS422 circuit comprises VCC, R0, DI, GND, A, B, Z, Y pin, described Schmidt trigger comprises 1A, GND, 2A, 1Y, 2Y and VCC pin, described Gray code absolute value encoder J2 comprises first to the 6th, six pin, the equal ground connection of described each GND pin, the 6th pin ground connection of described Gray code absolute value encoder J2, described each VCC all connects 5V power supply, the 5th pin of described Gray code absolute value encoder J2 connects 12V power supply, described R0 is connected with 1A, described DI is all connected with single-chip microcomputer with 2Y, described 2A is connected with 1Y, after described A serial connection associate coil T2, be connected with Gray code absolute value encoder J2 the 4th pin, after described B serial connection associate coil T2, be connected with Gray code absolute value encoder J2 tripod, described Z is connected with Gray code absolute value encoder J2 crus secunda, described Y pin is connected with Gray code absolute value encoder J2 the first pin.
Described A, B pin are all connected with RC series filtering circuit.
Described 5V power supply is connected with decoupling capacitor.
Described Schmidt trigger (IC5) model is 74LVC2G14.
The model of described single-chip microcomputer is ATMEGA88.
The model of described RS422 circuit (IC3) is MAX3084.
Advantage and good effect that the present invention has are: the present invention is owing to adopting gray encoding device, and Gray code belongs to Reliability codes, is the minimized coded system of a kind of mistake, therefore can reduce the possibility of makeing mistakes, strong interference immunity; The MAX3084 that 422 interface circuits adopt is High-Speed RS 422 interface chips, can support 10Mbps, and speed is fast; Filtering circuit and uncouple electric capacity can make power supply and data transmission more stable; Schmidt trigger, can make DATA data more stable; Conjugation inductance, can eliminate the common mode interference on DA+ and DA-.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below with reference to the accompanying drawings 1, embodiments of the present invention are described in detail:
Topworks's location conversion module of gray encoding device, comprises single-chip microcomputer, also comprises Gray code absolute value encoder J2, RS422 IC circuit 3 and Schmidt trigger IC5, described RS422 circuit comprises VCC, R0, DI, GND, A, B, Z, Y pin, described Schmidt trigger comprises 1A, GND, 2A, 1Y, 2Y and VCC pin, described Gray code absolute value encoder J2 comprises first to the 6th, six pin, the equal ground connection of described each GND pin, the 6th pin ground connection of described Gray code absolute value encoder J2, described each VCC all connects 5V power supply, the 5th pin of described Gray code absolute value encoder J2 connects 12V power supply, described R0 is connected with 1A, described DI is all connected with single-chip microcomputer with 2Y, described 2A is connected with 1Y, after described A serial connection associate coil T2, be connected with Gray code absolute value encoder J2 the 4th pin, after described B serial connection associate coil T2, be connected with Gray code absolute value encoder J2 tripod, described Z is connected with Gray code absolute value encoder J2 crus secunda, described Y pin is connected with Gray code absolute value encoder J2 the first pin.
Described A, B pin are all connected with RC series filtering circuit.
Described 5V power supply is connected with decoupling capacitor.
Described Schmidt trigger (IC5) model is 74LVC2G14.
The model of described single-chip microcomputer is ATMEGA88.
The model of described RS422 circuit (IC3) is MAX3084.
The present invention is owing to adopting gray encoding device, and Gray code belongs to Reliability codes, is the minimized coded system of a kind of mistake, therefore can reduce the possibility of makeing mistakes, strong interference immunity; The MAX3084 that 422 interface circuits adopt is High-Speed RS 422 interface chips, can support 10Mbps, and speed is fast; Filtering circuit and uncouple electric capacity can make power supply and data transmission more stable; Schmidt trigger, can make DATA data more stable; Conjugation inductance, can eliminate the common mode interference on DA+ and DA-.
