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。
OMRON SERVO MOTOR (NO ENCODER ) R88M-U75030VA-S1
FANUC BOARD A16BA
FANUC PC BOARD A16BB
EMERSON SERVO MOTOR DXM-4120W
CUSTOM SERVO MOTOR MPM
ALLEN BRADLEY DRIVE 1336-B040-EJG-RP3
SIEMENS PLC MOODULE 6ES7 321-1BH01-0AA0
CONTROLLER CARD,52823
MITSUBISHI NUMERICAL CONTROL SYSTEM FCA320M
SIEMENS SERVO MOTOR 1FK7060-5AH71-1SB3
FANUC INPUT MODULE A03B-0801-C136
HOFFMAN FAN A-4AXFN
LTN ENCODER G58SSCDB
FANUC AC SPINDLE SERVO MOTOR A06B-1008-B902
SIEMENS SERVO MOTOR 1FK7103-5AF71-1SH0
SIEMENS CONTROLLER CARD,6FC5110-0BB04-0AA1
SIEMENS POWER MODULE 6SL3224-0BE21-5UA0
INDRAMAT SERVOMOTOR MAC090A-0-RD-4-C/110-A-1/AM164SG
ALLEN BRADLEY ULTRA3000 SERIES DRIVE 2098-DSD-010 PART NO: SER B
FANUC DRIVE A02B-0259-B501
GOULD CONTROLLER CARD AS-CREVA17
FANUC AMPLIFIER A06B-6066-H013
ALLEN BRADELY DSD-005-SE
INDRAMAT SERVOMOTOR 2AD160B-B350B2-BS11-B2N1
SIEMENS SERVO MOTOR 1FK7042-5AK71-1AA5
CUTLER HAMMER PANELVIEW 39PTH PM 3000
SIEMENS SERVO MOTOR 1FK7083-5AF71-1SG3
MITSUBISHI SERVO MOTOR HA-LH11.K2
SIEMENS SIMODRIVE 160A 6SN1124-1AA00-0EA2
SIEMENS SERVO MOTOR 1FK7060-5AF71-1AB2
SIEMENS SERVO MOTOR 1FK7042-5AF71-1GH2
MAGNETEK SERVO DRIVE A
SIEMENS SERVO MOTOR 1FT6086-1AF71-2EH1
MAGNETIC DC MOTOR BL 60 S 30/12
ALLEN BRADLEY DRIVE 1370AR-AOA72-E REPAIR SERVICE
BALDOR A.S.R SERVO MOTOR BSM6RA9-A10-701
KUKA CONTROL CARD FE OR