一個(gè)比較器可以進(jìn)行多種測試,并提供多個(gè)輸出。例如,時(shí)間過流比較器在輸入電流大于整定值時(shí),設(shè)置-個(gè)起動標(biāo)志,當(dāng)輸入電流已經(jīng)超過起動整定值,并保持一個(gè)由電流時(shí)間曲線所指定的時(shí)間時(shí),又設(shè)置一個(gè)動作標(biāo)志。所有的比較器,除了數(shù)字元件是用邏輯狀態(tài)作為輸入外,其余的都是用模擬參數(shù)的實(shí)際值作為輸入。
SIEMENS CONTROLLER CARD 6SN1118-0DJ21-0?AA0
RELIANCE ELECTRIC SERVO MOTOR M-51017
RELIANCE ELECTRIC SERVO MOTOR M-51043
RELIANCE AC SYNCHRONOUS MOTOR B14H1060N-TW
ALLEN BRADLEY POINT MODULE 1791-24B8
GOULD BRUSHLESS SERVO MOTOR CGP34-RB
OMRON CPU UNIT C200H-CPU01-E
ALLEN BRADLEY MPL-A540F-MJ24A?A SERVO MOTOR
ABB ACS 600 ACS601-0006-4-S?00B1-200801
CUSTOM SERVO MOTOR NB1141FRMG-373
SEM DC MOTOR HD115C6-645
ELECTRO CRAFT SERVO MOTOR H-4050-P-H00AA
SIEMENS SERVO MOTOR 1FK7042-5AF71-1?AH3
SIEMENS SIMODRIVE 6SN1123-1AA00-0?HA1
WOOD AC INVERTER WFC4005-0C
INDRAMAT MAC092B-0-QD-4-?C/095-B-0/W1518?L V MOTOR
SIEMENS SERVO MOTOR 1FT6031-4AK71-3?EB1
ORMEC SERVO MOTOR MAC-B050/K1A # 130042861316