描述
这两条指令不带操作数,JMP指令表示程序转移的开始,JME指令表示程序转移的结束。
JMP/JME指令组用于控制程序分支。当JMP条件为OFF时,程序转去执行JME后面的第一条指令;当JMP的条件为ON,则整个梯形图按顺序执行,如同JMP/JME指令不存在一样。
在使用JMP/JME指令时要注意,若JMP的条件为OFF,则JMP/JME之间的继电器状态为:输出继电器保持目前状态;定时器/计数器及移位寄存器均保持当前值。另外JMP/JME指令应配对使用,否则PLC显示出错
NATIONAL INSTRUMENTS PCI-6251 DATA ACQUISITION
NATIONAL INSTRUMENT 779015-01 USPP 77901501
New National Instruments DAQCard-6036E 16-Bit,200 kS/s
National Instruments NI PXI-5600 Card
National Instruments NI PCI-1408 Card
National Instruments NI PCI-6518 I/O Card
National Instruments AT-MIO-16X 16-Bit DAQ Board
TEKTRONIX iVIEW CABLES NATIONAL INSTRUMENTS GPIB-USB #2
TEKTRONIX iVIEW CABLES NATIONAL INSTRUMENTS GPIB-USB #3
NATIONAL INSTRUMENTS GPIB-RS232 / GPIB-SERIAL CONVERTER
National Instruments PCI-6221 16-Bit, 250 kS/s, 16 Ana
with SCB-68 Shielded Connector and SHC68-68-EPM cable
National Instruments NI PXI-6071E DAQ Board