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。
KOLLMORGEN SERVOMOTOR B-606-BA-91-TR
FANUC CARD AT752/03
ALLEN BRADLEY BULLETIN 1326 AC SERVO MOTOR 1326AB-B505CA
MODICON GOULD POWER SUPPLY MM-PMC2-400 REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336-C020-EOE-L3
WHEDCO SERVO MOTOR MTR-3S33-G-R-0-E-0 (HAR0SYN-RCX 21BRCX-601-H42/10 HAROWE)
YASKAWA ELECTRIC SERVO DRIVE CACR-HR10UB
ALLEN BRADLEY DRIVE 160-BA10NPS1
YASKAWA ELECTRIC ENCODER UTMAE-B12BE5W
SIEMENS SERVO MOTOR 1FK7042-5AK71-1AB3
ALLEN BRADLEY DC MOTOR 1326DS-L4D-FL-E1
LENZE SERVO MOTOR MDFKABS090-22
FANUC A06B-6102-H226 #H520 Servo Amplifier
FANUC AC SERVO MOTOR A06B-0163-B175#R000-R
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-L3 REPAIR SERVICE
CUTLER HAMMER POWER CONVERSION EQUIPMENT SV9030AS-6M0B00
FANUC AC SPINDLE MOTOR A06B-0754-B100#0100
SIEMENS SERVO MOTOR 1FK7040-5AK71-1EH0
SIEMENS SERVOMOTOR 1FK7060-5AH71-1DA3
MITSUBISHI PLC INPUT UNIT A1SX41-S2
CONTROLLER CARD *AS IT IS* 191839
ALLEN BRADLEY CMOS MEMORY MODULE 1771-HM3A
FANUC SERVOMOTOR A06B-0505-B002#7008
ALLEN BRADLEY SERVO DRIVE 8520-HR10-A1-A2-A3-A4-BAT-EX4-S-1-2-2Q SER A
ALLEN BRADLEY 16 POINT DIGITAL INPUT MODULE 1746-IA16 SER D
LENZE POWER SUPPLY ECSCA008C4B501
POWER-ONE POWER SUPPLY HCAA-60W-A
INDRAMAT AC SERVO POWER SUPPLY KDN-1.
EMERSON UNIDRIVE SP2402
CINCINNATI MILACRON MEMORY MANAGEMENT UNIT A
DSI DYNAMATIC
PANELMATE CUTLER HAMMER 39ST PM 3000
BAULULLER AC SERVO MOTOR DSG 71-M65-UL
MITSHUBISHI SERVOMOTOR HA100NCB-S
RELIANCE ELECTRIC DRIVE AS IT IS S
REXROTH INDRAMAT PERMANENT MAGNET MOTOR MAC090C-0-GD-4-C/110-A-1/WI520LV/S001
HEIDEHAIN INTERPOLATION MODULE EXE 602D/005-F