CN202694083U - Signal processing apparatus compatible with a plurality of encoder and rotary transformer interface - Google Patents

Signal processing apparatus compatible with a plurality of encoder and rotary transformer interface Download PDF

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CN202694083U
CN202694083U CN 201220174768 CN201220174768U CN202694083U CN 202694083 U CN202694083 U CN 202694083U CN 201220174768 CN201220174768 CN 201220174768 CN 201220174768 U CN201220174768 U CN 201220174768U CN 202694083 U CN202694083 U CN 202694083U
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signal
interface
circuit
absolute type
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潘海鸿
陈琳
韦庆情
钟文
罗海国
刘雪
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Guangxi University
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Guangxi University
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Abstract

The utility model discloses a signal processing apparatus compatible with a plurality of encoder and rotary transformer interfaces, at least comprising a signal input interface module, a signal conditioning circuit module, an FPGA circuit module, a signal output interface module, a signal input interface module, a signal conditioning circuit module, an FPGA circuit module and a signal output interface module which are connected in sequence. According to the apparatus, the prior increment type and absolute type and rotary transformers of various brands on the market can be compatible, the signal processing apparatus does not requires interface replacement of a detected element, more than one signal of encoders and rotary transformers can be processed simultaneously, one or more than one signal processing results can be output, the detection and processing of position, speed and angle signals of mechanical moving parts of various types are achieved, on-site debugging by the technology personnel is convenient, usage is convenient, the practicality is good, and a high real application value and good compatibility are possessed.

Description

The signal processing apparatus of a kind of compatible with multiple encoder and rotary transformer interface
Technical field
The utility model relates to the fields such as numerically-controlled machine, robot and servo control technique, a kind of interface signal treating apparatus with compatibility when being specially adapted to detect the Multi-encoding device that the position, speed, angle signal of different topworkies uses with rotary transformer.
Background technology
In the fields such as numerically-controlled machine, robot and servo control technique, the detecting unit of position control, speed control or angle control system is indispensable ingredient, its position that detects, speed or angle information improve movement velocity, precision and the efficient of equipment as the feedback signal of closed-loop control.
The detecting unit of position control, speed control or angle control system mainly adopts following three kinds of elements in the market: incremental encoder, absolute type encoder and rotary transformer.The incremental encoder volume is little, price is low, precision is high, fast response time, stable performance, is widely used in the fields such as radar, electro-optic theodolite, ground control's instrument, robot, numerically-controlled machine, servocontrol; Absolute type encoder is definitely unique by each position that mechanical location determines, strong interference immunity, be convenient to memory and preservation, can directly read absolute location information, there is not cumulative errors, the reliability of the data is high, be widely used in angle, linear measure longimetry and positioning control in the various industrial systems, the occasion higher such as accuracy requirements such as numerically-controlled machine and robots.Rotary transformer is a kind of accurate angle, position, speed detector, be applicable to all occasions, particularly high temperature of using rotary encoders, severe cold, humidity, at a high speed, the rotary encoder such as the high vibrations occasion that can't work.Because the above characteristics of rotary transformer, complete instead of optical photoelectric coder is widely used in the angle, position detecting system in the fields such as servo-control system, robot system, machine tool, automobile, electric power, Aero-Space, boats and ships, building.
For realizing the compatibility to incremental encoder and absolute type encoder, patent of invention 200810162067.X proposes a kind of AC servo driver of compatible with multiple encoder interfaces, the driver compatible incremental encoder of energy and the absolute type encoder that propose in this invention; Utility model patent 201020575348.0 has proposed the multiple position feedback of a kind of compatibility and has supported the AC servo driver of multiple bus protocol.But these patents all do not relate to the solution to the rotary transformer compatibling problem.And in the fields such as numerically-controlled machine, robot and servo control technique, in order to satisfy control system to the requirement of precision, speed, performance and environment, the detecting unit of position control, speed control or angle control system will use different detecting elements, and this just needs the signal processing apparatus of the multiple incremental encoder of a kind of compatibility of design, absolute type encoder and rotary transformer interface.
Summary of the invention
The purpose that the utility model proposes is to overcome above-mentioned the deficiencies in the prior art, the signal processing apparatus of a kind of compatible with multiple encoder and rotary transformer interface is provided, to realize that multiple incremental encoder, absolute type encoder and rotary transformer are connected with external motion control unit, be convenient to technician's field adjustable, improve practicality and the market competitiveness of signal processing apparatus.
