描述
100ms积算定时器T250～T255的定时范围为0.1～3276.7s。X1的常开触点接通时(见图3–12)，T250的当前值计数器对100ms时钟脉冲进行累加计数。X1的常开触点断开或停电时停止定时，当前值保持不变。X1的常开触点再次接通或重新上电时继续定时，累计时间(t1+t2)为1055×100ms=105.5s时，T250的触点动作。因为积算定时器的线圈断电时不会复位，需要用X2的常开触点使T250强制复位。
MICROSCOPE X & Y AXIS, MICROSCOPE PART.
TEKTRONIX TAS 465 DUAL CHANNEL OSCILLOSCOPE 100 MHZ
TOSHIBA PROSECT1 MDR28 MICRO PLC WITH CONSOLE HP911
Micro Programmable Controller
OWIS GmbH MOTORIZED 6 POSITIONING SYSTEM WITH MOTORS.
TEXAS INSTRUMENTS 560-2120 DISCRETE CPU UNIT
Texas Instruments 560-2130 64Kb Global Memory Card
IWATSU DS-6121 DIGITAL STORAGESCOPE 2CHANNEL PARTS
ERNST SA 6814 PORTABLE UNIVERS METAL HARDNESS TESTER
FANUC 1-0SP A06B-0372-B071 AC SERVO MOTOR, FANUC 1-OSP
OLYMPUS CH CHB BINOCULAR STEREOZOOM MICROSCOPE
MOTION SCIENCE DHBX5006HX 2 AXIS SERVO AMPLIFIER
UNIVERSAL WAFER HANDLING CONTROL UNIT
DADE IMMUFUGE II DIGITAL CENTRIFUGE WORKS.
Heidenhain Model: LIP 57 Linear Encoder with Optic
