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。
YASKAWA SERVO DRIVE CPCR-MR154GE
BALDOR AC SERVO DRIVE DBSCAAA
MITSUBISHI CIRCUIT BOARD MC471
DC BRUSHLESS SERVO MOTOR MTS30U4-42
SIEMENS SIMATIC S5 BUS MODULE 6ES5 700-8MA11
ALLEN BRADLEY DRIVE 1336VT-B060-EAS-L2 REPAIR SERVICE
AW SCREEN DM-3000
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GG2
STEGMANN ENCODER DG 60D 1000
INDRAMAT SERVOMOTOR MAC090A-0-RD-4-C/110-A-1/AM164SG
SIEMENS SERVO MOTOR 1FT5102-0AC01-2-Z
FANUC AC SERVO MOTOR A06B-0371-B069
HILSCHER CONTROLLER CARD LK KA-PB01
EMERSON MOTION CONTROLS SERVO MOTOR BLN-6310B-4
POWER UNIT MODULE(AS IS) K3S-110H
ALLEN BRADLEY DRIVE 1336F-A025-AA-EN REPAIR SERVICE
MITSUBISHI SERVO DRIVE MDS-A-V2-2020
DYNAPAR ENCODER ( NEW,OPEN BOX) HAT51
ALLEN BRADLEY DRIVE 1336-B020-EJE-L2
OKUMA PLC RACK COMPACT E
KOLLMORGAN DC SERVO MOTOR TTBT
YASKAWA AC SERVO MOTOR USAREM-03AE1
YASKAWA ELECTRIC SERVO AMPLIFIER SGDB-75VD
SIEMENS CONTROLLER CARD Q6P8-0711
ALLEN BRADLEY DRIVE 1336-B040-EJG-L2
BUD RADIO OVEN VTL PS-7
ALLEN BRADLEY POWERFLEX 40 22B-E3P0N104 SER A
BALDOR SERVOMOTOR EM4314T REPAIR SERVICE
EXLAR GS SERIES LINEAR ACTUATOR GSFM-EM1-M6-EB
SIEMENS SERVO MOTOR 1FK7060-5AH71-1TA0
OKUMA SERVO DRIVE MIV03-1-P1
SIEMENS CONTROLLER CARD 6SN1118-1NH00-0AA2
FANUC SPINDLE AMPLIFIER MODULE A06B-6088-H245#H500
SIEMENS SITOP POWER 20 6EP1436-1SH01
BERGES SERVO ACM GMM
DANFOSS MASSFLO FLOWMETER TYPE: MASS 3000 (CODE NO: 083H0061 )
HEIDENHAIN ENCODER ERN 1387.
SIEMENS SINAMICS SEN MOD SME20 INC ENC0 SIN/COS (1VP-P) 6SL3055-0AA00-5EA3
ALLEN BRADLEY 1746-N14