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。
RELIANCE SERVO MOTOR F-4075-R-H00AA
CUTLER HAMMER SV9000 SV9F50AS-6M0B00
YASKAWA ENCODER UTMAH-B15AS4KB
ALLEN BRADLEY 150-A24FB
SIEMENS SERVO MOTOR 1FT6064-1AH71-2EG1
FANUC AC SERVO MOTOR A06B-0512-B154
ABS SUPER SERVO MOTOR 45BM003HBC90
ADVANCED MOTION CONTROLS DIGIFLEX SERVO DRIVE DR100EE15A40NACB
PACIFIC SCIENTIFIC SERVO DRIVE SC
ABB INDUSTRY BRAKE MODULE ACS-BRK-C
SIEMENS SERVOMOTOR 1FT5074-0AC71-2
ABB SERVO DRIVE 3HAB6372-1
MITSUBISHI CPU UNIT Q2ASHCPU-S1
HENGSTLER ENCODER 0 525 064
ALLEN BRADLEY DRIVE 1370AR-BOA73-E REPAIR SERVICE
SIEMENS MOTOR 1FT5074-0AC01-9-Z
SIEMENS DC MOTOR,GG5114-0FF49-4TV1-Z
FANUC SPINDLE SERVOMOTOR A06B-0754-B100-R
HEIDENHAIN ENCODER ROD 426 1250
RELIANCE ELECTRIC SERVO MOTOR F-4050-Q-H00AA
DRIVECON DRIVE VE 5148HG-30
SIEMENS SERVO MOTOR 1FK7042-5AK71-1SB5
ISOLTRA TRANSFORMER,EJ
FANUC BOARD A16BA
EATON CORPORATION DRIVE AF95AG0C040VLL8 REPAIR SERVICE
SIEMENS SERVO MOTOR 1FK7060-5AH71-1EB2
INDRAMAT SERVO MOTOR MKD025B-144-KP0-KN
SIEMENS SERVO MOTOR 1FK7080-5AF71-1SG3
SIEMENS SERVOMOTOR 1FT6082-8AC71-1EA0
INDRAMAT SERVO MOTOR 2AD104D-B050A4-FS06-D2N1
SIEMENS SERVO MOTOR 1FK7022-5AK71-1TB5
FANUC PLC MODULE A03B-0807-C051
SIEMENS SERVO MOTOR 1FK7083-5AF71-1GH0
REXROTH VALVE 4WREE 6 E32-22/G24K31/A1V
SIEMENS BRUSHLESS SERVO MOTOR 1FT6102-1AC71-1EG1
MICROSAFE MCF 4200 MCF4224RE-1
YASKAWA SERVOMOTOR SGMPH-02A1A-YR12