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 CONTROLLER CACR-SR09-TZ-6SM
INDRAMAT CONTROLLER CARD A09-02
ALLEN BRADLEY PANELVIEW 600 2711-B6C1X
FANUC AC SERVO MOTOR A06B-0310-B351
SIEMENS SERVO MOTOR 1FT6082-1AF71-1AH1
FUJI SERVO FVRO.75E9S-2KKC
ALLEN BRADLEY MOTION CONTROLLER DRIVE R
SIEMENS SERVO MOTOR 1FK7032-5AK71-1AA3
CINCINNATI MILACRON SERVO MOTOR
ALLEN BRADLEY SERVO MOTOR MPL-B320P-8J22AA
BUSCH VACUUM MOTOR WITH HANNING ELEKTRO WERKE RC0021.S015.1004 & EBF2B3
ORMEC SERVO DRIVE SAC D370/A
CONTROLLER CARD
FANUC SERVOMOTOR A06B-0602-B232 REPAIR SERVICE
FANUC SERVO DRIVE A06B-6089-H106
KAWASAKI SERVO MOTOR P80B22450RCX2A
YASKAWA AC SERVO MOTOR USAREM-01 YRW11
ALLEN BRADLEY SERVO MOTOR 1326AB-A1G-11
ALLEN BRADLEY SERVO DRIVE 20A D 2P1A 3 AYNNNNN
ALLEN BRADLEY PUSH BUTTON 800T-FXP16 A5
INDRAMAT SERVO DRIVE HDS04.2-W200N-HS56-01-FW
FANUC CONTROLLER CARD A20BB
SIEMENS SERVO MOTOR 1FK7042-5AK71-1TA3
SIEMENS SINUMERIK EPROM BOARD
FANUC SERVO AMPLIFIER A06B-6066-H004
FANUC POWER SUPPLY MODULE A06B-6087-H130
SIEMENS MOTOR 5K10 5071 16016
ALLEN BRADLEY DRIVE 1336VT-B015-EON-L3
ALLEN BRADLEY ANALOG INPUT MODULE 1771-IFE A
ALLEN BRADLEY DRIVE 1336-B025-EOF-L2
OKUMA BL-MOTOR BL-MC100J-20SN-A
SIEMENS BRUSHLESS SERVOMOTOR 1FT6108-8AF71-1EH0
SIEMENS BOARD 6ES5314-3UA11
SIEMENS SIMATIC S5 6ES5 944-7UB21
MOTOROLA SITE CONTROLLER CARD 84E84405N03
ALLEN BRADLEY 2711P-T10C1 Panelview
VEXTA AC SERVO MOTOR KXPM6180-AB
ALLEN BRADLEY AC SERVO MOTOR,1326AB-B520E-S2L
MITUSBISHI ELECTRIC AUTOMATION INC. PANEL E900T TYPE:03010F