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。
KB ELECTRONICS KBMG-212D(8831D)
SIEMENS SINUMERIK CONNECTOR 6ES5760-1AA11
ELECTROMOTIVE SYSTEM INC 460AFD3-G+
GOULD REMOTE I/O PROCESSOR CONTROLLER CARD PCB S REV A
SIEMENS SERVO MOTOR 1FK7063-5AF71-1GA3
YASKAWA ELECTRIC SERVOMOTOR SGMD-32AWA-YR12
ALLEN BRADLEY MICROLOGIX 1762-L40BWAR
VEXTA DISPLAY UNIT OPX-1
SIEMENS SERVO MOTOR 1FK7083-5AF71-1AH0
YASKAWA ELECTRIC SERVO DRIVE CACR-SR15SB1AFY100
ALLEN BRADLEY 13 SLOT CONTROL LOGIX CHASSIS 1756-A13 SER B,PART NO: A01
ALLEN BRADLEY DRIVE 1336S-BRF50-AA-FR6 SER F
FANUC BOARD A16BG
LG INPUT MODULE 24VDC K3X-210H
INDRAMAT PERMANENT MAGNET MOTOR MDD112C-N-030-N2L-130PB2
SIEMENS SERVO MOTOR 1FK7042-5AK71-1EH5
ALLEN BRADLEY DRIVE 1336VT-B040-EAR-S1
ALLEN BRADLEY INPUT MODULE 1772-LV
FIDIA M30 CONTROL BOARDS DRT1
PILZ DISPLAY 307668
SIEMENS SERVOMOTOR 1FT6084-8AC71-1FA0
GETTYS DC SERVO A121 DRIVE AC04
ALPHA GETRIEBEBAU GEAR BOX SK 140-MF
SCHNEIDER ELECTIC POWER SUPPLY AS-P
YASKAWA ELECTRIC PM SERVOMOTOR UGJMED-80MA20F
SIEMENS PC BOARD 6SC6500-0BC01
ALLEN BRADLEY 8720MC DRIVE INTERFACE MODULE 1201-HAS2
ALLEN BRADLEY SLC 150 CABLE 1745-C3
EUROTHERM SSD DRIVE PROCESSOR MODULE
REXROTH HYDRAULIC CONTROLLED VALVE 4WEH22J74/6EG24N9ET SDK24L2; Z2FS QV
AMICON TYPACT DRIVE TPY3A-1482B-75HP
SIEMENS SERVO MOTOR 1FK7083-5AH71-1SH0
SCHNEDIER 36 TERMINAL BLOCK TSXBLK7
YASKAWA SERVO MOTOR SGMGH-14A2A-YR13
SIEMENS SERVO MOTOR 1FK7063-5AH71-1AH0
ALLEN BRADLEY BULLETIN 1332 ADJUSTABLE FREQUENCY DRIVE 1332-AAA
ALLEN BRADLEY CONTROL LOGIX INPUT MODULE 1756-IA16/A PART NO: C01