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。
INDRAMAT AC MAINSPINDLE DRIVE KDA 2.AP0-U1/115
FANUC SERVO MOTOR A06B-0273-B000#0100
CYCLO DRIVE GEARBOX CNVX-6095-SV-10
KOLLMORGEN SERVO DRIVE D
INDRAMAT SERVOMOTOR MAC090C-0-GD-4-C/110-A-2/WI520LV/S018
ALLEN BRADLEY PANELVIEW 700 2711P-T7C4D8 SER A
SIEMENS ANALOG INPUT
FANUC AC SERVO MOTOR A06B-0315-B004
FANUC MOTOR CABLE AT426
TELEMECANIQUE CONDUCTOR LC1D80
SIEMENS SERVO MOTOR 1FT6105-1AC71-4EG1
GLOBAL POWER SUPPLY GHOF 3-24
BALDOR DC MOTOR MT-4090-SPECIAL
HP POWER SUPPLY DPS-800GB A
AEG MODICON 24 VDC INPUT B825 ASSYB REV A
SIEMENS SERVO MOTOR 1FK7080-5AH71-1SH0
ALLEN BRADLEY SERVO DRIVE 8520-3S5A-BAT-EX4-Y-5-7 SER B
SIEMENS SERVO MOTOR 1FK7063-5AF71-1TH5
STOBER POSIDRIVE FDS4150/B
ALLEN BRADLEY SLC 500 PROCESSOR UNIT 1747-L541 SER.C
INDRAMAT DRIVE DDS02.1-W100-D
MITSUBISHI I/O MODULE BN634A524G53
FANUC A06B-6096-H106 Servo Amplifier
ALLEN BRADLEY 1771-P4 120 AC POWER SUPPLY
SIEMENS MICROMASTER 440 ,6SE6440-2UC11-2AA1
LUTZE MODULE 743204
ALLEN BRADLEY ULTRA 3000 DRIVE 2098-DSD-HV030-SE PART NO: 196462 SER B
SIEMENS SERVO MOTOR 1FT6062-1AF71-3EG1
BALDOR 3PHASE REACTOR LRAC04502
KENDRION BRAKE H00 ( FOR INDRAMAT 2AD MOTOR)
RELIANCE ELECTRIC SERVOMOTOR H-4050-P-H00AN
SIEMENS SINUMERIK 820 M VIDEO GRAPPHICS BOARD 6FX1151-1BB01
BERGER LAHR SERVO MOTOR VRDM LNB
SIEMENS CIRCUIT BREAKER S3TB43 10-0A
SIEMENS MOTOR 5K10 5071 16016
VICKERS SERVO MOTOR
ALLEN BRADELY AC SERVO MOTOR 1326AB-B2C-11
SCHNEIDER MODULE TSX DEY16D2
FANUC POWER SUPPLY A20B