的定时值为200ms(351为500ms)，这是一个不可改变的固定值。”监控定时器总是在每个扫描开始时从零起始。如果超出监控暂停值,则OKLED消失;CPU处于复位并完全停止运转;输出进人其缺省状态。可能没有任何形式的通讯,且所有板上的所有微处理器都被中断。为了恢复,须对含有CPU的机架轮流通电。在90-20和340及更高级CPU中,监控定时器超时会导致CPU复位,执行其通电逻辑,产生一个监控定时器失效故障,使其模式回到STOP。
Lot of 10 Toshiba WLU5040(ROHS) WLM-11U1 RCPASWL10-0570.?..
Square D SK1500G2 9070 Transformer
Allen-Bradley 1305-BA06A Variable Speed Drive 380-460V
Motorola UDS DDS/MR1 AK3USA-60990-DD?-N Card
Tektronix 465 Oscilloscope two channel 100MHZ
100 AMP TYCO 600403 TAP
22 SKF FYTB 20 FM Bearings
INGERSOLL-RAND ESCB50 / ES50T 24VDC POWER SUPPLY WIT
Siemens 6EP1436-1SH01 SITOP Power 20
Omron C500-PS221-E CPU Power Unit
AD 230118 VXI Switch Module
HP 5334B Universal Counter
Wilkerson DE4-AC-520 Compact Heatless Dryer scfm 10.1
7 Peter Paul Electronics 22R9DCV Safety Valves
4 Scientific Atlanta 9650 28 Video Cipher II Receiver
5 Siemens 3RV1021-1DA10 Motor Starter Protector with
ACME Transformer T-3-53042-S General Purpose Transform
EFD 1000 DG/DT Liquid Dispenser Unit
ADC Kentrox Cellsmart 200
Lot of 4 Allen-Bradley 4406-S36044 GuardMaster Spartan
YOKOGAWA 249217-1-AHD-0-?1 Digital Switchboard Meter