The technical solution of the utility model is summarized as follows:
The signal processing apparatus of a kind of compatible with multiple encoder and rotary transformer interface, at least comprise signal input interface module 1, signal conditioning circuit module 2, FPGA circuit module 3, signal output interface module 4, it is characterized in that: this device can be processed the signal of more than one scramblers and rotary transformer simultaneously, and by parameter configuration, the result who selects one or more numbers of output to process; Signal input interface module 1 output terminal links to each other with signal conditioning circuit module 2 input ends, and signal conditioning circuit module 2 output terminals link to each other with FPGA circuit module 3 input pins, and FPGA circuit module 3 output pins link to each other with signal output interface module 4; The described signal of processing simultaneously more than one scramblers and rotary transformer refers to all array modes of Multi-encoding device and signals of rotating transformer.
Described signal input interface module 1 comprises incremental encoder signal input interface 11 at least, absolute type encoder signal input interface 12, signals of rotating transformer input interface 13.
Described signal conditioning circuit module 2 comprises incremental encoder signal conditioning circuit 21 at least, absolute type encoder signal conditioning circuit 22, signal conditioning circuit of rotating transformer 23.
Described FPGA circuit module 3 comprises incremental encoder signal processing unit 31 at least, absolute type encoder signal processing unit 32, signals of rotating transformer processing unit 33, signal output unit 34, and according to characteristics and the data layout of scrambler and rotary encoder output signal, adopt the programming of Verilog HDL hardware description language to realize the logic function of unit; Described absolute type encoder signal processing unit 32 comprises the river absolute type encoder signal processing unit 321 that rubs at least, Heidenhain absolute type encoder signal processing unit 322.
Described signal output interface module 4 comprises parallel signal output interface 41 and serial signal output interface 42.
Described incremental encoder signal conditioning circuit 21 comprises difference single-ended signal change-over circuit 211, photoelectric isolating circuit 212, oppositely Schmidt trigger 213; The output terminal of incremental encoder signal input interface 11 links to each other with the input end of difference single-ended signal change-over circuit 211, the output terminal of difference single-ended signal change-over circuit 211 links to each other with the input end of photoelectric isolating circuit 212, the output terminal of photoelectric isolating circuit 212 links to each other with the input end of reverse Schmidt trigger 213, and oppositely the output terminal of Schmidt trigger 213 links to each other with the input end of incremental encoder signal processing unit 31.
Described absolute type encoder signal input interface 12 comprises the river absolute type encoder signal input interface 121 that rubs at least, Heidenhain absolute type encoder signal input interface 122.
Described absolute type encoder signal conditioning circuit 22 comprises the river absolute type encoder signal conditioning circuit 221 that rubs at least, Heidenhain absolute type encoder signal conditioning circuit 222.
The described river absolute type encoder signal conditioning circuit 221 that rubs comprises difference single-ended signal change-over circuit 2211 more, photoelectric isolating circuit 2212, oppositely Schmidt trigger 2213; The river absolute type encoder signal input interface 121 that rubs links to each other with an end of difference single-ended signal change-over circuit 2211 more, the other end of difference single-ended signal change-over circuit 2211 links to each other with an end of photoelectric isolating circuit 2212, the other end of photoelectric isolating circuit 2212 links to each other with an end of reverse Schmidt trigger 2213, and oppositely the other end of Schmidt trigger 2213 links to each other with an end of the river absolute type encoder signal processing unit 321 that rubs more.
Described Heidenhain absolute type encoder signal conditioning circuit 222 comprises RS485 transceiving chip 2221, photoelectric isolating circuit 2222, oppositely Schmidt trigger 2223; One end of RS485 transceiving chip 2221 links to each other with Heidenhain absolute type encoder signal input interface 122, the other end of RS485 transceiving chip 2221 links to each other with photoelectric isolating circuit 2,222 one ends, the other end of photoelectric isolating circuit 2222 links to each other with reverse Schmidt trigger 2,223 one ends, and oppositely Schmidt trigger 2223 other ends link to each other with an end of Heidenhain absolute value encoder signal processing unit 322.
Described signal conditioning circuit of rotating transformer 23 comprises differential linearity amplifier 231, comparer 232, photoelectric isolating circuit 233, sampling hold circuit 234, A/D converter 235; The input termination signals of rotating transformer input interface 13 of differential linearity amplifier 231, the output terminal of differential linearity amplifier 231 links to each other with the input end of comparer 232 with sampling hold circuit 234 respectively, the output terminal of comparer 232 links to each other with the input end of photoelectric isolating circuit 233, the output terminal of sampling hold circuit 234 links to each other with the input end of A/D converter 235, and the output terminal of photoelectric isolating circuit 233 and A/D converter 235 links to each other with the input end of signals of rotating transformer processing unit 33 respectively.
