FBM223 FOXBORO

CLM01.4-N-E-2-B-FW REXROTH CP1H-EPLCModbus
6SE7023-8TD61-Z+G91 SIEMENS 3Modbus TCP
A4H124-24FX ENTERASYS Modbus
1394-SJT22-T-RL A-B RXD
A4H124-24FX ENTERASYS
D136-001-007 MOOG
A4H124-24FX ENTERASYS
A4H124-24FX ENTERASYS
IS220PTURH1A GE Modbus SlaveModbus TCP
6RA7000-0MV62-0 SIEMENS Modbus PollModbus TCP
IC698CPE030 GE FP0HModbus RTU
4351B TRICONEX Modbus PollModbus RTU
6181X-12A2SW71DC A-B
TVD1.3-15-03 Indramat UNITSELMTRN

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描述

为了处理急需响应的输入信号,PLC有种种措施。不同的PLC措施也不完全相同,提高响应速度的效果也不同。一般的作法是采用输入中断,然后再输出即时刷新,即中断程序运行后,有关的输出点立即刷新,而不等到整个程序运行结束后再刷新。

NATIONAL INSTRUMENTS NI PCI-GPIB IEEE 488.2 TESTED G
National Instruments PCI-6033E MULTIFUNCTION I/O BOARD
National Instruments PCI-GPIB IEEE 488.2 183617K-01
NATIONAL INSTRUMENTS SCXI-1000 MAINFRAME W/ SCXI-1127
National Instruments PCI-MIO-16XE-50 Card
National Instruments PCI-6280, 18-Bit High-Accuracy DAQ
National Instruments PCMCIA-485/2, 2-Port RS485 Cables
National Instruments SCXI-1161 8 Form C Relay Module
National Instruments NI PXI-6722 8-Channel Analog Out
National Instruments SCXI-1326 HV Terminal Block