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。
DEMAG CRANES & COMPONENTS AC MOTOR KBA 80 A 4/2
DAYTON AXIAL FAN 4C548A
RENISHAW MACHINE INTERFACE FI 5
INTERNATIONAL INSTRUMENTS SCXI-1121
ALLEN BRADLEY DRIVE 1336VT-B010-EAN-S1
CUTLER HAMMER DRIVE SVX005A1-5A4N1
ALLEN BRADLEY DRIVE 1336VT-B020-EOP-L1
LENZE AC SERVO DRIVE E82EV551 4C
BAUMULLER NURNBERG DRIVE BM4443-A ,
FUJI 3 PHASE ELECRIC OIL PUMP VKN081A
LENZE DRIVE 9220 33.9222 E.V020
OKUMA OPLUS 7000 MAIN BOARD EC
ALLEN BRADLEY DRIVE 1370AR-BOB74-E REPAIR SERVICE
SIEMENS PROCESSOR UNIT 6ESAA00-0AB0
YASKAWA SERVO MOTOR UGRMEM-04MSAC2
SIEMENS LINE REACTOR 6SN1111-0AA (4EV3011-2AD00)
EMERSON MORSE CLUTCH 1.62B RH, PB-14A
ALLEN BRADLEY COMPACT LOGIX 1769-L32E
SIEMENS CONTROLLER CARD C98043-A1006-L2
EATON TRANSFER SWITCH MODULE RLC1SEJ20200WRU
ALLEN BRADLEY DRIVE 2098-DSD-HV100X-DN, PART NO: SERIES B
SIEMENS SIMATIC S7 6SN1118-0DH22-0AA0
ALLEN BRADLEY DRIVE 1336-C040-EJG-L1 REPAIR SERVICE
SCHIMPRE FILTER DK 48 V
SIEMENS SERVOMOTOR 1FK7034-5AZ91-1ZZ9-Z S09
CINCINNATI MILACRON CARD CMDCI A
ALLEN BRADLEY DRIVE 1336-C020-EJE-L1
ISOLTRA TRANSFORMER
FIDIA M30 PC BOARD
SIEMENS SIMOREG DC DRIVE 6RA7082-6FV62-0-Z
ALLEN BRADLEY DRIVE 1336-B025-EJF-L2
RELIANCE ELECTRIC DRIVE FLEXPAK 14C102U
SIEMENS SINAMICS 6SL3120-2TE21-8AA3
BAYSIDE GEARHEAD PG60-015
BOSCH SERVO MOTOR SF-A4.0125.030-14.050
FANUC SERVOMOTOR A06B-0501-B031 REPAIR SERVICE
INDRAMAT SERVOMOTOR MAC090C-0-KD-3-C/130-B-2/S029