福建中立恒自动化设备有限公司
输入/输出滞后时间又称系统响应时间,是指PLC部输入信号发生变化的时刻至它控制的有关外部输出信号发生变化的时刻之间的时间间隔,它由输入电路滤波时间、输出电路的滞后时间和因扫描工作方式产生的滞后时间这三部分组成。
输入模块的RC滤波电路用来滤除由输入端引入的干扰噪声,因外接输入触点动作时产生的抖动引起的不良影响,滤波电路的时间常数决定了输入滤波时间的长短,其典型值为10ms左右。
输出模块的滞后时间与模块的类型有关,继电器型输出电路的滞后时间一般在10ms左右;双向晶闸管型输出电路在负载通电时的滞后时间约为1ms,负载由通电到断电时的滞后时间为10ms;晶体管型输出电路的滞后时间一般在1ms以下。
PLC总的响应延迟时间一般只有几十ms,对于一般的系统是无关紧要的。要求输入输出信号之间的滞后时间尽量短的系统,可以选用扫描速度快的PLC或采取其他措施。
以下链接皆有货
CELERITY UNIT / DEVICENET UFC-8165 / SIH4 / 50CC / 0190-24842-002
CELERITY UNIT / DEVICENET UFC-8165 / H2 / 1L / 0190-24834-002
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CELERITY UNIT / DEVICENET UFC-8165 / AR / 3L / 0190-24841-002
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GMP STX00M 112207 REV 4.1
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CELERITY UNIT / DEVICENET UFC-8165 / NF3/ 400SCCM / 0190-26138-02
ASM PSB 2421534-21 REV D BOARD
DUAL CHANNEL AQUISTION ASSY 865-8023-004-01 MABM008
Mitutoyo MOTIC Plan Apo ELWD 10x0.28 WD=33.5 Microscope Objective Lens
BR X20 BB 81 REV. D0
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Yaskawa Servopack SGDM-A5ADA VER 35942-2 SGDM-A5ADAY702
Yaskawa Servopack SGDM-A3ADA-R VER 900F
Yaskawa Servo Motor SGMAH-02AAF41
TOSHIBA TELI CCD CAMERA CS8320Bi TK5943A8
HORIBASTEC SV-P1102-003 MASS FLOW CONTROLLER
CELERITY UNIT / DEVICENET UFC-8565C / N2 / 750SCCM / 0190-16329-004
BR ETHERNET POWERLINK X20SL8000 X20 SL 8000 REV E0
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SIEMENS SIMATIC S7-200 / 6ES7 216-2BD21-0XB0
TDK LAMBDA POWER SUPPLY HWS80A-3/A
LENZE PROFIBUS-DP EPL-10200-XX
OREINTAL MOTOR BRUSHLESS DC MOTOR DRIVE BOARD K0557-D
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mahlo 1.1990.034/09
SIEMENS SIRIUS 3RA6120-1EB32
BR Automation 8AC122.60-3 REV G0
CKD VALVE LYX-1371
FESTO PROPORTIONAL-PRESSURE REGULATOR VPPE-3-1-1/8-10-010-E1 / 557773
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SMC PF2A521-03-2 FLOW SWITCH
BR 8CH010.12-1 ACP REV. C0 motor hybrid cable
CELERITY UNIT / DEVICENET UFC-8165C / N2 / 15000SCCM / 0190-16323-002
Procon Gear Pump MODEL 10767 / A4519 / CA454-05201
Procon Gear Pump MODEL 10779 / A5122 / CA354-05980
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JEOL-TECHNICS BOARD PP02251B-0
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ASTEC MVP MP1-3U-3U-30 73-690-4072
ARBOR 1010010004120 EM104P-LAN100N REV 1.1-12
GMP STX00-MOT 071122 rev 1.0 PCB ASSY MOTOR DRIVE CC903-67223
Edwards Eason Alarm NRY0DN101CE 2xIGX600L/2xIGX600M
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MITSUBISHI INVERTER FR-S500 FR-S520SE-0.2K-EC
Olympus flexible fiberscopes IC36B-15
RadiSys SBC 552B 879-8103-002-A 61-0881-10
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SPELLMAN VP10N10/24 24V 1A
ASML/SVG DUAL CHANNEL AQUISITION VME BOARD 865-8010-005 B
PRI Keypad BM2540 R C
LEICA Microscope Objective GERMANY PL FLOUTAR LENS 20x/0.45 567051
Yaskawa Servopack 200V SGDH-04AE 35840
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