CN203387491U - Servo-driver I/O interface circuit - Google Patents
Servo-driver I/O interface circuit Download PDFInfo
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- CN203387491U CN203387491U CN201320487174.6U CN201320487174U CN203387491U CN 203387491 U CN203387491 U CN 203387491U CN 201320487174 U CN201320487174 U CN 201320487174U CN 203387491 U CN203387491 U CN 203387491U
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- diode
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- servo
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Abstract
The utility model provides a servo-driver I/O interface circuit including a digital-signal input end, a voltage input end, a first diode, a second diode, a third diode, a fourth diode, a first capacitor, a first inductor, and a first amplifier. The cathode of the first diode is connected with the cathode of the third diode. The anode of the first diode is connected with the anode of the second diode. The cathode of the second diode is connected with the cathode of the forth diode. The digital-signal input end is connected with the anodes of the first diode and the second diode. The voltage input end is connected with the anodes of the third diode and the forth diode. One end of the first capacitor is connected with the cathode of the third diode and the other end of the first capacitor is connected with the cathode of the forth diode. One end of the first inductor is connected with the cathode of the third diode and the other end of the first inductor is connected with the cathode of the forth diode. The anode of the first amplifier is connected with the cathode of the third diode and the cathode of the first amplifier is connected with the cathode of the forth diode. The servo-driver I/O interface circuit is enabled to have a high precision through specific arrangement of element configuration of the circuit.
Description
Technical field
The utility model belongs to technical field of electricity, relates to a kind of servo-driver, particularly relates to a kind of servo-driver I/O interface circuit.
Background technology
Along with the development of power electronic technology, Control of AC Servo Drives reaches application widely.The future development that existing servo controller is little towards volume, function is many, densely arranged at the inner various circuit of servo controller, the anti-electromagnetic interference capability of servo controller types of functionality module has been proposed to new requirement.
Servo-driver I/O interface circuit refers to that the digital signal that D/A converter module is converted to inputs to the intermediate circuit of control module.Because the servo-driver precision prescribed is high, antijamming capability is strong, so the I/O interface circuit also must have higher antijamming capability and precision.
The utility model content
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the servo-driver I/O interface circuit that a kind of antijamming capability is strong.
The purpose of this utility model can realize by following technical proposal: a kind of servo-driver I/O interface circuit, and it comprises digital signal input end, voltage input end, the first diode, the second diode, the 3rd diode, the 4th diode, the first electric capacity, the first inductance, the first amplifier; The first diode cathode is connected with the 3rd diode cathode, and the first diode cathode accesses the second diode cathode, and the second diode cathode is connected with the 4th diode cathode; Digital signal input end accesses the first diode and the second diode cathode, voltage input end access the 3rd diode and the 4th diode cathode; The first electric capacity one termination enters the 3rd diode cathode, other end access the 4th diode cathode; The first inductance one termination enters the 3rd diode cathode, other end access the 4th diode cathode; The first amplifier anode access the 3rd diode cathode, negative pole access the 4th diode cathode.
Further, also comprise the first resistance, the 5th diode; Described the 5th diode cathode access voltage input end, negative pole accesses the first resistance, the first resistance other end access the 3rd diode and the 4th diode cathode.
Further, also comprise the first triode, the second resistance, the 6th diode; Described the first transistor base accesses the first amplifier in, grounded emitter, and collector electrode is connected after the second resistance and the 6th diode and is accessed output, wherein the 6th diode cathode access output.
The configuration of each item of the utility model by circuit specifically is set, make that servo-driver I/O interface circuit precision is high, Electro Magnetic Compatibility is strong, effectively the digital signal of amplifier digital signal input part input can effectively suppress other noise signals again, makes servo-driver have higher precision and response speed faster.
