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。
ELECTRO CRAFT SERVO DRIVE (BRU-SERIES) DDM-030 PART NO:
SIEMENS SERVO MOTOR 1FK7042-5AK71-1SH3
SIEMENS SIMOREG MICROPROCESSOR D.C. DRIVE 6RA2472-2FV62
ALLEN BRADLEY DRIVE 1370AR-AOB75-E REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336R-PRE-VB048-AA
SIEMENS SERVO MOTOR 1FK7080-5AH71-1TA3
ALLEN BRADLEY REMOTE I/O REMOTE 1771-AR
HEIDENHAIN ENCODER ROD 426 1250
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GH5
ALLEN BRADLEY SERVO MOTOR MPL-B430P-MJ24AA
REXROTH IKG0041 CABLE 35M
INDRAMAT DOUBLE AXIS DRIVE HMD01.1N-W0012
CUTLER HAMMER PANELMATE POWER PRO 3985AT PMPP 3000
INDRAMAT CONTROLLER CARD B28-00
RELIANCE ELECTRIC DRIVE DM-50 PART NO:
FANUC BOARD A16B
SANYODENKI SERVO AMPLIFIER 60BB075FXW14
THOMPSON MICRON GEAR BOX ETRM142-89
INDRAMAT CONTROLLER CARD B01-02
SIEMENS CONTROL UNIT 6SL3040-1LA00-0AA0
ALLEN BRADLEY ULTRA3000 DRIVE 2098-DSD-HV050X-DN PART NO:196469 SER B
LENZE/ AC TECHNOLOGY DRIVE DL14750FAB REPAIR SERVICE
MEZ AC MOTOR (4AP71-4)
SIEMENS 3-BRUSHLESS SERVO MOTOR 1FT5064-1AF71-4EA0
ALLEN BRADLEY SLC 500 PROCESSOR UNIT 1747-L532 SER.D
PACIFIC SCIENTIFIC STEPPER MOTOR E31NCHT-LEN-PD-00
SIEMENS SERVO MOTOR 1FT6062-1AF71-1EG1
SIEMENS CONTROLLER CARD 6SN1118-1NH01-0AA0/0AA1
SIEMENS CIRCUIT BOARD 1P6SN1118-1NH01-0AA0
SIEMENS 8 SLOT RACK
HEIDENHAIN ENCODER RQN 425 MDD, ID.NR. 312 210 01
ALLEN BRADLEY DRIVE 1336E-B100-AN-EN REPAIR SERVICE
MITSUBISHI PLC RACK BD625A988G52
HEIDENHAIN ENCODER ROD 426 900 01
ALLEN BRADLEY PANELVIEW 2711-T9A5
SIEMENS SINUMERIK MEMORY BOARD 6FX1126-7BA01
AEG BRUSHLESS SERVO MOTOR CGD24-R