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。
ALLEN BRADLEY SERVO MOTOR 1326AB-B2E-11-A5
INDRAMAT DRIVE DDS02.1-W200-D
ALLEN BRADLEY POWER SUPPLY CHASSIS 1771-PSC
PHILLIPS CONTROLLER CARD RM DRIVE MOD
LENZE/ AC TECHNOLOGY DRIVE Q32075B REPAIR SERVICE
LENZE INVERTER E82EV222_2C
SAFTRONICS DRIVE CIMR-G3U45P5+
SIEMENS POWER SUPPLY 6SN1145-1BA00-0BA0 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7080-5AF71-1EH0
ALLEN BRADLEY DRIVE 1336-B015-EAF-L1
SIEMENS SERVO MOTOR 1 PH6137-4NF49-Z
FANUC A04B-0234-C409
ABB SERVO DRIVE DR0004
GOULD DIGITAL SERVO AMPLIFER
SIEMENS BRUSHLESS SERVO MOTOR 1FT6105-8AB71-1AA0
PACIFIC SCIENTIFIC MOTOR SRBC-CV
FANUC BOARD A16BA
GLOBAL POWER SUPPLY GHOF 3-24
ALLEN BRADLEY DRIVE 1336-B040-EOG-FA2
FANUC SERVO DRIVE A06B-6057-H005
BOSCH DRIVE ASM 50-TA
ALLEN BRADLEY DRIVE 1336-B040-EJG-FA2
SIEMENS SERVO MOTOR 1FT5036-1AK71-3AA0
ACOPIAN AC TO DC MODULE 5EB50
SIEMENS SIMOREG DC DRIVE 6RA7082-6FV62-0-Z
INDRAMAT SERVO DRIVE RAC3.A01-W1-220
ALLEN BRADLEY AC SERVO MOTOR F-4030-Q-H00AA
ENFA PRESSURE GAGE 228-2
SIEMENS SINAMICS 50 FEET POWER CABLE 6FX5002-5SC01-1BF0
BALDOR ADJUSTABLE SPEED DRIVE ID15405-E
SIEMENS INCREMENTAL ENCODER ROD 426B.016
ABB ROBOTICS SERVO MOTOR,PSP-PMB-4102
IKURA HIGH TEMPERATURE FAN UHS4556M
ABB SERVOMOTOR PS P-LSS-3822, ART NO: 3HAB 3309-1
MODICON H827 MODULE HOUSING AS-H
POWER TECH DRIVE C0031.N4CH000NNNN
ALLEN BRADLEY DRIVE 1336-B025-EOF-L3