The accompanying drawing explanation
Fig. 1 is circuit theory schematic diagram of the present utility model.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
Please refer to Fig. 1, the utility model servo-driver I/O interface circuit, it comprises digital signal input end int, voltage input end Vcc, the first diode D1, the second diode D2, the 3rd diode D3, the 4th diode D4, the first capacitor C 1, the first inductance L 1, the first amplifier N1; The first diode D1 negative pole is connected with the 3rd diode D3 negative pole, the anodal access of the first diode D1 the second diode D2 positive pole, and the second diode D2 negative pole is connected with the 4th diode D4 negative pole; Digital signal input end int accesses the first diode D1 and the second diode D2 positive pole, voltage input end Vcc access the 3rd diode D3 and the 4th diode D4 positive pole; The first capacitor C 1 one terminations enter the 3rd diode D3 negative pole, other end access the 4th diode D4 negative pole; The first inductance L 1 one terminations enter the 3rd diode D3 negative pole, other end access the 4th diode D4 negative pole; The first amplifier anode access the 3rd diode D3 negative pole, negative pole access the 4th diode D4 negative pole.
Preferably, servo-driver I/O interface circuit of the present utility model also comprises the first resistance R 1, the 5th diode D5; The anodal access of described the 5th diode D5 voltage input end Vcc, negative pole accesses the first resistance R 1, the first resistance R 1 other end access the 3rd diode D3 and the 4th diode D4 positive pole.
Further, also comprise the first triode T1, the second resistance R 2, the 6th diode D6; Described the first triode T3 base stage accesses the first amplifier N1 input, grounded emitter, and collector electrode is connected after the second resistance R 2 and the 6th diode D6 and is accessed output, wherein the 6th diode D6 negative pole access output.
The configuration of each item of the utility model by circuit specifically is set, make that servo-driver I/O interface circuit precision is high, Electro Magnetic Compatibility is strong, effectively the digital signal of amplifier digital signal input part input can effectively suppress other noise signals again, makes servo-driver have higher precision and response speed faster.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Claims (3)
1. a servo-driver I/O interface circuit, is characterized in that: comprise digital signal input end, voltage input end, the first diode, the second diode, the 3rd diode, the 4th diode, the first electric capacity, the first inductance, the first amplifier; The first diode cathode is connected with the 3rd diode cathode, and the first diode cathode accesses the second diode cathode, and the second diode cathode is connected with the 4th diode cathode; Digital signal input end accesses the first diode and the second diode cathode, voltage input end access the 3rd diode and the 4th diode cathode; The first electric capacity one termination enters the 3rd diode cathode, other end access the 4th diode cathode; The first inductance one termination enters the 3rd diode cathode, other end access the 4th diode cathode; The first amplifier anode access the 3rd diode cathode, negative pole access the 4th diode cathode.
2. servo-driver I/O interface circuit according to claim 1, is characterized in that: also comprise the first resistance, the 5th diode; Described the 5th diode cathode access voltage input end, negative pole accesses the first resistance, the first resistance other end access the 3rd diode and the 4th diode cathode.
3. servo-driver I/O interface circuit according to claim 1 and 2, is characterized in that: also comprise the first triode, the second resistance, the 6th diode; Described the first transistor base accesses the first amplifier in, grounded emitter, and collector electrode is connected after the second resistance and the 6th diode and is accessed output, wherein the 6th diode cathode access output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487174.6U CN203387491U (en) | 2013-08-07 | 2013-08-07 | Servo-driver I/O interface circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320487174.6U CN203387491U (en) | 2013-08-07 | 2013-08-07 | Servo-driver I/O interface circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387491U true CN203387491U (en) | 2014-01-08 |
Family
ID=49875939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320487174.6U Expired - Lifetime CN203387491U (en) | 2013-08-07 | 2013-08-07 | Servo-driver I/O interface circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203387491U (en) |
-
2013
- 2013-08-07 CN CN201320487174.6U patent/CN203387491U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 315111 five Town Industrial Zone, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO XINGTAI TECHNOLOGY Co.,Ltd. Address before: 315111 Zhejiang city of Ningbo province Yinzhou District Wuxiang Industrial Park Xin Shui Road No. 6 Patentee before: NINGBO XINGTAI MACHINERY Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140108 |