描述
定时器的复位/置位会在程序的大约一次扫描(最多两次扫描)内发生。在如此短的时间内，定时器的连续置位和复位使定时器触点动作如同受脉冲激励。使用定时器T001的常开触点驱动ALT指令说明了这一点。每过20秒，Y001和Y002的输出状态互换。
HP / Philips M3046A Main CPU Board M3046-66502 A3810
Fanuc Main CPU Board A16B-2200-0200/03A
One-day shipping available
Fanuc RF Axis CPU Board A16B-1210-0020
One-day shipping available
Varian 3400 CPU Board / With Autosampler Control
Muegge CPU Board MW-LSCE3327-6K-006 #23203
HONEYWELL CPU BOARD CENTRAL PROCESSOR CARD 30752381-001
Muegge CPU Board MW-LSCE3327-6K-006 #23202
INTELLEDEX 319009 CPU BOARD
SVG 80035B CPU Board for SVG-8020SSC Track Controller
One-day shipping available
