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 1FK7100-5AF71-1SG2
OPTIMATION INC. PULSE IN MODULE OL2252
SIMENS BOARD FOR SIMENS SIMODRIVE 6SCDA01
MTS SYSTEMS CORP. DRIVE MPA
TAMAGAWA SEIKI FA-CODER 0SE5KN
SIEMENS SERVO MOTOR 1FK7101-5AF71-1EA2
AEG SERVO MOTOR CGD20-T
INDRAMAT PERMANENT MAGNET MOTOR MDD112C-N-030-N2M-130PB2
ALLEN BRADLEY OPERATOR INTERFACE 6180-ELIEGLDTECZ
EMERSON SERVO DRIVE FX-6210
TEXAS INSTRUMENT 110 VAC INPUT
SIEMENS BOARD 6RB2025-0FA01
SIEMENS TRANSFORMER 4AT3032-8DD40-0FA0
SIEMENS SERVO MOTOR 1FK7101-5AF71-1AG2
FANUC BOARD A16B
SIEMENS SERVO MOTOR 1FK7063-5AF71-1AG3
ALLEN BRADLEY DRIVE 1336-B003-E0D SER.A
SIEMENS SERVOMOTOR 1FT6034-1AK71-3EG1
FANUC SERVO MOTOR A06B-0314-B001
TEXAS INSTRUMENT CONTROLLER 305-02B
SIEMENS POWER SUPPLY 6EP1311-1SH01
NEW LISTING SIEMENS SIMATIC S7 6ES7322-1BF01-0AA0
CINCINNATI MILACRON P2V BOARD A
CONTROL TECHNIQUES
ALLEN BRADLEY DRIVE 160-BA04NSF1
ALLEN BRADLEY 600 PANELVIEW 2711-B6C2
GE RCA AMPLIFIER BOARD DS3800HAFA-1D1E REPAIR SERVICE
ACME TRANSFORMER TA
ALLEN BRADLEY DRIVE 1336-B025-EAF-L1
SIEMENS POWER SUPPLY 6ES5 955-3LC41
FANUC POWER SUPPLY MODULE A06B-6077-H106
SIEMENS MOTOR 1FK6083-6AZ21-9ZZ9-ZS01
SIEMENS SERVO MOTOR 1FK7060-5AF71-1EH0
SIEMENS SERVO MOTOR 1FK7103-5AF71-1EA0
FANUC BOARD A16B
SECO DRIVE SE2302
ALLEN BRADLEY OUTPUT MODULE 1746-0X8