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 SERVO DRIVE 2098-DSD-HV150-SE
HEIDENHAIN ENCODER ROD 320.
SIEMENS SERVO MOTOR 1FK7083-5AF71-1TH5
ABS SUPER MOTOR 69BMO14CBRY1
INDRAMAT SERVO DRIVE TDM 1.W1-000
SIEMENS SIMATIC NET CP INDUSTRIAL ETHERNET 6GK7343
SIEMENS SERVO MOTOR 1FK7080-5AF71-1TA5
ALLEN BRADLEY DRIVE 1336-B025-EOF-FA2
LENZE DRIVE PLC EPLXX
SAFTRONICS INVERTER MINI VECTOR AC DRIVE CIMR-V7AU41P6
PANASONIC DC WELDING POWER SOURCE YD-500HM2
SIEMENS SERVO MOTOR 1FT6064-1AH71-1AG1
GOULD CONTROLLER CARD
ALLEN BRADLEY DRIVE 1370AR-BOB75-E REPAIR SERVICE
CUTLER HAMMER BASE RACK (7 SLOT) D300RAK07B
SIEMENS SERVO MOTOR 1FK7060-5AF71-1AH5
SIEMENS SERVO MOTOR 1FK7063-5AF71-1EA2
THOMSON MICRON GEAR BOX DT OR DT
BALD0R DC SERVO MOTOR MTE-4090-SPECIAL
YASKAWA DCP UNIT JUSP-DCP-15B
INDRAMAT SERVO CONTROLLER KDS 1.W1
OKUMA E0 OPUS 5000 BOARD EC
INDRAMAT DIGITAL AC SERVO CONTROLLER DDS02.1-W200-D
LENZE/ AC TECHNOLOGY DRIVE Q15040B REPAIR SERVICE
FANUC ALARM UNIT A04B-0229-C249#JPN
EUROTHERM DRIVE 690PUSSTTTL/B0/0/0
MITSUBISHI INVERTER E500 FR-E520-0.4K.NA
HITACHI CONTROLLER CARD BEG
POWERTEC BRUSHLESS DC MOTOR F21MC1J
STOBER GEARBOX P522SPR0150MT
FANUC DC SERVO MOTOR,5N-2000
INDRAMAT SERVOMOTOR MAC132A-0-ED-1-B/230-RS001
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EG5
AC TECH MC SERIES SERVO DRIVE M34150B
SIEMENS NETZ FILTER 6SN1111-0AA01-2DA0
ALLEN BRADLEY POWER FLEX 700 20B E 027 A 0 AYNAND0
YASKAWA ELECTRIC ROBOT POWER SUPPLY MODULE JZNC-MTU18
MICROSAFE MC 4200 MC4248XE
SIEMENS SERVO MOTOR 1FT5104-0AC71-1-Z