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。
SCHNEIDER AUTOMATION INC. ANALOG OUTPUT MODULE AS-BDAU-202, DAU 202
DANISON HYDRAULICS A4D01 3208 03202 B1G0Q
SIEMENS-OPM2 6SE3290-0XX87-8BF0
SCHNEIDER AUTOMATION DRIVE MHDA1004N00
YASKAWA ELECTRIC CONTROL CHASSIS JZNC-RK32
ALLEN BRADLEY DC MOTOR 1326D5-L4D-FL-E1
ALLEN BRADLEY BULLETIN 1391 AC SERVO CONTROLLER 1391B-AA22
GETTYS DC SERVO A121 DRIVE AC04
FANUC AUTO BREAKER EA103A
SIEMENS SERVO MOTOR 1FT5072-0AC71-1-Z
INDRAMAT SERVO MOTOR MHD112B-024-PP0-AN
POWERTEC BRUSHLESS CONTROL C003.5N2CH000
OMRON INPUT UNIT C200H-IA122
FANUC AC SERVO MOTOR A06B-0314-B072
TRANSFORMER A80L
INDRAMAT SERVO DRIVE DKR03.1-W200N-BA04-01-FW
HEIDENHAIN ENCODER EQN 1325.
INDRAMAT DRIVE HDS03.2-W100N-HS12-0
NACHI SERVO AMP. UNIT BUY200
Fanuc A06B-6120-H018 Power Supply
INDRAMAT SERVO MOTOR MAC112C-0-ED-4-C/130-A-0/W1520/S05
SCHNEDIER FAST AXIS CONTROL MODULE TSXAXM182
ALLEN BRADLEY POWERFLEX 70,20AD011A0AYNANNN
SIEMENS MOTION CONNECT SIGNAL CABLE (DRIVE CLIQ 10M) 6FX8002-2DC20-1BA0
AEG DC SERVO A111-3-MFH
MICROSAFE MCF 4200 MCF4228X-3
SIEMENS SERVO DRIVE 6FC5247-0AA00-0AA3
FANUC A06B-6096-H301 Servo Amplifier
SIEMENS SERVO MOTOR 1FK7083-5AH71-1GH3
ALLEN BRADLEY DRIVE 1336-B015-ECE-L2
INDRAMAT OPERATOR INTERFACE BTV30.2CA-64R-11C-D-FW
SIEMENS SERVO MOTOR 1FK7060-5AF71-1GG0
EUROTHERM DRIVES 955-8R0007
DAYTON PERMANENT MAGNET DC MOTOR 2MI68D
SIEMENS SERVO MOTOR 1FK7100-5AF71-1AB5
FANUC CARD A16B
ALLEN BRADLEY ISOLATED INPUT MODULE 1771-ID16 A
PARKER SERVO DRIVE C3S038V4 F10 I11 T30 M00
SIEMENS SERVO MOTOR 1FK7063-5AH71-1SB5