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 CONTROL UNIT 6SL3040-1LA00-0AA0
ALLEN BRADLEY 1336 IMPACT DRIVE 1336E-B125-AA-EN-HA2-L9E
KOLLMORGEN BRUSHLESS SERVO MOTOR EB-404-C-11
INDRAMAT SERVO MOTOR MHD090B-058-PP0-UN
INDRAMAT DC MOTOR 2G 1140 IR=B35=3302 V1
INDRAMAT FIBER OPTIC MODULE PLCB 02-02
FANUC AC SERVO AMPLIFIER A06B-6066-H004
SIEMENS PERMANENT MAGNET SERVOMOTOR 1FT5076-1AF71-3EG0
SIEMENS SERVO MOTOR 1FK7080-5AH71-1EB5
SIEMENS SERVO MOTOR 1FK7063-5AF71-1FA5
CINCINNATI MILACRON SERVO DRIVE BDSW32
INDRAMAT SERVO DRIVE RAC3.A01-W1-220
INDRAMAT PERMANENT MAGNET MOTOR MAC090A-0-ZD-4-C/110-A-0/W1524LV/S001
SIEMENS SERVO MOTOR 1FK7080-5AF71-1AA2
SIEMENS SERVO MOTOR 1FK7060-5AH71-1EH3
YASKAWA SERVOPACKKK CACR-HR-02BAB12Y5
CUSTOM SERVO MOTOR INC. SERVO DRIVE CP-03-15S
EC&G ENCODER CSM-0200
FANUC POWER SUPPLY A06B-6087-H145
MITSUBISHI AC SERVO MOTOR GC-KFS43K
SIEMENS BRUSHLESS SERVO MOTOR 1FT5106-0AF01-2-Z
SIEMENS SERVO MOTOR 1FK7042-5AF71-1TB0
SIEMENS SERVO MOTOR 1FK7042-5AF71-1TH2
FANUC DRIVE A06B-6079-H102
PARKAR SERVO DRIVE C3S075V4 F10 I11 T40 M00
FANUC SERVOMOTOR A06B-0127-B675
ALLEN BRADLEY DRIVE 1336-B015-EAE-L2
MODICON Servo Drive
IMPULSE G+ DRIVE CIMR-G5M51P5
YASKAWA CONVERTER CIMR-MR5N4011
SIEMENS SERVO MOTOR 1FT6086-1AF71-2AG1
FANUC PULSE GENERATOR AT021
FANUC POWER UNIT A06B-0075-B120-01
FANUC SERVODRIVE A06B-6091-H118
SIEMENS CONTROLLER 6FX1118-8AD01, 6FC3138-3EF
ALLEN BRADLEY DRIVE 1336S-B050-AA-ES REPAIR SERVICE
SIEMENS BRUSHLESS SERVO MOTOR 1FT6086-8AF71-4AB1
SIEMENS SERVO MOTOR 1PH7133-2EG00-0DA3-Z
BALDOR SERVOMOTOR EM7064T-I (50/40 HP RPM)