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。
NEW LISTING SIEMENS SIMATIC S7 6ES7322-1BF01-0AA0
ALLEN-BRADLEY OUTPUT MODULE 1771-OBD SER.B
PARKER BRUSHLESS MOTOR Z/ZX 606P
MOVINOR MOTOR M7010S-000
CONTROL TECHNIQUES COMMANDER CD DRIVE CD 400K
FANUC CONTROLLER CARD A20BA
ALLEN BRADLEY DRIVE 1336-B025-EJF-L3
SERVO MOTOR , B32
KEB COMBIVERT F4 DRIVE 07.F4.S1D.2
SIEMENS SERVO MOTOR 1FK7060-5AH71-1TG0
SIEMENS MICROMASTER 420 6SE6420-2UD13-7AA1
ALLEN BRADLEY DC SERVO CONTROLLER 1388B-AV 40
SIEMENS VARIABLE SPEED AC MOTOR DRIVES AQ12015B
INDRAMAT SERVOMOTOR MAC112D-0-ED-3-C/130-A-1/S05
Brand New
INDRAMAT CONTROLLER CARD B19-03
FANUC AC SPINDLE MOTOR A06B-0855-B200#3000
SIEMENS SERVOMOTOR 1FK7042-5AF71-1EG2-Z
TOSHIBA DRIVE VT130G14400 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EA0
SIEMENS SERVO MOTOR 1FK7022-5AK71-1TB5
FANUC BOARD A16B
ALLEN BRADLEY 825-MCM180
MTS SERVO MOTOR,MPM1902FRMM-BM
ALLEN BRADLEY SERVO MOTOR MPL-A330P-MJ2AA
MITSUBISHI INVERTER FR-A240E-3.7K
SIEMENS CAPACITOR B4355-T5208-T2
FANUC SERVO MOTOR A06B-0314-B031#7075
MODICON POWER SUPPLY MA-P
SIEMENS MIDI MASTER 6SE3121-1FG40
YASKAWA ELECTRIC PUSHBUTTON PANEL MRC JZNC-MPB02E
ABB SERVO DRIVE ACH
VELLINGE CHARGER DSQC 313
FANUC SERVO MOTOR A06B-0501-B755
ABB DRIVE 3HABB , DSQC345B
INDRAMAT 3 PHASE PERMANENT MOTOR MKE098B-047-KP1-BUNN
GETTYS PERMANENT MAGNET SERVO MOTOR M344-K70A-0601