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。
ALLEN BRADLEY DC EFUSED OUTPUT MODULE 1756-OB16E SER A PART NO: A01
INDRAMAT SERVO DRIVE KDA2.AP0-U1
LASER BEAM
AC TECH MC SERIES SERVO DRIVE M34150B
SIEMENS SERVO MOTOR 1FK7101-5AF71-1EA2
FANUC AC SERVO MOTOR A06B-0117-B855#0049
ALLEN BRADLEY DRIVE 1336VT-B060-EAS-L1 REPAIR SERVICE
SIEMENS 3 PHASE LINE REACTOR CHOKE 6SN1111-0AA00-0BA1
INDRAMAT ECO DRIVE DKC11.FW
ALLEN BRADLEY CONDUCTOR 100-F
SIEMENS SERVO DRIVE 6SE9214-0DA40
YASKAWA SERVO PACK SGDS-08A12A
YASKAWA SERVOMOTOR SGMPH-02A1A-YR12
MITSUBISHI PROGRAMMABLE CONTROLLER FX-2DA
BL SUPER AC SERVO MOTOR P50B08100VCL69
SIEMENS SERVO MOTOR 1FT6086-1AH71-4EH1
NEUGART PLANETARY GEAR PLE-60
SIEMENS SERVO MOTOR 1FT6062-1AF71-4AH1
SIEMENS SERVO MOTOR 1FK7083-5AH71-1EG5
SIEMENS SERVO MOTOR 1FT6084-1AH71-3EH1
BAYSIDE GEARBOX MT
MITSUBISHI SERVO DRIVE FR-A540-1.5K-NA
SIEMENS SERVO MOTOR 1FK7080-5AF71-1SB3
MODICON SERVOMOTOR
ALLEN BRADLEY DRIVE 1336VT-B020-EAP-FA
ALLEN BRADLEY POWER CONTACT OUTPUT MODULE 1771-OX
INDRAMAT POWER SUPPLY TVM 1.W
ALLEN BRADLEY ULTRA 3000 DRIVE BOARD 2090-U3BB-DM44
CUTLER HAMMER SVX9000 SVX010A1-5A4B1
MENTOR DC DRIVE MODULE M45R-141CD
SIEMENS SERVO MOTOR 1FK7063-5AH71-1SB3
SIEMENS SERVO MOTOR 1FK7042-5AF71-1SB0
MITSUBISHI PC CONTROL BOARD ASSEMBLY MC323
INDRAMAT SERVO DRIVE RAC3.A00-W1-220
SIEMENS SERVO MOTOR 1FT6044-1AF71-3AH1
ALLEN BRADLEY DRIVE 1336VT-B050-EOS-L3 REPAIR SERVICE
FANUC AC SERVO MOTOR A06B-0505-B003