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。
SIEMENS SERVO MOTOR 1FK7100-5AF71-1AB5
ALLEN BRADLEY DC MOTOR 1326DS-L4D-FL-E1
FANUC AC SERVO MOTOR A06B-0314-B155
SIEMENS SERVO MOTOR 1FK7100-5AF71-1SB3
SIEMENS SERVO MOTOR 1FK7083-5AH71-1GH2
FANUC BOARD A20B
RELIANCE 1SU51002 ELECTRIC DRIVE SP500
WINDING ANALYZER TIG 24 110 V 5A
FANUC PLC CARD A16B
YASKAWA SERVOPACK CACR-SR06TZ6SM-E
SIEMENS DC MOTOR 1HU3104-0AH01-Z
YASKAWA ELECTRIC POWER SUPPLY CPS-420F
YASKAWA ELECTRIC SERVOMOTOR USAFED-03D21
ALLEN BRADLEY DRIVE 1336VT-B010-EON-L3
YASKAWA ELECTRIC SERVO CONTROLLER JZRCR-XSU04
HEIDENHAIN ENCODER ROD 486
ALLEN BRADLEY DRIVE 1336VT-B040-EOR-L1
SIEMENS CONTROLLER CARD 6SN1118-0NH01-0AA1
FANUC BOARD A16BA
ELAU CONTROLLER BE-7/10
YASKAWA AC SERVO MOTOR WITHOUT ENCODER USAMED-03MA10E
DIRECT LOGIC 205 MODULE F2-02DA-1
SIEMENS SIMATIC S5 BUS MODULE 6ES5 700-8MA11
STOBER POSIDRIVE FDS4150/B
SCHNEIDER TSX QUANTUM RIO DROP 140CRA93100
INDRAMAT SERVOMOTOR MAC090A-0-RD-4-C/110-A-1/AM164SG
CUTLER HAMMER ACCESSORY TYPE M RELAY D26MT A2
REXROTH ENCODER 317 948-09
INDRAMAT SERVOMOTOR MAC063D-0-FS-2-C/095-B-0
OKUMA DC POWER SUPPLY DC-S1A
CONTROLLER CARD
FANUC AC SPINDLE SERVO UNIT A06B-6059-H222#H520
TEXAS INSTRUMENTS 24 VDC SERIES 500 SP ONLY INPUT MODULE
SIEMENS SERVO MOTOR 1FK7063-5AF71-1AGO
SUMTAK ENCODER IP-112S146R
BAULULLER AC SERVO MOTOR DSG 71-M65-UL
FANUC TRANSFORMER A80L