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。
MITSUBISHI SERVO MOTOR HC-SFS102K
GPD 333 MAGNETEK DRIVE DS042
ABB DRIVE ACS
ALLEN BRADELY DSD-005-SE
EMS DRIVE CIMR-G5U40P7
ALLEN BRADELY BULLETIN 1327 HIGH PERFORMANCE AC MOTOR 1327AD-ACL-08-F
PARKER DIGIPLAN SERVO DRIVE PDS15E
ALLEN BRADLEY POWERFLEX 22B-B012N104 SER A
INDRAMAT SERVOMOTOR 2AD104C-B350A1-CS06-E2N2
INDRAMAT PERMANENT MAGNET MOTOR MDD093B-N-030-N2L-110CB1
FANUC SPINDLE MOTOR AO6B-0855-B100#3000
REXROTH 3-PHASE INDUCTION MOTOR MAD100C-0150-SA-S2-BL0-05-N1
ALLEN BRADLEY INPUT MODULE 1772-LV
SIEMENS S7 PC ADAPTER USB 6ES7 972-0CB20-0XA0
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GG2
SIEMENS SIMODRIVE 6SN1123-1AA00-0LA0
ALLEN BRADLEY DRIVE 1336-C025-EOF-L1
FANUC BOARD A16BB
YASKAWA SERVOMOTOR USASEM-15-HG11 (ABS. ENCODER: UTMAH-B15ASB )
ALLEN BRADLEY AXIS MODULE 2094-AC09-M02
PARKER SERVO MOTOR MPM
FANUC TEACH PENDANT A05B-2308-C300
SIEMENS SINUMERIK INTERFACE BOARD 6FX1126-8BA00
SIEMENS SERVO MOTOR 1FK7063-5AF71-1AG5
ALLEN BRADLEY SERVO DRIVE 2098-DSD-HV150-SE
FANUC AC SERVO MOTOR A06B-0521-B031
SIEMENS SINAMICS POWER SUPPLY 6SL3130-7TE23-6AA3
NUNOME ELECTRIC TRANSFORMER NETH7500AULS16
ALLEN BRADLEY DC SERVO CONTROLLER 1388-AV60
ALLEN BRADLEY DRIVE 1336VT-B020-EAP-FA
FANUC SERVO AMPLIFIER A06B-6121-H030 REPAIR SERVICE
YASKAWA SERVO PACK SGDA-04AS
INDRAMAT DIGITAL AC SERVO CONTROLLER DDS03.2-W050-B
SANYO DENKI SERVO MOTOR 68BM122HBX22
GENERAL ELECTRIC MOTOR 5KCP 38SN13S
INDRAMAT AC SERVO CAPACITOR-TCM TCM1.1-08-W0
NEMATRON PANELVIEW GL-5PV8-CNC