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 ELECTRIC DRIVEPACK CONVERTER UNIT JUSP-ACP15GA
KEP DISPLAY S124X1
ALLEN BRADLEY PORTABLE WORKSTATION 1747-DEMO-1
FANUC A05B-2301-C301 Teach Pendant
ALLEN BRADLEY PLC PROCESSOR MODULE 1785-L20E
CUTLER HAMMER SVX9000 SVX020A2-5A4B1
INDRAMAT AC MAINSPINDLE DRIVE KDA 3.A00-V
YASKAWA FEEDBACK UNIT TFUE-25ZD7
YASKAWA DCP UNIT JUSP-DCP-15B
SIEMENS CONTROLLER CARD 6SC6100-0NA11
ALLEN BRADELY MINI PLC 2/15 PROCESSOR 1772-LV
SIEMENS SERVO MOTOR 1FK7063-5AF71-1GA5
SIEMENS SIMATIC S7-200 CPU MODULE 6ES7 216-2AD23-0XB0
FANUC SERVOMOTOR A06B-0147-B075#7008 REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-FA REPAIR SERVICE
ALLEN BRADLEY POWER FLEX700 20B D 040 A 3 AYNAND0
FANUC PULSE GENERATOR AT021
CUTLER HAMMER DRIVE SVX040A1-5A4N1
YASKAWA BOARD DFB0
ALLEN BRADLEY DC EFUSED OUTPUT MODULE 1756-OB16E SER A PART NO: A01
SIEMENS SERVO MOTOR 1FT6064-1AH71-1EH1
SIEMENS MOTOR 1PH7167-2NF03-0BA0
ADVANCED MOTION CONTROLS SERVO AMPLIFIER B30A40ACF
GENERIC AUTOMATION PC BOARD B
FANUC CONTROLLER CARD A20B A20BF
CONE DRIVE GEARBOX MVU30B508-B2
FANUC CARD A16B
FANUC PULSECODER AT011
SIEMENS SERVO MOTOR 1FK7103-5AF71-1TH0
INDRAMAT CONTROLLER CARD B-2
ALLEN BRADLEY DC SERVO CONTROLLER 1388-AV20
INDRAMAT AC SERVO POWER SUPPLY KDR01.W1
SIEMENS AC SERVO MOTOR 1FK6083-6AZ21-9ZZ9-Z S01
ALLEN BRADLEY DRIVE 1336E-BRF30-AN-EN SER D
KEB COMBIVERT 07F
OMRON RELAY UNIT G9S-301
SIEMENES SERVO MOTOR IFT6031-4AK71-4AH0
BAUMULLER NURNBERG DRIVE BUM61-VC-0A-1035
FANUC INPUT MODULE A03B-0801-C449