大多数PLC都有拖动步进电机或伺服电机的单轴或多轴位置控制模块。这一功能广泛用于各种机械设备，如对各种机床、装配机械、机器人等进行运动控制大、中型PLC都具有多路模拟量I/O模块和PID控制功能，有的小型PLC也具有模拟量输入输出。所以PLC可实现模拟量控制，而且具有PID控制功能的PLC可构成闭环控制，用于过程控制。这一功能已广泛用于锅炉、反应堆、水处理、酿酒以及闭环位置控制和速度控制等方面。
SIEMENS SERVO MOTOR 1FK7063-5AF71-1EB5
EMERSON SERVO MOTOR DXM-4120W
TELEMECANIQUE ALTIVAR 16 DRIVEATV16U18NH
BALDOR SERVO DRIVE BSC1110
ELECTRO CRAFT SERVO DRIVE (BRU-SERIES) DDM-030 PART NO:
EMERSON SERVO DRIVE M
SIEMENS SINUMERIK MEMORY BOARD 6FX1126-7BA01
BOSCH SERVOMOTOR SE-LB3.095.030-00.00
INDRAMAT CLM FWA-CLM1.3-LA1-04VRS-MS
SIEMENS SERVO DRIVE 6SN1123-1AB00-0CA1
OMNI VISION CRT E144C-AK-REV.B
SIEMENS SERVO MOTOR 1FK7083-5AF71-1UA5
SIEMENS SERVO MOTOR 1FT6105-8SF71-4EG0
BOSCH CONTROLER CARD SM 3,5/8-GC16
SIEMENS SERVOMOTOR 1FK7063-5AF71-1AG0
MITSUBISHI PLC INPUT UNIT A1SX42-S2
POWERTEC BRUSHLESS DC DRIVE C7.51.R4CH114NNNN
FUJI SERVO FVRO.75E9S-2KKC
SIEMENS MICROMASTER 6SE3116-8CB40
ALLEN BRADLEY DRIVE 1336-B020-ECE-FC3
ALLEN BRADLEY DC SERVO CONTROLLER 1388-AV20
MITSUBISHI BOARD BN624A896G52
YASKAWA SERVO MOTOR USAFKD-50-FJ-11
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SG3
BALDOR SERVOMOTOR EM7080T REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7080-5AF71-1GA0
FANUC ENCODER (BRAND NEW, OPEN BOX) AT302
TR ELECTRONIC ENCODER CE-100-M
TDK LAMBDA 24 V POWER SUPPLY DPP
FANUC AC SERVO MOTOR A06B-0377-B175
ALLEN BRADLEY DRIVE 1336-B040-EJG-L1
FANUC CFU UNIT A04B-0234-C210
SQUARE D WELD CONTROL MODULE
AEG PERMANENT MAGNET SERVO MOTOR S74D-TB0-F010
MURR ELECTRONIK POWER SUPPLY MPS
ALLEN BRADLEY SLC500 INPUT MODULE 1746-IB32 SER D
CONTROLLER CARD 147014 6860
BALDOR BSM80A-275AA SERVO MOTOR
SIEMENS SERVO MOTOR 1FK7083-5AF71-1TG5