所有的比较器，除了数字元件是用逻辑状态作为输入外，其余的都是用模拟参数的实际值作为输入。元件分为两类，多套整定值类与控制类。多套整定值类的每一个元件，都有八套可以替换的整定值，编号为 1 到 8。多套整定值类的元件的工作性能
KEBA TEACH PENDANT HT401/0V-4×20/1K4/24135 BTC 05.1B-PN
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ALLEN BRADLEY 2HP 460V AC DRIVE 1336S-BRF20-AN-EN5-L5E
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RACINE FF1 SHMM 06H 50, FLOW CONTROL VALVE, 3000 PSI, 5
ALLEN BRADLEY PowerFlex 70 1.5/2HP AC DRIVE 20A E 2P7 A
ATLAS COPCO SensorData ROTARY TRANSFORMER TORQUE SENSOR
FANUC ROBOTICS AC SERVO MOTOR a2/3000 A06B-0373-B175
RELIANCE ELECTRIC P56X2002P, AC MOTOR, 1 HP, 1725 RPM,
LINCOLN MOTORS SRN4H0.33TCN61 ENCLOSED AUTOMOTIVE DUTY
AUTOTECH CONTROLS SAC-RL100-G008M GEARED RESOLVER, NIB
STANLEY SIGMA SYSTEM CONTROLLER SG-SIGMA-202-001