Described signal output unit 34 is used for depositing the signal processing results of incremental encoder, absolute type encoder and rotary transformer, by the parameter configuration to the control register in the signal output unit 34, the result who selects one or more signals of output to process; The result that described more than one signals are processed refers to all array modes of Multi-encoding device and signals of rotating transformer result; Described parameter configuration be by external motion control unit by parallel signal output interface 41 or the serial signal output interface 42 control register write parameters Configuration Values in the signal output unit 34, finish the parameter configuration process; The mode of signal output comprises parallel signal output and serial output; External motion control unit is the motion control control module of equipment, can be digital signal processor DSP, single-chip microcomputer, PC, robot control unit, digital control system control module etc.
Compared with prior art, the beneficial effects of the utility model are:
This signal processing apparatus possesses the signaling interface of incremental encoder, absolute type encoder and rotary transformer, the incremental encoder signaling interface can compatible market on the incremental encoder of existing brand; The absolute type encoder of the compatible multiple popular protocol of absolute type encoder signaling interface; The rotary transformer of the various brands of signals of rotating transformer interface compatibility.Can select one or more scramblers and rotary transformer as position control by parameter configuration, the detecting element of speed control or angle control system detecting unit, having overcome existing apparatus can only select a kind of type coding device as the shortcoming of detecting element simultaneously, realized not needing to change the signal processing apparatus of detecting element interface, just can process simultaneously the signal of more than one scramblers and rotary transformer, satisfy control system to precision, speed, the requirement of performance and environment, be convenient to technician's field adjustable, easy to use, practicality is good, has good actual application value and the market competitiveness.
Description of drawings
Fig. 1 is the signal processing apparatus structural representation of a kind of compatible with multiple encoder and rotary transformer interface;
Fig. 2 is incremental encoder signal conditioning circuit instance graph;
Fig. 3 is absolute type encoder signal conditioning circuit instance graph;
Fig. 4 is the signal conditioning circuit of rotating transformer instance graph.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
In the fields such as numerically-controlled machine, robot and servo control technique, the detecting unit of position control, speed control or angle control system is indispensable ingredient.When the position of detecting different topworkies, speed, angle signal, use Multi-encoding device and rotary transformer.The utility model proposes the signal processing apparatus of a kind of compatible with multiple encoder and rotary transformer interface.This device can be processed more than one scrambler and the signal of rotary transformer simultaneously.The signal processing device interposed structure of a kind of compatible with multiple encoder and rotary transformer interface as shown in Figure 1, this signal processing apparatus comprises signal input interface module 1 at least, signal conditioning circuit module 2, FPGA circuit module 3, signal output interface module 4; Signal input interface module 1 comprises incremental encoder signal input interface 11 at least, absolute type encoder signal input interface 12, signals of rotating transformer input interface 13; Signal conditioning circuit module 2 comprises incremental encoder signal conditioning circuit 21 at least, absolute type encoder signal conditioning circuit 22, signal conditioning circuit of rotating transformer 23; FPGA circuit module 3 comprises incremental encoder signal processing unit 31 at least, absolute type encoder signal processing unit 32, signals of rotating transformer processing unit 33, signal output unit 34; Signal output interface module 4 comprises parallel signal output interface 41 and serial signal output interface 42; Signal input interface module 1 output terminal is corresponding with signal conditioning circuit module 2 input ends to link to each other, signal conditioning circuit module 2 output terminals are corresponding with FPGA circuit module 3 input pins to link to each other, FPGA circuit module 3 output pins and 4 corresponding linking to each other of signal output interface module; This device can be processed more than one scrambler and the signal of rotary transformer simultaneously, and by the parameter configuration to the control register of signal output unit 34, select the result that one or more signal of output processes and the mode of selecting signal output.
