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。
WIELAND 57.007.0253.0 INTERFACE TRANSDUCER
Siemens 6FC5110-0BB01-0AA2
Siemens Simodrive 6SN1111-0AA01-1BA0
BOSCH GRIPPER WITH ROTARY ACTUATOR
Siemens 6FX4002-5DA11-1AH0
GENERAL ELECTRIC DS3800HXRC1E1C WITH DS3800DXRC1D1A BOARD
Simodrive SIEMENS MILACRON 3 531 4647A
SIEMENS A01ED62
Siemens Drive 6SE3221-1FG40
HY-PRO HP419NL8-3MB FILTER NIB HP419NL83MB
MAC PED-611JD SOLENOID VALVE NIB PED611JD
Siemens 8WD4308-0DB SIGNAL TOWEL PLASTIC BASE + TUBE
ALLEN BRADLEY X-67404 COIL LOT NIB X67404
MAC 92B-GAB-000-DM-DDAP-1DM VALVE NIB 92BGAB000DMDDAP1DM
Siemens Simatic S5 6ES5 788-8MA11
Siemens Simatic S7 6ES7 193-0CA10-0XA0
NUMATICS F607G-04 AIR FILTER NEW F607G04
Siemens Servo Motor 1FT5024-0AF01-1
Siemens 3TH2031-0AP0
AUTOTECH KSS MODULE LOT
SIEMENS TI A 110 VAC INPUT
RELIANCE VCTA 052854
TEXAS INSTRUMENTS INPUT MODULE LOT
SENSALL RC307SSE08 LEVEL SWITCH RC307SSE08
SIEMENS 17X
Siemens 3RB1026-1SB0 OVERLOAD 3-12AMP 600VAC
ASCO 302271 REPAIR KIT
BODINE 48Y6BFPP MOTOR
ALLEN BRADLEY 1779-KFMR COMPUTER INTERFACE 1779KFMR
GENERAL ELECTRIC DS3800HSCA1C1E BOARD
MAC MV-A1C-A352-PM-611JC9 SOLENOID VALVE MVA1CA352PM611JC9
ALLEN BRADLEY 870-ZOD60 PROXIMITY LIMIT SWITCH NEW 870ZOD60
Siemens Drive board C8451-A6-A74-5 SMP-E431-A6
Siemens 6ES7 616-2PG01-0AB4
Siemens Servo Motor 1FK7040-5AK71-1FB0-Z NEW
Siemens Simodrive 6SC6500-0NA01
Siemens 6AP1100-0AX08-0AH0 PC32C