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。
FANUC BOARD A20BB
FANUC BOARD A16BA
MITSUBISHI AC SERVO MOTOR HC-KFS13D
ALPHA GEARBOX FOR SIEMENS SP-140-MF
YASKAWA ELECTRIC SERVOMOTOR SGMG-13AWA-YR12
BOSCH CONTROLER CARD SM 3,5/8-GC16
CONTROL TECHNIQUES SERVO MOTOR NTE-207-CONS-0000
SIEMENS SERVO MOTOR 1FK7063-5AH71-1AB0
KEB COMBIVERT DRIVE 07.F4.S1D-3420
SIEMENS SINUMERIK 820 M PANELVIEW 6FC3561-1AC-Z
ALLEN BRADLEY POWER FLEX 20A D 027 A 0 AYNANNN
ALLEN BRADLEY AC DRIVE 1336S-C007-AA-EN4
SIEMENS SERVO MOTOR 1FK7101-5AF71-1EA2
INDRAMAT AC SERVO CONTROLLER DDS 2.1-W100-D
DIRECT LOGIC 205 MODULE D2-16NA
SQUARE D CIRCUIT BREAKER KAX
SIEMENS SERVO MOTOR 1FT6034-1AK71-1AG1
EMERSON BRUSHLESS SERVO MOTOR BLM
SLAUGHTER DIELECTRIC BREAKDOWN & LEAKAGE TESTER 103-2.8
SIEMENS SERVO MOTOR 1FK7060-5AH71-1GH5
EATON CORPORATION DRIVE SV9030AJ-2M0B00 REPAIR SERVICE
FANUC POWER SUPPLY A06B-6077-H111
ATTEN CPU SHARING DEVICE CS-221
FINLANDIA INTERFACE POWERSUPPLY SR 927530
SANYO DENKI SERVO DRIVE PZ0A150HP68SH0
SEIMENS MAIN AC SPINDLE DRIVE 6SC 6506-4AA01
YASKAWA ELECTRIC SERVO PACK CONTROLLER JUSP-ACP25JAA
SIEMENS SERVO MOTOR 1FK7083-5AF71-1GB5
MTS SERVOMOTOR MPM1903A***G1N
SIEMENS SIMOREG MICROPROCESSOR D.C DRIVE 6RA2428-2FS22
SIEMENS SIMODRIVE 2 AXIS CONTROLLER CARD 6SN1118-0DH23-0AA1
HILLIARD MODULE EM
FANUC POWER SUPPLY BOARD A16B
INDRAMAT BRUSHLESS SERVO MOTOR MAC090C-0-KD-4-C/110-
SIEMENS SINUMERIK 840C 6FC5103-0AE01-0AA1
TELEMECANIQUE DRIVE ALTIVAR 66 ATV66U41N4
SIEMENS SIMATIC SIMATIC S5 POWER SUPPLY 6ES5 931-8MD11
SOLA POWER SUPPLY
SIEMENS SIMATIC S5 6ES5482-8MA13