Use the communication modes of gray encoding just can improve anti-jamming effectiveness, Gray code is a kind of absolute addressing mode, typical case's Gray code is a kind of single step self-complementing code with reflection characteristic and cycle characteristics, there is the possibility of significant error in its circulation, single step characteristic, its reflection, self-complementary characteristic make to negate very convenient while having eliminated direct access.Gray code belongs to Reliability codes, it is the minimized coded system of a kind of mistake, because, although natural binary code can directly convert simulating signal to by D/A, but in some situation, for example from metric 3 each that are converted to 4 o'clock binary codes, all to become, can make digital circuit produce very large peak current pulse.Gray code does not have this shortcoming, and it,, when adjacent interdigit conversion, only has one to change.When it has reduced by a state to next state widely, logic obscures.Two interblocks adjacent due to this coding only have a difference, thereby the conversion to digital quantity in the corner displacement amount for wind direction, when the corner displacement amount generation subtle change of wind direction and may cause that digital quantity changes time, Gray code only changes one, the situation that simultaneously changes two or multidigit with other coding is like this compared more reliable, can reduce the possibility of makeing mistakes.Therefore anti-interference is extremely strong.
Above one embodiment of the present of invention are had been described in detail, but described content is only preferred embodiment of the present invention, can not be considered to for limiting practical range of the present invention.All equalization variations of doing according to the present patent application scope and improvement etc., within all should still belonging to patent covering scope of the present invention.
Claims (6)
1. topworks's location conversion module of supporting gray encoding device, comprises single-chip microcomputer, it is characterized in that: also comprise Gray code absolute value encoder (J2), RS422 circuit (IC3) and Schmidt trigger (IC5), described RS422 circuit comprises VCC, R0, DI, GND, A, B, Z, Y pin, described Schmidt trigger comprises 1A, GND, 2A, 1Y, 2Y and VCC pin, described Gray code absolute value encoder (J2) comprises first to the 6th, six pin, the equal ground connection of described each GND pin, the 6th pin ground connection of described Gray code absolute value encoder (J2), described each VCC all connects 5V power supply, the 5th pin of described Gray code absolute value encoder (J2) connects 12V power supply, described R0 is connected with 1A, described DI is all connected with single-chip microcomputer with 2Y, described 2A is connected with 1Y, after described A serial connection associate coil (T2), be connected with Gray code absolute value encoder (J2) the 4th pin, after described B serial connection associate coil (T2), be connected with Gray code absolute value encoder (J2) tripod, described Z is connected with Gray code absolute value encoder (J2) crus secunda, described Y pin is connected with Gray code absolute value encoder (J2) the first pin.
2. topworks's location conversion module of supporting according to claim 1 gray encoding device, is characterized in that, described A, B pin are all connected with RC series filtering circuit.
3. topworks's location conversion module of supporting according to claim 1 gray encoding device, is characterized in that, described 5V power supply is connected with decoupling capacitor.
4. topworks's location conversion module of supporting according to claim 1 gray encoding device, is characterized in that, described Schmidt trigger (IC5) model is 74LVC2G14.
5. topworks's location conversion module of supporting according to claim 1 gray encoding device, is characterized in that, the model of described single-chip microcomputer is ATMEGA88.
6. according to topworks's location conversion module of the support gray encoding device described in claim 1-5 any one, it is characterized in that: the model of described RS422 circuit (IC3) is MAX3084.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310530886.6A CN103528600A (en) | 2013-10-30 | 2013-10-30 | Execution mechanism position conversion module for supporting Gray code encoder |
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| CN201310530886.6A CN103528600A (en) | 2013-10-30 | 2013-10-30 | Execution mechanism position conversion module for supporting Gray code encoder |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482946B (en) * | 2014-12-18 | 2016-08-17 | 南京科远自动化集团股份有限公司 | A kind of sensor acquisition processing method |
| CN106130538A (en) * | 2016-06-30 | 2016-11-16 | 天津市津达执行器有限公司 | A kind of circuit for Dual-encoder |
| CN109814441A (en) * | 2018-12-30 | 2019-05-28 | 芜湖哈特机器人产业技术研究院有限公司 | A kind of method that STM32 microcontroller receives absolute encoder data |
-
2013
- 2013-10-30 CN CN201310530886.6A patent/CN103528600A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482946B (en) * | 2014-12-18 | 2016-08-17 | 南京科远自动化集团股份有限公司 | A kind of sensor acquisition processing method |
| CN106130538A (en) * | 2016-06-30 | 2016-11-16 | 天津市津达执行器有限公司 | A kind of circuit for Dual-encoder |
| CN109814441A (en) * | 2018-12-30 | 2019-05-28 | 芜湖哈特机器人产业技术研究院有限公司 | A kind of method that STM32 microcontroller receives absolute encoder data |
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Application publication date: 20140122 |