Incremental encoder signal conditioning circuit instance graph, as shown in Figure 2, this incremental encoder signal conditioning circuit 21 comprises difference single-ended signal change-over circuit 211, photoelectric isolating circuit 212, oppositely Schmidt trigger 213; The input end of difference single-ended signal change-over circuit 211 links to each other with incremental encoder signal input interface 11 output terminals, the output terminal of difference single-ended signal change-over circuit 211 links to each other with the input end of photoelectric isolating circuit 212, the output terminal of photoelectric isolating circuit 212 links to each other with the input end of reverse Schmidt trigger 213, and the output terminal of reverse Schmidt trigger 213 is processed 31 input ends with the incremental encoder signal and linked to each other.The output signal of incremental encoder is connected to difference single-ended signal change-over circuit 211 and obtains single-ended signal by incremental encoder signal input interface 11, and this single-ended signal is input in the incremental encoder signal processing unit 31 by photoelectric isolating circuit 212 and reverse Schmidt trigger 213.Incremental encoder signal processing unit 31 is realized the processing of digital filtering, sensing, two frequencys multiplication, quadruple, pulse position counting and adaptive speed leveling etc. to the incremental encoder signal.
Absolute type encoder signal conditioning circuit instance graph, as shown in Figure 3, this absolute type encoder signal input interface 12 comprises the river absolute type encoder signal input interface 121 that rubs at least, Heidenhain absolute type encoder signal input interface 122, absolute type encoder signal conditioning circuit 22 comprises the river absolute type encoder signal conditioning circuit 221 that rubs at least, Heidenhain absolute type encoder signal conditioning circuit 222, absolute type encoder signal processing unit 32 comprises the river absolute type encoder signal processing unit 321 that rubs at least, Heidenhain absolute type encoder signal processing unit 322.
The described river absolute type encoder signal conditioning circuit 221 that rubs comprises difference single-ended signal change-over circuit 2211 more, photoelectric isolating circuit 2212, reverse Schmidt trigger 2213, one end of difference single-ended signal change-over circuit 2211 links to each other with river absolute type encoder signal input interface 121 output terminals that rub more, the other end of difference single-ended signal change-over circuit 2211 links to each other with an end of photoelectric isolating circuit 2212, the other end of photoelectric isolating circuit 2212 links to each other with an end of reverse Schmidt trigger 2213, and the other end of reverse Schmidt trigger 2213 is processed 321 one ends with the river absolute type encoder signal that rubs more and linked to each other.The output signal of river absolute type encoder of rubbing is connected to difference single-ended signal change-over circuit 2211 and obtains single-ended signal by the river absolute type encoder signal input interface 121 that rubs more more, this single-ended signal is input in the river absolute type encoder signal processing unit 321 that rubs by photoelectric isolating circuit 2212 and reverse Schmidt trigger 2213 more, the river absolute type encoder signal processing unit 321 that rubs is processed signal according to the river absolute type encoder data protocol that rubs more more, thereby obtains positional value and status information.
Described Heidenhain absolute type encoder signal conditioning circuit 222 comprises RS485 transceiving chip 2221, photoelectric isolating circuit 2222, oppositely Schmidt trigger 2223; One end of RS485 transceiving chip 2221 links to each other with Heidenhain absolute type encoder signal input interface 122 output terminals, the other end of RS485 transceiving chip 2221 links to each other with photoelectric isolating circuit 2,222 one ends, the other end of photoelectric isolating circuit 2222 links to each other with reverse Schmidt trigger 2,223 one ends, and reverse Schmidt trigger 2223 other ends are processed 322 1 ends with Heidenhain absolute value encoder signal and linked to each other.The Heidenhain absolute type encoder receives output signal after the instruction that Heidenhain absolute type encoder signal processing unit 322 sends, this signal is connected to RS485 transceiving chip 2221 and obtains single-ended signal by Heidenhain absolute type encoder signal input interface 121, this single-ended signal is input in the Heidenhain absolute type encoder signal processing unit 322 by photoelectric isolating circuit 2222 and reverse Schmidt trigger 2223, Heidenhain absolute type encoder signal processing unit 322 is processed signal according to Heidenhain absolute type encoder data protocol, thereby obtains positional value and status information.
The signal conditioning circuit of rotating transformer instance graph, as shown in Figure 4, this signal conditioning circuit of rotating transformer 23 comprises differential linearity amplifier 231, comparer 232, photoelectric isolating circuit 233, sampling hold circuit 234, A/D converter 235, the input termination signals of rotating transformer input interface 13 of differential linearity amplifier 231, the output terminal of described differential linearity amplifier 231 links to each other with the input end of comparer 232 with sampling hold circuit 234 respectively; The output terminal of described comparer 232 links to each other with the input end of photoelectric isolating circuit 233; The output terminal of described sampling hold circuit 234 links to each other with the input end of A/D converter 235; The output terminal of described photoelectric isolating circuit 233 and A/D converter 235 links to each other with the input end of signals of rotating transformer processing unit 33 respectively.The cosine and sine signal of rotary transformer output, respectively after differential linearity amplification, sampling maintenance, A/D conversion and the cosine and sine signal of signal conditioning circuit of rotating transformer 23 are converted to square-wave signal, photoelectricity isolation, the signal of gained is input to signals of rotating transformer processing unit 33 and carries out the processing such as sensing segmentation and counting, and the result who is processed by signal output unit 34 output signals.
