描述
当输入X0接通时，定时器T200从0开始对10ms时钟脉冲进行累积计数，当计数值与设定值K123相等时，定时器的常开接通Y0，经过的时间为123×0.01s=1.23s。当X0断开后定时器复位，计数值变为0，其常开触点断开，Y0也随之OFF。若外部电源断电，定时器也将复位。
RELIANCE ELECTRIC 0-49017-14 USPP 04901714
RELIANCE ELECTRIC 109075-26V NSPP 10907526V
RELIANCE ELECTRIC 109173-024R NSPP 109173024R
9-40-GKCT Reliance 40-Gallon Natural Gas Water Heater
6-50-LORT Reliance 50-Gallon LP Gas Water Heater
Reliance 0-52840
RELIANCE ELECTRIC 0-57401 USPP 057401
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RELIANCE ELECTRIC 0-57401-2 USPP 0574012
RELIANCE/ELECTRO-CRAFT N-3412-2-H00AA SERVO MOTOR*XLNT*
RELIANCE ELECTRIC 0-57401-D USPP 057401D
P14G7505 RELIANCE
