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。
SIEMENS SERVO MOTOR
ALLEN BRADLEY SCREEN
EATON CUTLER HAMMER DRIVE SVX020A1-4A1B1
SIEMENS SERVO MOTOR 1FK7083-5AF71-1EG2
FANUC SERVOMOTOR A06B-0854-B392
CONTROLLER CARDRA
FANUC DRIVE A02B-0118-B002
INDRAMAT SERVO MOTOR 1120-N-030-N2L-130PB0
INDRAMAT SERVO DRIVE RAC3.A00-W1-220
SIEMENS SIMATIC S5 DIGITAL INPUT MODULE 6ES5 431-7LA11
ADAPTIVE CONTROL RELAY ASSAY CARD BM
CUTLER HAMMER ON DELAY TIMER D87AE A1
PACIFIC SCIENTIFIC BRUSHLESS SERVO MOTOR R45GCNA-R2-NS-NV-00
FANUC BOARD A20B
ALLEN BRADLEY SERVOMOTOR 1326AB-B530E-21-K5
GIGGINGS & LEWIS BRUSHLESS MOTOR FSM460
SIEMENS PERMANENT MAGNET MOTOR 1FT5076-0AC01-0-Z
INDRAMAT CONTROLLER TDM2.W0
SIEMENS MODULE 6FX1111-0AP02
FANUC SPINDLE AMPLIFIER MODULE A06B-6088-H245#H500
ALLEN BRADLEY COMMUNICATION MODULE 1203-GK1 SER A
SIEMENS CONTROLLER CARD 6SC6500-0UC01
FUNUC CONTROLLER CARD A16BF
GETTYS PERMANENT MAGNET SERVO MOTOR M233-G60A-900M
CINCINNATI SIMODRIVE 6SC 6101-3A-Z
SIEMENS POWERSUPPLY 6FC5114-0AB01-0AA1
STOBER GEARBOX P521SGZ0040ME
SSD DRIVES AC INTEGRATOR 690+ SERIES 690PB/US
SIEMENS SERVO MOTOR 1FK7083-5AF71-1TG3
BERGER LAHR SERVO MOTOR VRDM LWC
ALLEN-BRADLEY PLC-5/20 PROCESSOR MODULE (NEW OPEN BOX) 1785-L20B SER.D
ALLEN BRADLEY POWER FLEX700 20B D 040 A 3 AYNAND0
GOULD CONTROLLER CARD AS-C REV A7
SIEMENS SERVO MOTOR 1FK7063-5AH71-1GB5
FANUC SPINDLE SERVO UNIT A06B-6059-H215
YASKAWA DIGITAL OPERATOR CIMR-V7AM40P2
ALLEN BRADLEY AC SERVO DRIVE