PLC在执行梯形图程序时，用解释程序将它翻译成汇编语言然后执行（PLC内部增加了解释程序）。与直接执行汇编语言编写的用户程序相比，执行梯形图程序的时间要长一些，但对于大多数机电控制设备来说，是微不足道的，完全可以满足控制要求。
FANUC BOARD A16BA
MITSUBISHI AC SERVO DRIVE
ALPHA GEARBOX SP 100-M1-10
SIEMENS SERVO MOTOR 1FK7083-5AH71-1EA5
FANUC DRIVE A06B-6089-H105
FANUC CONTROLLER CARD A16BA
SIEMENS SITOP POWER MODULE 6EP1336-2BA00
MKS INSTRUMENTS INC. 024BA-12392
SIEMENS SERVO MOTOR 1FK7063-5AH71-1GH0
ACME TRANSFORMER TA-83220
SIEMENS SERVO MOTOR 1FK7100-5AF71-1SH5
SIEMENS SERVO MOTOR 1FK7040-5AK71-1SH0
PACIFIC SCIENTIFIC MOTOR AND CONTROL DIVISION SC722A001
ALLEN BRADLEY DRIVE 1336-B020-EAE-FA2
HEIDENHAIN ENCODER ROD 426 3000
SERVO MOTOR , B32
BOSCH SERVO MOTOR 776
ALLEN BRADLEY DC SERVO CONTROLLER 1388B-AV10
ALLEN BRADLEY SERVO CONTROLLER 1391-AA45
ALLEN BRADLEY VERSAVIEW CE LOGIC MODULE 6189-RPEHA
THERMAL OVERLOAD RELAY,FTP11P-18
ALLEN BRADLEY 1336 PLUS SENSORLESS DRIVE 1336F-CWF100-AN-EN SER A
ALLEN BRADLEY AC SERVO CONTROLLER 1394-AM04 SER B
SIEMENS SERVO MOTOR 1FK7060-5AH71-1EB0
HEIDENHAIN ENCODER ERN 1387.
FANUC TEACH PENDANT A05B-2051-C143
FANUC BOARD A16BA
SIEMENS SERVO MOTOR 1FK7083-5AH71-1EA5
SIEMENS SERVO MOTOR 1FT6086-1AF71-4EG1
SIEMENS SERVO MOTOR 1FK7063-5AF71-1TH2
FANUC CONTROLLER CARD A16BA
CONTROL TECHNIQUE DRIVE MD
ALLEN BRADLEY AC SERVO CONTROLLER 1391B-AA15
STEGMANN ENCODER 4124FESR0000
ALLEN BRADLEY REDI STATION 800T-024
CINCINNATI VICKERS ACRAMATIC A2100 DISPLAY A
INDRAMAT AC SERVO POWER SUPPLY KDV 4.1-30-3