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。
NEW LISTING CONTROL CERCUIT TRANSFORMER X
ABB CONTROL BOARD DSQC 331
ALLEN BRADLEY POWERFLEX 70 20AD3P4A3AYNNNCO2
INDRAMAT SERVO DRIVE DKS 1.1-W050A-DL01-00
INDRAMAT SERVO MOTOR MAC112D-2-HD-4-C/130-B-0/WI520LV/S005
SIEMENS SERVO MOTOR 1FK7060-5AF71-1EH0
FANUC PLC MODULE A03B-0807-C051
SIEMENS SIMODRIVE 6SN1123-1AA00-0CA1
ROMARSH TRANSFORMER PT750/44
ALLEN BRADLEY SERVO MOTOR 1326AB-B720F-21-K7
ALLEN BRADLEY POWER FLEX70 20A D 8P0A0 AYNNNNN
POWER/MATION ENCODER 725H-D1
FANUC DC SERVO MOTOR A06B-****-*211
PILZ SAFETY RELAY PNOZ 11
ALLEN BRADLEY SERVO CONTROLLER 1771-HS3CR REV.14
ALLEN BRADLEY ISOLATED INPUT MODULE 1771-ID16 A
NUM SERVODRIVE 3UACL50501, UAC
WHEDCO SERVO MOTOR IMCA
FANUC DRIVE A06B-6079-H208
ALLEN BRADLEY DRIVE 1336S-BX040-AN-EN REPAIR SERVICE
ALPHA GEARBOX TP 050-MF
RELIANCE ELECTRIC CARD
INDRAMAT DIGITAL AC SERVO COMPACT CONTROLLER DKR02.1-W300N-BE37-01-FW
MITSUBISHI AC SERVO MOTOR HA-A150B
POWERTEC DRIVE C0252.R4CH000
ALLEN BRADLEY ISOLATED OUTPUT MODULE 1771-OD C
ALLEN BRADLEY DRIVE 1336-B025-EJF-L2
ACOPOS PLUG IN ENDAT ENCODER INTERFACE MODULE 8AC123.60-1
TR ELECTRONIC ENCODER CE-100-M
RELIANCE ELECTRIC VOLT TESTER CARD
ALLEN BRADLEY AC SERVO MOTOR 1326AB-C2ED
FUNUC TRANSFORMER 7155
SIEMENS PERMANENT MAGNET MOTOR 1FT5076-OSK71-1-Z
ALLEN BRADLEY PANELVIEW 2711-K10C1
ALLEN BRADLEY DRIVE 1336-B020-EAE-S1
FANUC SERVO AMPLIFIER MODULE ,A06B-6079-H203
SUMTAK CORP. ENCODER LE