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。
PARKER SERVO MOTOR MPC
FANUC ENCODER DIVIDER CABLE AT182
SIEMENS MOTOR SYSTEM SECONDORY PART
GENTEC PHASE CONVERTERS 35U905Q964G1
FANUC CONTROLLER CARD A20BA
ALLEN BRADLEY RELAY 815-D0V4
ALLEN BRADLEY PANELVIEW 2711-B6C20L1
ALLEN BRADLEY PANELVIEW 600 2711P-B6C20D
FANUC SERVO MOTOR A06B-0126-B077
ALLEN BRADLEY POWERFLEX 70 20AD3P4A3AYNNNCO2
FANUC 1α6/3000 SERVO MOTOR A06B-0128-B577 #7008
FANUC A06B-6090-H006 Servo Amplifier
FUJI DRIVE FRN050G11S-2UX REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7101-5AF71-1AG3
SIEMENS SERVO MOTOR 1FT6105-8AC71-4FB1
FANUC PLC MODULE A03B-0807-C158
FANUC A06B-6087-H155 POWER SUPPLY
TOSHIBA TRANSISTOR INVERTER VT130G1-4330B0H
SIEMENS SERVO MOTOR 1FT6062-1AF71-2EH1
YASKAWA ELECTRIC POWER SUPPLY UNIT JZRCR-XPU09
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SG3
ALLEN BRADLEY DC SERVO CONTROLLER 1388-AV60
SIEMENS SINUMERIK MODULE 6FC5111-0CA02-0AA2
MITSUBISHI DRIVE FR-Z260-3.7K
MITSUBISHI AC SERVO DRIVE MR-SA102
ALLEN BRADLEY AC DRIVE 22A-D1P4H204
SIEMENS SERVO MOTOR ELMO-G 2BH1 590-1AK22
SIEMENS CONTROLLER CARD 6FC5357-0BB34-0AE0
SIEMENS SINUMERIK SOFTWARE 6FC5270-6AX70-3AG7
YASKAWA CONTROL BOARD JANCD-XCP01-1
COMPUMOTOR AC POWER S8-DRIVE
ALLEN BRADLEY DRIVE 1336-B015-EAE-L2
ALLEN BRADLEY MICROLOGIX BWA
INDRAMAT SERVOMOTOR MDD112C-N-015-N2M-130PB0
FANUC CONTROLLER CARD A16BB
CUTLER HAMMER PILOT LIGHT 10250T37
ALLEN BRADLEY POWERFLEX 700 DRIVE 20B E 022 A 0 AYNAND0 SER B