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。
One-day shipping available
Pacific Scientific Servo Motor M/N R8AGENA-R2-NS-NV-00
NEW PACIFIC SCIENTIFIC SK53DYY1YY-Y05 AC SERVO MOTOR
Expedited shipping available
PACIFIC SCIENTIFIC SC905-001-01 SERVO DRIVE *NICE*
One-day shipping available
CABLE TENSION * R841001-42-2A (MFR Pacific Scientific)
MOTION CONTROLLER PACIFIC SCIENTIFIC SC453
PACIFIC SCIENTIFIC SCE905-AN-002-01 USPP SCE905AN00201
Pacific Scientific SC900 Digital Servo Drive SC902
PACIFIC SCIENTIFIC SCE904-AN-002-01 USPP SCE904AN00201
Pacific Scientific Servo Controller SC755A040-08 SVG 90
Pacific Scientific Servo Controller 121-236 SVG 90S
SVG Pacific Scientific Spindle Controller SC755A040-08
