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 CATALOG SERIES 1756-OA16 SER A PART NO: A01
ALLEN BRADLEY BRIDGE/SCANNER 1756-DHRIO/C
ALLEN BRADLEY DRIVE 1370AR-AOA71-E REPAIR SERVICE
SANYO DENKI PV WITH DEVICE NET PV2A030SGDNPA
SIEMENS SERVO MOTOR 1FK7060-5AF71-1SG3
SIEMENS SERVO MOTOR 1FK7101-5AF71-1TH3
SIEMENS SERVO MOTOR 1HU3054-0AC01-Z
SBC SERVO MOTOR MBA
FANUC SERVO DRIVE A06B-6050-H104
FANUC CONTROLLER CARD A16BA
SIEMENS SERVOMOTOR 1FT6084-8AC71-1FA0
ALLEN BRADLEY SERVO MOTOR 1326AB-B720E-21-X7
FANUC SERVO MOTOR A06B-0123-B577#7008
ALLEN BRADLEY SERVO MOTOR 1326AB-C2E-11-A7
ALPHA GEARBOX FOR SIEMENS SP-140-MF
MICROSAFE MCF 4200 MCF4224XE-1
YASKAWA SERVO PACK CPCR-01-SD1A
SQUARE D 200 AMP CIRCUIT BREAKER KAP36200MT
ALLEN BRADLEY DRIVE 1370AR-BOB73-E REPAIR SERVICE
FANUC PULSECODER AT041
SIEMENS 45KVA AC MAIN SPINDLE DRIVE 6SC6506-4AA02-Z
OMRON A/D UNIT C200H-AD002
ALLEN BRADLEY DRIVE 1336F-BRF100-AX-EN-L6 SER.A
SIEMENS SERVO MOTOR 1FK7060-5AH71-1SG0
FANUC CONTROLLER CARD A16BA
SIEMENS SERVO MOTOR 1FT6062-1AH71-1AH1
INDRAMAT AC SERVO COMPACT CONTROLLER DKS1.1-W100A-DA01-00
FANUC POWER SUPPLY UNIT A06B-0234-C214
GENERAL ELECTRIC AC INDUCTION MOTOR
SANYO DENKI SERVO MOTOR P50B08050DXS07
INDRAMAT ECO DRIVE DKC06.FW
ALLEN BRADLEY DRIVE 1336S-BX040-AA-EN REPAIR SERVICE
YASKAWA ELECTRIC SERVO UNIT CACR-UP130AABY21
ALLEN BRADLEY DRIVE 1336-C020-EAE-L3
FANUC DRIVE A06B-6089-H204
EXLAR SERVO MOTOR SRSFM-EM2-268
KOLLMORGEN SERVO DRIVE SR10000-Y006