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。
GLENTEK DC SERVO MOTOR GM4050
SIEMENS CONTROLLER CARD 6SN1118-0DJ21-0AA0
MITSUBISHI CONTROLLABLE RACK BD625A960G51
FANUC CONTROLLER CARD A16BA
ALLEN BRADLEY SERVO MOTOR (NO ENCODER) 1326AB-32E-11
SIEMENS SIMATIC S7 6ES7 322-1HH00-0AA0
ALLEN BRADLEY DRIVE 1336VT-B020-EOP-L1
FANUC BOARD A20BD
SIEMENS REGULATOR CARD FOR POWER SUPPLY 6RB2000-0GA00
SIEMENS SERVO MOTOR 1FT6086-1AF71-1EH1
ALLEN BRADLEY POWER SUPPLY MODULE
CONE DRIVE GEARBOX MVU30B508-B2
FANUC AC SERVO MOTOR A06B-0314-B503#7008
GE FANUC PROGRAMMABLE CONTROLLER 1C693CPU311H
ABB TEACH PENDANT 3HAB
FANUC POWER SUPPLY A06B-6115-H001
SIEMENS SERVOMOTOR 1FT5064-0AF21-1-Z
SIEMENS SERVO MOTOR 1FT6034-1AK71-4AG1
SIEMENS SERVOMOTOR 1PH6161-4CF49-Z
INDRAMAT CARD DBS03.1
FANUC CONTROLLER CARD A16B
ACTUS AC SERVO MOTOR NA21-10F2
ALLEN BRADLEY 24 VDC IN/OUT MODULE BC
RELIANCE ELECTRIC MOTOR P48H1311R
SIEMENS MOTION CONTROL SYSTEM 6SC 6512-4AA02-Z
SIEMENS SERVOMOTOR 1FT6082-1AF71-2EH1
PARKER SERVO MOTOR N0922JE-NMSN
SQUARE D DOOR CLOSING MECHANISM INTERLOCK NEMA 9423 -M4
CINCINNATI MILACRON CARD CMDCI A
YASKAWA ELECTRIC SERVO DRIVE CACR-SR15SZ1SDY214
EMS DRIVE CIMR-G5U40P7
GPD 333 MAGNETEK DRIVE DS043
ALLEN BRADLEY DRIVE 1336-C040-EAG-FA2 REPAIR SERVICE
HEIDENHAIN ENCODER ROD 426 500 03S12-013
ALLEN BRADLEY POWERFLEX 700 SERIES-A 20B C 5P0 A 0 AYNANC0
SIEMENS SERVO MOTOR 1FT6064-1AF71-2AG1
REXROTH SERVO MOTOR MSK071D-0200-NN-M1-UG1-NNNN