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。
TELEMECANIQUE ALTIVAR 16 DRIVE ATV16U18NH
INDRAMAT 3-PHASE INDUCTION MOTOR 2AD132B-B060B1-BS23-D2V1
SIEMENS SINUMERIK 840C/840CE 6FC5103-0AB03-0AA3
SIEMENS SINUMERIK 820 D INTERFACE MODULE 6FX1121-2BA03
DC TACHOMETER
SEW EURODRIVE SERVO DRIVE 31C
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EH3
RNA CONTROLLER ESK 2000
SIEMENS SERVO MOTOR 1FK7063-5AH71-1EB2
SIEMENS SERVO MOTOR 1FK7103-5AF71-1AA0
SIEMENS TRANSFORMER 4AM6542-8DD40-0FA0
PHILLIPS CONTROLLER CARD GRAPH MOD-C
ALLEN BRADLEY OUTPUT CARD 1746-0W16
SIEMENS SERVO MOTOR 1FT6084-1AF71-1AG1
FANUC CONTROLLER CARD A16BA
MTS SERVO DRIVE MPA
YASKAWA SERVO MOTOR USADED-40-YR15
ALLEN BRADLEY OPERATOR INTERFACE MONOCHROME 9/SERIES (AS IS) 8520-MOP
FANUC PULSECODER AT112
BAUMULLER SERVO MOTOR DSG 56-S
ALLEN BRADLEY 150-A24FB
YASKAWA SERVOPACK CACR-SR30SZ1SDY173
DEMAG CRANES & COMPONENTS AC MOTOR KBA 80 A 4/2
ALLEN BRADLEY ADJUSTABLE FREQUENCY AC DRIVE 1333-YAB SER. C
YASKAWA MOTOMAN BOARD JANCD-MIO04
MODICON CONTROLLER CARD POWER SUPPLY,MA-P
ALLEN BRADLEY PLC PROCESSOR MODULE 1785-L20E
SIEMENS MICROMASTER 6SE3216-8BA40 VECTOR
FANUC SERVOMOTOR A06B-0502-B REPAIR SERVICE
FANUC DRIVE A06B-6089-H210
ALLEN BRADLEY 600 PANELVIEW 2711-B6C2
ALLEN BRADLEY POWERFLEX 700 DRIVE 20BE027A0AYNANC0 SER. B
GENERAL ELECTRIC AC INDUCTION MOTOR
FANUC SPINDLE SERVO UNIT A06B-6064-H322 #H550RS
SIEMENS SERVO MOTOR 1FK7060-5AF71-1AH2
SIEMENS DRIVE 6SN1123-1AA00-0LA1
SIEMENS SERVO MOTOR 1FK7042-5AF71-1AB0
SIEMENS SERVO MOTOR 1FK7101-5AF71-1SG0
MITSUBISHI PARAMETER UNIT FR-PU04