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。
BALDOR AC SERVO DRIVE SD26M1A05-TR
FANUC TERMINAL UNIT A02B-0047-C781
SIEMENS DRIVE 6SE7016-0TP60-Z
SIEMENS SERVO MOTOR 1FK7103-5AF71-1TH0
MITSUBISHI INVERTER E500 FR-E520-0.4K.NA
SIEMENS SERVO MOTOR 1FK7060-5AF71-1SH0
VICKERS MOTION DRIVE SMC-20-S-1-115
SIEMENS SIMATIC S5 6ES5 454-7LA11
COMPUMOTOR AC POWER S8-DRIVE - AMP - V2
ABS ENCODER R05C432564
SIEMENS SIMODRIVE 6SN1124-1AB00-0BA1
REXROTH 3-PHASE INDUCTION MOTOR MAD100C-0150-SA-S2-BL0-05-N1
ALLEN BRADLEY DRIVE 1336-B015-EJE-RP1
SIEMENS SERVO MOTOR 1FK7042-5AF71-1AG5
NUNOME ELECTRIC TRANSFORMER NETH4500AULS16
ABS SUPER SERVO AMPLIFIER 68AA050TXR21
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-S1 REPAIR SERVICE
ALLEN BRADLEY 1775 L3 MAIN PROCESSOR W/EXTD INSTRUCTION
ALLEN BRADLEY SERVO DRIVE 2098-DSD-HV050-SE
SIEMENS OUTPUT ANALOG MODULE B
SIEMENS SERVO MOTOR 1FK7063-5AH71-1SH5
MITSUBISHI AC SERVO MOTOR GC-KFS43K
SIEMENS SERVOMOTOR POWER CABLE 6FX2002-5CA11-1BA0
NUM SERVO DRIVE POWER SUPPLY 3PWS075L
ALLEN BRADLEY INPUT/OUTPUT MODULE 1746-A13
ALLEN BRADLEY DRIVE 1336-B030-EAF-L2
TEACH PENDANT`A
EMERSON 32-CHANNEL TERMINAL BLOCK KJ4001X1-CJ1
FANUC SERVO AMPLIFIER MODULE A06B-6096-H103
EUROTHERM DRIVE 690PUKB0/0/0
HEINEMANN CIRCUIT BREAKER GH3-G3-U-W
EUROTHERM DRIVE 590A
INDRAMAT POWER SUPPLY DDS02.1-A150-D
INDRAMAT PERMANENT MAGNET MOTOR MDD112D-N-030-N2M-130PB2
SIEMENS SERVOMOTOR 1FK7042-5AK71-1DA3
TTP HEAT EXCHANGER AF
MTS SYSTEM SERVO MOTOR MPM1142RM-1257