Each signal processing unit in the FPGA circuit module 3 is according to the processing of the data characteristics settling signal of corresponding encoded device and signals of rotating transformer, signal output unit 34 is used for depositing incremental encoder, the signal processing results of absolute type encoder and rotary transformer, and by the parameter configuration to the control register in the signal output unit 34, select output increment formula scrambler, the river absolute type encoder rubs more, the result of any one processing in Heidenhain absolute type encoder and the signals of rotating transformer result, or the result of any two kinds signal processing, or the result of any three kinds of signals processing or whole signal, and signal processing results can be exported in the mode of parallel signal output or serial output; Parameter configuration be by external motion control unit by parallel signal output interface 41 or the serial signal output interface 42 control register write parameters Configuration Values in the signal output unit 34, finish the parameter configuration process.External motion control unit is the motion control control module of equipment, can be digital signal processor DSP, single-chip microcomputer, PC, robot control unit, digital control system control module etc.
In this instructions, should be pointed out that above embodiment only is the more representational example of the utility model.Obviously, the utility model patent is not limited to above-mentioned specific embodiment, can also make various modifications, conversion and distortion.Therefore, instructions and accompanying drawing are regarded in an illustrative, rather than a restrictive.Every foundation technical spirit of the present utility model all should be thought to belong to protection domain of the present utility model to any simple modification, equivalent variations and modification that above embodiment does.

Claims (12)

1. the signal processing apparatus of a compatible with multiple encoder and rotary transformer interface, at least comprise signal input interface module (1), signal conditioning circuit module (2), FPGA circuit module (3), signal output interface module (4), it is characterized in that: this device can be processed the signal of more than one scramblers and rotary transformer simultaneously, and by parameter configuration, the result of one or more signal processing is exported in selection; Signal input interface module (1) output terminal links to each other with signal conditioning circuit module (2) input end, signal conditioning circuit module (2) output terminal links to each other with FPGA circuit module (3) input pin, and FPGA circuit module (3) output pin links to each other with signal output interface module (4); The described signal of processing simultaneously more than one scramblers and rotary transformer refers to all array modes of Multi-encoding device and signals of rotating transformer.
2. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 1 and rotary transformer interface, it is characterized in that: described signal input interface module (1) comprises incremental encoder signal input interface (11) at least, absolute type encoder signal input interface (12), signals of rotating transformer input interface (13).
3. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 1 and rotary transformer interface, it is characterized in that: described signal conditioning circuit module (2) comprises incremental encoder signal conditioning circuit (21) at least, absolute type encoder signal conditioning circuit (22), signal conditioning circuit of rotating transformer (23).
4. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 1 and rotary transformer interface, it is characterized in that: described FPGA circuit module (3) comprises incremental encoder signal processing unit (31) at least, absolute type encoder signal processing unit (32), signals of rotating transformer processing unit (33), signal output unit (34), and according to characteristics and the data layout of scrambler and rotary encoder output signal, adopt the programming of Verilog HDL hardware description language to realize the logic function of unit; Described absolute type encoder signal processing unit (32) comprises the river absolute type encoder signal processing unit (321) that rubs at least, Heidenhain absolute type encoder signal processing unit (322).
5. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 1 and rotary transformer interface, it is characterized in that: described signal output interface module (4) comprises parallel signal output interface (41) and serial signal output interface (42).
6. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 3 and rotary transformer interface, it is characterized in that: described incremental encoder signal conditioning circuit (21) comprises difference single-ended signal change-over circuit (211), photoelectric isolating circuit (212), oppositely Schmidt trigger (213); The output terminal of incremental encoder signal input interface (11) links to each other with the input end of difference single-ended signal change-over circuit (211), the output terminal of difference single-ended signal change-over circuit (211) links to each other with the input end of photoelectric isolating circuit (212), the output terminal of photoelectric isolating circuit (212) links to each other with the input end of reverse Schmidt trigger (213), and oppositely the output terminal of Schmidt trigger (213) links to each other with the input end of incremental encoder signal processing unit (31).
7. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 2 and rotary transformer interface, it is characterized in that: described absolute type encoder signal input interface (12) comprises the river absolute type encoder signal input interface (121) that rubs at least, Heidenhain absolute type encoder signal input interface (122).
8. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 3 and rotary transformer interface, it is characterized in that: described absolute type encoder signal conditioning circuit (22) comprises the river absolute type encoder signal conditioning circuit (221) that rubs at least, Heidenhain absolute type encoder signal conditioning circuit (222).
9. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 8 and rotary transformer interface, it is characterized in that: the described river absolute type encoder signal conditioning circuits (221) that rub comprise difference single-ended signal change-over circuit (2211) more, photoelectric isolating circuit (2212), oppositely Schmidt trigger (2213); The river absolute type encoder signal input interface (121) that rubs links to each other with an end of difference single-ended signal change-over circuit (2211) more, the other end of difference single-ended signal change-over circuit (2211) links to each other with an end of photoelectric isolating circuit (2212), the other end of photoelectric isolating circuit (2212) links to each other with an end of reverse Schmidt trigger (2213), and oppositely the other end of Schmidt trigger (2213) links to each other with an end of the river absolute type encoder signal processing unit (321) that rubs more.
10. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 8 and rotary transformer interface, it is characterized in that: described Heidenhain absolute type encoder signal conditioning circuit (222) comprises RS485 transceiving chip (2221), photoelectric isolating circuit (2222), oppositely Schmidt trigger (2223); One end of RS485 transceiving chip (2221) links to each other with Heidenhain absolute type encoder signal input interface (122), the other end of RS485 transceiving chip (2221) links to each other with an end of photoelectric isolating circuit (2222), the other end of photoelectric isolating circuit (2222) links to each other with an end of reverse Schmidt trigger (2223), and oppositely Schmidt trigger (2223) other end links to each other with an end of Heidenhain absolute type encoder signal processing unit (322).
11. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 3 and rotary transformer interface, it is characterized in that: described signal conditioning circuit of rotating transformer (23) comprises differential linearity amplifier (231), comparer (232), photoelectric isolating circuit (233), sampling hold circuit (234), A/D converter (235); The input termination signals of rotating transformer input interface (13) of differential linearity amplifier (231), the output terminal of differential linearity amplifier (231) links to each other with the input end of comparer (232) with sampling hold circuit (234) respectively, the output terminal of comparer (232) links to each other with the input end of photoelectric isolating circuit (233), the output terminal of sampling hold circuit (234) links to each other with the input end of A/D converter (235), and the output terminal of photoelectric isolating circuit (233) and A/D converter (235) links to each other with the input end of signals of rotating transformer processing unit (33) respectively.
12. the signal processing apparatus of a kind of compatible with multiple encoder according to claim 4 and rotary transformer interface, it is characterized in that: described signal output unit (34) is used for depositing the signal processing results of incremental encoder, absolute type encoder and rotary transformer, by the parameter configuration to the control register in the signal output unit (34), the result who selects one or more signals of output to process; The result that described more than one signals are processed is all array modes of Multi-encoding device and signals of rotating transformer result; Described parameter configuration be by external motion control unit by parallel signal output interface (41) or serial signal output interface (42) the control register write parameters Configuration Values in the signal output unit (34), finish the parameter configuration process.
CN 201220174768 2012-04-24 2012-04-24 Signal processing apparatus compatible with a plurality of encoder and rotary transformer interface Withdrawn - After Issue CN202694083U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102624375A (en) * 2012-04-24 2012-08-01 广西大学 Signal processing device compatible with multiple kinds of interfaces of encoders and rotary transformers
CN103176450A (en) * 2013-02-01 2013-06-26 北京配天大富精密机械有限公司 Servo drive device and servo control system
CN106200561A (en) * 2016-07-31 2016-12-07 上海新时达电气股份有限公司 Coder controller and collocation method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102624375A (en) * 2012-04-24 2012-08-01 广西大学 Signal processing device compatible with multiple kinds of interfaces of encoders and rotary transformers
CN103176450A (en) * 2013-02-01 2013-06-26 北京配天大富精密机械有限公司 Servo drive device and servo control system
CN103176450B (en) * 2013-02-01 2016-08-03 北京配天技术有限公司 Servo drive and servo-control system
CN106200561A (en) * 2016-07-31 2016-12-07 上海新时达电气股份有限公司 Coder controller and collocation method

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