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 Simodrive 6SC6502-0BA01
Siemens Simodrive 6SN1118-0DM13-0AA1
STATIC CONTROLS 920-MP-5 DIGITAL DISPLAY 920M21224P5
Siemens Simatic S7 6ES7 331-7KF02-0AB0
Siemens Drive board 6DM1001-1LA00-Z
SIGNET MK584.4 FLOWMETER MK5844
Siemens Simovert A5E / GWE MM430
SUNON PMD2409PMB3 FAN
Siemens BSM50GD120DN2 ECONOPIM
SIEMENS TI510 / programmable controller
TELEMOTIVE 9050 HOIST TRANSMITTER CONTROL
BUSSMANN CH60J3 FUSE HOLDER WITH JDL35FUSES
SIEMENS 505-CP1434TF 2X A
BANNER B3-1500 LOGIC MODULE NIB B31500
Siemens 3RV1901-2A
Siemens Drive board C79458-L1012-A1
Siemens Simatic S5 6ES5 458-4UC11
Siemens Simatic S7 6ES7 132-4BD02-0AA0
YORK WASHER NIB
MOORE PRODUCTION TOOL BD6332AD KNIFE LOT NEW
YORK BOARD
Siemens Simovert Masterdrives 6SE7090-0XX84-3EA0
Siemens 462018.7570.10
ALLEN BRADLEY 2755-HFC-SR3-01 2755HFCSR301
ALLEN BRADLEY 700S-CF620DJC GUARD MASTER RELAY 700SCF620DJC
Siemens REXROTH
Siemens Simatic S7 6ESF7 441-1AA04-0AE0
LINCOLN ELECTRIC M TRIGGER BOARD NIB M138611
HONEYWELL LOOP PROCESSOR MODULE NIB
GEORG FISCHER 735.200.135 T 90 LOT NEW SYGEF
Siemens Drive board C79458-L1012-A1
Siemens Simatic S7 6ES7 972-0BB52-0XA0
SQUARE D POWER INTERFACE BOARD
Siemens Simodrive 6SC6500-0NA01
Siemens Simatic S5 6ES5 430-4UA13
Siemens Simatic 6ES5 605-0RU11
Siemens Simodrive 6SN1118-0DM31-0AA0