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。
ABB BOARD DSQC 336
ALLEN BRADLEY DRIVE 1391-DES45-DI
INDRAMAT MEMORY CARD DSM02.3-FW
SUPER STACK 3C250A-TX/I
ALLEN BRADLEY DRIVE 1336-C025-EOF-L3
TRANSFORMER
ALLEN BRADLEY DRIVE 1336-C020-EOE-L2
ALLEN BRADLEY DRIVE 1336-C040-EJG-RP3 REPAIR SERVICE
FANUC A05B-2301-C371 Teach Pendant Repair Price Only!!!
SIEMENS SERVO MOTOR 1FK7103-5AF71-1SH3
CINCINNATI MILACRON LOGIC BOARD G
HORRIGON SERVO MOTOR HMC12.
PANELVIEW PLUS LOGIC MOD WITH FLASH AND RAM 128 MB 2711P-RP2A SERIES C
ALLEN BRADLEY MODULE 1771-NIS SER.B
NUM SERVOMOTOR BMSF LT
ALLEN BRADLEY DRIVE 1336-C020-EAE-L1
FANUC TEACH PENDANT A05B-2301-C302
INDRAMAT PANELVIEW CLT01.1C-PA-NA-SLB-FW BOARD BGR PCU02.2D-08N-25N-AN-NN/CLT01
SIEMENS SERVO MOTOR 1FK7080-5AF71-1GB3
FUJITSU FANUC LTD PULSE GENERATOR AT021
MITSUBISHI INVERTER FR-E540-2.2K-NA
SIEMENS SERVO MOTOR 1FT6064-1AF71-1AH1
SIEMENS SERVOMOTOR 1FT5042-1AF71-4EA0
SIEMENS SERVO MOTOR 1FK7022-5AK71-1TH0
ALLEN BRADLEY KINETIX 6000 2094-BM03-S
SIEMENS SERVO MOTOR 1FT6086-1AF71-3AG1
NEMATRON PLC WORK STATION IWS-120
SQUARE D STARTER 8536-AO-2
ALLEN BRADLEY VERSAVIEW 1700M(AS IS) 6186-M17ALTR
MAPLE SYSTEM OPERATOR INTERFACE **AS IS** HNI520T-007E
INTERNATIONAL INSTRUMENTS SCXI-1100
FANUC SERVO MOTOR A06B-0128-B675#7076
ALLEN BRADLEY DRIVE 1336-B040-EOG-FA2
ALLEN BRADLEY DRIVE 1336-B015-EJE-RP3
ALLEN BRADLEY POWERFLEX 70 DRIVE 20AE0P9A0AYNNNNN SER. A
FANUC SERVO MOTOR A06B-0501-B755
FANUC AC SERVO MOTOR A06B-0215-B605#S000