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。
ALLEN BRADLEY DRIVE 1336F-B025-AN-EN SER.A
MITSUBISHI INPUT MODULE AX41
FANUC SERVO AMPLIFIER A06B-6058-H224
SIEMENS SERVO MOTOR 1FK7080-5AH71-1GG5
SIEMENS MICROMASTER 4 PROFIBUS MODULE 6SE6400-1PB00-0AA0
ALLEN BRADLEY POWER SUPPLY 1606-XLDNET4
RELIANCE ELECTRIC AC-VS DRIVE 2GU51010
SCHNEIDER ELECTRIC SECONDARY SUBRACK AS-HDTA-201
FANUC CONTROLLER CARD A16BB
SIEMENS CONTROLLER CARD 6FC5357-0BB34-0AE0
SIEMENS SINUMERIK CPU BOARD
ABB SERVO DRIVE ACX550-U0-017A-6
SELCA SDD DIGITAL SERVO DRIVE POWER MODULE DPM
FANUC POWER SUPPLY MODULE A06B-6087-H126
ALLEN BRADLEY SLC 500 ANALOG COMBINATION I/O MODULE 1746-FIO4V
SIEMENS SIMATIC S5 6ES5451-4UA13
FANUC A06B-6087-H155 POWER SUPPLY
BALDOR VECTOR DRIVE ZD18H220
ALLEN BRADLEY OPERATOR INTERFACE 2706-A41J
ALLEN BRADLEY DRIVE 1336-C040-EAG-L3 REPAIR SERVICE
SIEMENS DIGITAL OUTPUT MODULE 6ES5453-4UA12 ( BRAND NEW , OPEN BOX)
YASKAWA DRIVE JZNC-XIU01B
ALLEN BRADLEY SPINDLE DRIVE 1392-B100-RK-MC
ALLEN BRADLEY POINT MODULEB8
ALLEN BRADLEY DRIVE 1336-B020-ECE-FC3
SIEMENS SERVO MOTOR 1FT6086-1AF71-4AG1
SIEMENS SERVO MOTOR 1FK7083-5AF71-1GA2
BALDOR SERVOMOTOR BSM63N-275AA
SIEMENS SINAMICS CONTROL SUPPLY MODULE 6SL3100-1DE22-0AA1
YASKAWA AC SERVO MOTOR USAREM-01YR41
INDRAMAT CLM DRIVE CLM01.3-XFW
FANUC SERVO MOTOR A06B-0273-B
ALLEN BRADLEY OUTPUT CARD 1746-0W16
WOOD BELT INVERTER EF1C40020B
ALLEN BRADLEY DRIVE 1336VT-B060-EAS-L2 REPAIR SERVICE
CONTROLLER CARD
FANUC CONTROLLER CARD A20BE
SIEMENS SERVO MOTOR 1FK7042-5AK71-1GA0
EMERSON CONTROLER CARD PCM-15