描述
由扫描工作方式引起的滞后时间最长可达两个多扫描周期。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。
FANUC A-16B-3200-0412/04A MAIN CPU BOARD
Adept Technology RS232 Comms and CPU Board 10332-31150
Expedited shipping available
Cybelec DNC 90 CPU Board
DEC 54-24773-03 500MHZ CPU BOARD
SIEMENS MODEL SMP-E19-A84 CPU BOARD BEHR E03110014 NEW
ABB CPU Board 3HAB 2241-1 / 06A #29138
Centigram 2410-0257-42 CPU Board, by AMDEV
AMDEV Communications, 21 Years in Voicemail 1989-2010
Centigram 2410-0257-41 CPU Board, by AMDEV
AMDEV Communications, 21 Years in Voicemail 1989-2010
K-TRON 919170002 CPU BOARD 9191700020 -1 YR GUARANTEE
One-day shipping available
USED Allen Bradley 8600-F12A MC/TC CPU Board
Expedited shipping available
GOSS STORK CONTIWEB PLC CPU BOARD
