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。
GOULD PERMANENT MAGNET SERVO MOTOR M124-C40A-900F
WESTINGHOUSE PC1200
ALLEN BRADLEY DRIVE 1336F-BRF75-AA-EN
YASKAWA MOTOMAN BOARD JANCD-MIO04
EUROTHERM DRIVE 690PUKB0/0/0
GETTY SERVO MOTOR M237-H60B-300W
ACOPIAN UNREGULATED POWER SUPPLY U24Y1000
BALDOR DC SERVOMOTOR MT-2250-ACYCN
ALLEN BRADLEY SLC 500 PROCESSOR UNIT 1747-L524
CYCLO DRIVE GEARBOX CNVX-6095-SV-10
ALLEN BRADLEY SERVOMOTOR MPL-A320P-SJ22AA
INDRAMAT PERMANENT MAGNET MOTOR MKD041B-144-KG0-KN
ALLEN BRADLEY POWER SUPPLY 2094-BC07-M05-S
RELIANCE ELECTRIC CARD
AEG MODICON 24 VDC DIAGNOSTIC OUTPUT B882 AS-B
SIEMENS SERVO MOTOR 1FK6083-6AZ21-9ZZ9-Z S03
SANYO DENKI SERVOMOTOR MC401NS 302KNN19
BERGER LAHR SERVO DRIVE TLD011 F
FANUC SERVO AMPLIFIER A06B-6059-H218#H518
ALLEN BRADLEY HIGH PERFORMANCE AC DRIVE 1392-B075-RH-MC-A-D1-F1-F4 SER.A
STROMAG BRAKE
FANUC SERVO MOTOR A06B-0521-B001
ALLEN BRADLEY DRIVE 1336F-B025-AN-EN SER.A
FANUC AC SPINDLE MOTOR A06B-1006-B100
YASKAWA CONTROLLER JZNC-XRK01D-1
ALLEN BRADLEY I/O BLOCK 128 POINT BX SER A
ALLEN BRADLEY 5 A AXIS MODULE 2094-AMP5
BEI ENCODER H25E-F1-SS-100-ABC-S746-LED-SM16-S
ABB ROBOTICS SERVO MOTOR PS P-LSS-4074
FANUC CONTROLLER A02B-0166-B501
MTS SYSTEM SERVO MOTOR MPM1142RM-1257
FANUC SERVO AMPLIFIER MODULE,A06B-6124-H105
ABB DRIVE ACS
SIEMENS SERVO MOTOR 1FK7022-5AK71-1TB2
SIEMENS CONTROL CARD 6FX1122-4CA00
MCG SERVO MOTOR
ELAU DRIVE PMCK
RELIANCE ELECTRIC SERVOMOTOR H-4050-P-H00AA
ALLEN-BRADLEY PLC-5/20 PROCESSOR MODULE (NEW OPEN BOX) 1785-L20B SER.D