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 DRIVE 6SN1123-1AB00-0CA1
ALLEN BRADLEY DRIVE 1336-B015-ECE-L3
BALDOR SERVOMOTOR EM7064T-C REPAIR SERVICE
RESOLVER FOR SIEMENS 1FT5 MOTOR,R-JSMBH-15-E1
YASKAWA SERVO DRIVE SGDR-SDA060A01B
CONTROL TECHNIQUES DRIVE F3N5E
SIEMENS DC SPINDLE DRIVE 3TB4817-0A
YASKAWA SERVOPACK, SGDH-20AE
ALLEN BRADLEY DRIVE 1336-C040-EAG-L3 REPAIR SERVICE
INDRAMAT AC MAINSPINDLE DRIVE KDA3.L00-W1
YASKAWA SERVOMOTOR SGMDH-06A2A-YR25
SIEMENS SIMATIC S7 PLC MODULE 6ES7 321-1FH00-0AA0
FANUC POWER SUPPLY A20B
SIEMENS SINE WAVE FILTER 6SE7021-8EB87-1FC0
SIEMENS PERMANENT MAGNET MOTOR 1 FT5046-1AF71-3AA0
FANUC BOARD A16BC
SIEMENS MICROMASTER 440 ,6SE6440-2UD23-0BA1
ALLEN BRADLEY THERMOCOUPLE ARM MODULE 1771-WI
HANCHEN HYDRAULIC 120
INDRAMAT CONTROLLER BOX BTM03.1-NA-TA-VA-TA-TA-RA-2EA
BALDOR FLEX DRIVE FDH4A27TR-RN23
ALLEN BRADLEY AC SERVO MOTOR 1326AB-B1C-11-A5
ALLEN BRADLEY DRIVE 1336S-B050-AN-EN5
SIEMENS VARIABLE SPEED AC MOTOR DRIVES Q35008B
ALLEN BRADLEY DRIVE 1336-C025-EJF-L2
ALLEN BRADLEY MODULE 1791-NDV
ALLEN BRADLEY MICRO LOGIX 1762-L40AWA
BALDOR DC MOTOR M-3363-BLYCN
SIEMENS CONTROL MODULE 6FX1122-5CC01
FANUC BOARD A16BA
PACIFIC SCIENTIFIC SERVO DRIVE SC
INDRAMAT BRUSHLESS SERVO MOTOR MAC112D-0-ED-4-C7130-A1
SIEMENS SERVO MOTOR 1FK7060-5AF71-1SA2
Fanuc A02B-0200-C115 LCD Color Monitor
GPD515 MAGNETEK DRIVE GPD515C-B003
ALLEN BRADLEY BULLETIN 1305 DYNAMIC BRAKE 1305-KBA06 SER. A
ALLEN BRADLEY GUARD MASTER 44OR-C23017