廈門興銳嘉進出口有限公司 主營DCS系統(tǒng)的配件，PLC系統(tǒng)的配件。主營：Bentley本特利，Invensys英維思，Woodward伍德沃德，F(xiàn)oxboro福克斯波羅、Westinghouse西屋、Ryan瑞恩、Schneider Modicon施耐德莫迪康、ABB、AB、Siemens西門子、Motorola摩托羅拉、GE FANUC 羅克韋爾Allen-Bradley GE發(fā)那科、yaskawa安川、bosch rexroth博世力士樂，ACSO、YOKOGAWA橫河，Rexroth力士樂等各的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。真誠歡迎您的光臨與合作。
主營產品，優(yōu)勢供應，充足庫存：
l FOXOBORO(福克斯波羅) I/A：AW51B,P0400YC FBM02,P0400YV FBM18,P0400ZE FBM04,P0914WM FBM241C,FBM217 P0914TR,FBM242 P0916TA,CP40B P0961BC,FBM44 P0950BN等。l Westinghouse(西屋)：OVATION系統(tǒng)、WDPF系統(tǒng)、WEStation系統(tǒng)備件。
l ALSOM MOTOROLA MVME系列：MVME 162-12、MVME 167-02、MVME177-004、等系列。
l HP（惠普）:工作站、服務器、HP 9000 工作站、HP 75000 系列備件、HP VXI 測試設備。
l Honeywell（霍尼韋爾）：DCS系統(tǒng)備件模件、HONEYWELL TDC系列， QCS,S9000等備件。
l Yaskawa（安川）：伺服控制器、伺服馬達、伺服驅動器。
l Allen Bradley（羅克韋爾）: 1756/ 1771/ 1785/ 2711系例、Reliance機電等產品。
l Woodward（伍德沃德）：SPC閥位控制器、PEAK150數(shù)字控制器。
l NETWORK APPLIANCE：數(shù)據(jù)儲存模塊。
l Schneider（施耐德）：MODICON 140系列、Quantum內存卡、Quantum電源模塊等。
l XYCOM：XVME-103、XVME-690、VME總線等備件。
l FANUC（法那克）：模塊、卡件、驅動器等各類備件。NOKI（尼康）：卡件、模塊備件。
l SIEMENS（西門子）：Siemens Iskamatic，Siemens Simatic S5，Siemens Simatic C1，數(shù)控系統(tǒng)等。
l Bosch Rexroth(力士樂)：電子傳動與控制，I/O模塊,PLC控制器,驅動器等。
l Rexroth Indramat：特殊產品。 ※貝加萊（B&R）：PLC
l ABB:ABB Masterpiece200/AC450,ABB Masterview 850/1,Advant OCS,MOD 30/MODCELL,MOD 300,Bailey INFI90,ABB Procontic,ABB Procontrol.等系統(tǒng)備件。
l TOSHIBA 東芝：DSV1-DA,VCM1X4 2N8C2184P001-G,VCMIX4,VPCPX1,VBMPX1,等。
l HITACHI 日立：AIC200,CAM810,CPU800,CRT860,CTR850,CRT870,FLP800A,DHW850等
1、For switching quantity control
The ability of PLC to control the switching quantity is very strong. The number of points controlled in and out, less than a dozen points, dozens of points, more can be hundreds, thousands, or even tens of thousands of points, because it can network, the number of points is almost unlimited, no matter how many points can be controlled, the logic of the control can be a variety of issues: combination, timing, instant, delay, no counting, the need to count, fixed order, random work, etc., can be carried out.
The hardware structure of the PLC is variable and the software program is programmable, which is very flexible when used for control. Multiple sets or groups of programs can be written when necessary and called as needed. It is very adaptable to the industrial site multiple conditions, multiple state transbbbbation needs.
PLC for switching control is a lot of examples, bbbbllurgy, machinery, light industry, chemical industry, textile, etc., almost all industrial industries need to use it. At present, the goal of the first PLC, but also other controllers can not be compared with it, is that it can be easily and reliably used for switching control. 2, for analog control
Analog quantities, such as current, voltage, temperature, pressure, etc., its size is continuously changing. Industrial production, especially the continuous production process, often to control these physical quantities.
As an industrial control electronics, PLC can not control these quantities, it is a major deficiency, for which the PLC manufacturers are in this area for a lot of development. At present, not only large, medium-sized machine can be analog control, is a small machine, can also be such control. PLC for analog control, to be configured with analog and digital conversion of the A/D, D / A unit. It is also the I/O unit, but it is a special I/O unit.
A/D unit is the analog quantity of the external circuit, converted into digital quantity, and then sent to the PLC; D/A unit, is the digital quantity of the PLC into analog quantity, and then sent to the external circuit. As a special I/O unit, it still has the characteristics of I/O circuit anti-interference, internal and external circuit isolation, and bbbbb and output relays (or internal relays, which is also a zone of PLC working memory, can read and write) to exchange inbbbbation and so on.
Here the A in the A/D, mostly current, or voltage, but also temperature. the A in the D / A, mostly voltage, or current. Voltage, current change range is mostly 0 ~ 5V, 0 ~ 10V, 4 ~ 20mA, some can also handle positive and negative values. Here the D, small machines are mostly 8-bit binary numbers, medium and large are mostly 12-bit binary numbers. a / d, d / a single, there are also multiple. Multiplex accounts for more bbbbb and output relays. With A/D, D / A unit, the rest of the processing are digital, which is not difficult for PLC with inbbbbation processing capabilities. Medium and large PLC processing power is stronger, not only can be digital addition, subtrbbbbbb, multiplication, division, but also open square, interpolation, but also floating point operations, some have PID instructions, can be the deviation of the system amount of proportional, differential, integral operations, and then produce the corresponding output, the computer can calculate almost all of it can calculate.
In this way, the use of PLC to achieve analog control is entirely possible.
PLC for analog control, and A/D, D / A combination of units together, and the use of PID or fuzzy control algorithms to achieve control, you can get a very high quality of control. The advantage of using PLC for analog control is that in the analog control at the same time, the switch can also be controlled. This advantage is that other controllers do not have, or control is not as convenient as the implementation of PLC. Of course, if the system is purely analog, the use of PLC may be in the perbbbbance to price ratio is not as good as the use of regulators.
3, for motion control
The actual physical quantities, in addition to switching, analog, and motion control. Such as the displacement of machine parts, often expressed in digital quantities. Motion control, an effective approach is NC, that is, digital control technology. This is a computer-based control technology born in the United States in the 1950s. Today has been very popular, and also very well. At present, advanced bbbbl cutting machine tools, the rate of NC has been more than 40% to 80%, and some even higher. PLC is also based on computer technology, and increasingly perfect. PLC can receive counting pulses, the frequency can be as high as a few k to tens of k Hz, available in a variety of ways to receive the pulse, but also multiplexed reception. Some PLC and pulse output function, pulse frequency can also reach tens of k, with these two functions, coupled with the PLC has data processing and computing capabilities, if equipped with the corresponding sensors (such as rotary encoders) or pulse servo device, it can be fully in accordance with the principle of NC to achieve a variety of control. High-grade, mid-range PLC, but also developed NC unit, or motion unit, can achieve point control. Motion units can also achieve curve interpolation, can control the curve movement.
Translated with www.DeepL.com/Translator (free version)
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