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。
CONTROLLER CARD
ALLEN BRADLEY DRIVE 1370AR-AOB75-E REPAIR SERVICE
ALLEN BRADLEY DRIVE 1336-B015-EAE-S1
RELIANCE ELECTRIC SERVOMOTOR 1326AB-B410G-21 SERIES C
ALLEN BRADLEY DRIVE 1336-B050-EAG-FA2-L3
POWERTEC BRUSHLESS DC MOTOR F182C1A1N001000
TELEMECANIQUE SPEED DRIVE ATV18U41N4
WESTINGHOUSE CIRCUIT BREAKER FB3015
NEW LISTING FANUC CIRCUIT BOARD A16BA
FANUC CONTROLLER CARD A02B
SIEMENS VARIABLE SPEED AC MOTOR DRIVES Q35008B
ALLEN BRADLEY DRIVE 1336-C040-EOG-L2 REPAIR SERVICE
SIEMENS SINAMICS CONTROL UNIT 6SL3244-0BA20-1PA0
SIEMENS INCREMENTAL ENCODER ROD 426B.016
YASKAWA AC SERVO MOTOR SGMGH-30A2A-YR35
SIEMENS OUTPUT MODULE 6ES5445-3AA12
SIEMENS SERVO MOTOR 1FK7040-5AK71-1EH0
EXLAR SERVO MOTOR SRSFM-EM2-238-XT-19239
FANUC SERVO DRIVE A06B-6057-H005
AEG MODICON BRUSHLESS SERVO MOTOR CGD21-TB
ADVANCED MOTION CONTROLS SERVO AMPLIFIER B30A40ACF
TAMAGAWA SEIKI CO. ENCODER TT-A-II
ABB ROBITICS SERVO MOTOR PSP-LSS-4303, 3HAC ART NO: B
BALDOR INDUSTRIAL MOTOR GP7409
ALLEN BRADLEY DRIVE 1336-B020-EAE-L3
INDRAMAT DRIVE HDS03.2-W100N-HS12-0
ALLEN BRADLEY INPUT MODULE 1771-IBD/B
FANUC BOARD A16BA
EATON AC DRIVE MVX001A0-5
SIEMENS SERVO MOTOR 1FK7101-5AF71-1GH3
FANUC DC SERVO MOTOR A06B-0642-B005
ELAU CONTROLLER BE-7/10
MITSUBISHI AC SERVO MOTOR SA352B
MAGNETIC DC MOTOR BR 60 M 30/17
FANUC DRIVE A06B-6089-H202
DC LINK CONTROLLER FOR KRC 32 NM100ABN
INDRAMAT 3 PHASE INDUCTION MOTOR 2AD134D-B050A1-CS07-D2N1