第一个例子试图建立–个能计算开关%10001闭合次数的计算回路,但不成功。运行结果存储在寄存器%R0002中。这个设计的目的是当%10001闭合时,ADD指令将%R0002中的数值加1,并将新的数值返回到%R0002。这个设计的问题是%10001闭合时,ADD指令执行一次时间为一个PLC扫描时间。所以,例如,%10001保持闭合状态5次扫描时间,输出就将增加5次,即使%10001在那个时期只闭合了–次。
Dynisco Signal Conditioner RT350-V1, 115 VAC #32993
$140.00
Free shipping
Barber Colman AT-580 Temperature Controller #32903
Assembly Products Qualifier AQGFR-0B4 Controller #13908
Allen Bradley 2755-DM6 Bar Code Decoder #7785
Allen Bradley 1747-L524 SLC 500 Processor Unit #25205
RJG Technologies Control Module 3016C-02 #22938
RJG Technologies Control Module 2015-02T-AZ #22942
RJG Technologies Control Module 2015-02T-AZ #22945
Allen Bradley Overload Relay 193-A1L4 #25685
Gould Limit Switch L100WTL, RB Denison Lox #25656
Allen Bradley Device Net Module 1734D-IA16, #20987
Westinghouse Circuit Breaker FB3040, 40 Amp #29953
TDK Power Supply TRM032GB #14175
Siemens Sitop Power Supply 6EP1 334-2BA00 #20984
Vickers Control Valve DG5S-8-2C-T-M-F?W-B5-30 #13482
Vickers Valve DG4V-3S-6C-M-FW?-B5-60 #13293
NDH Ball Bearing 903216 #12672
Watlow Temperature Control 96A0-FDAA-00RG #16832
IFM Pressure Monitor PN 7022 Efector #8564