监控设备：小的有数据可监视数据；大的还可能有图形监视器，可通过画面监视数据。除了不能改变PLC的用户程序，编程器能做的它都能做，是使用PLC很好的界面。性能好的PLC，这种外部设备已越来越丰富。
ALLEN BRADLEY ANALOG COMBINATION I/O MODULE 1746-NIO4V SER A
ALLEN BRADLEY DRIVE 1370AR-AOA72-E REPAIR SERVICE
YASKAWA MINERTIA MOTOR J SERIES UGJMED-40LSF21
PANASONIC AC SERVO MOTOR MSMA152D1C
ABB DRIVE 3HABB
ALLEN BRADLEY POWERFLEX 700 SERIES B 20B D 3P4 A 0 AYNAND0
SIEMENS SERVO MOTOR 1FK7060-5AF71-1TH5
HEIDENHAIN ENCODER ROD 425 2048
SIEMENS SERVO MOTOR 1FT6062-1AH71-1AH1
YASKAWA SERVO DRIVE JUSP-NS200-FK
SCHNEIDER MODICON 140NOM21100
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EA0
SQUARE D STARTER 8536-AO-2
CRT MONITOR(AS IT IS) MD
DAIKIN SOLENOID CONTROLLED VALVE KSO-G02-2BA-30-N
SIEMENS SERVOMOTOR 1FT6084-8AF71-1AA2
FANUC AC SERVO MOTOR A06B-0502-B074#7008
ALLEN BRADLEY PANELVIEW 2711-T10C15X
OMRON POWER SUPPLY UNIT C200HW-PA204
SIEMENS NETZ FILTER 6SN1111-0AA01-2DA0
OMRON SERVO MOTOR (NO ENCODER ) R88M-U75030VA-S1
ALLEN BRADLEY 2711-K10G8 Panelview
FANUC SERVO MOTOR A06B-0313-B701#7008
ALLEN BRADLEY 7 SLOT RACK 1746-A7
YASKAWA ELECTRIC AC SERVO MOTOR USACEM-02A A2K
ELPAC POWER SYSTEMS UPS
CUTLER HAMMER PANELMATE 7685T-12
SIEMENS SERVO MOTOR 1FT7108-5AB71-1NH0
HEIDENHAIN ENCODER ROD 431.
SIEMENS SERVO MOTOR 1FK7063-5AH71-1GB5
FANUC TRANSFORMER A80L
ALLEN BRADLEY 2711E-T10C6 Panelview
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EH3
FANUC CONTROLLER CARD A20BD
OMRON OPTIONAL CARD, DEVICE NET 3G3MV-PDRT1-SINV
INDRAMAT CONNECTOR BOARD BGR BTV30 LK APS01
SIEMENS SERVOMOTOR 1FT5108-1AC71-1AA0 REPAIR SERVICE