输入输出设备：它用以接收信号或输出信号，便于与PLC进行人机对话。输入的有条码读入器，输入模拟量等。输出的有打印机、编程器、监控器虽也可对PLC输入信息，从PLC输出信息，但输入输出设备实现人机对话更方便，可在现场条件下实现，并便于使用。随着技术进步，这种设备将更加丰富。
LUTZE MODULE 743302
INDRAMAT CONTROLLER CARD B03-01
SIEMENS 3 PHASE BRUSHLESS SERVOMOTOR 1FT6082-8AC71-1AB0
DANAHER MOTION CONTROL DRIVE 141003E
ALLEN BRADLEY SENSORLESS VECTOR 1336S-BRF20-AA-EN4 SER D
FIDIA DART 1 INPUT OUTPUT BOARD WITH CONNER HARD DRIVE CFA540S
RATHGEBER TRANSFORMER DE 500
ALLEN BRADLEY DRIVE 1336-B040-EAG-S1
SIEMENS SERVO MOTOR 1FK7063-5AF71-1AG0
AC TECH/LENZE SUB MICRO DRIVES SF4300
SIEMENS SERVO MOTOR 1FT6084-1AF71-2EH1
VEXTA GEAR HEAD 5GD5K
KOLLMORGEN SERVO DRIVE SR1000-2G204C
ALLEN BRADLEY PANELVIEW 2711-T10G10X
SIEMENS SINUMERIK 820T CONTROL MONITOR 6FC3261-1AC-Z
YASKAWA ELECTRIC AC SPINDLE MOTOR UAASKA-08CMU21
INDRAMAT PERMANENT MAGNET MOTOR MKD071B-061-KG1-KN
Siemens 1P-6SN1123-1AA00-0DA0 Drives
YASKAWA AC SERVO MOTOR SGMSV-15D3A61
INDUSTRIAL INDEXING SYSTEMS SERVOMOTOR MBMEB
SIEMENS SERVO MOTOR 1FK7080-5AF71-1AA2
SIEMENS SERVO MOTOR 1FT6084-1AF71-4AH1
SIEMENS SERVO MOTOR 1FT6044-1AF71-1EG1
SIEMENS SERVO MOTOR 1FK7042-5AK71-1SB0
ALLEN BRADLEY DRIVE 1336-B030-ECF-FA2
SUMER S.A GEAR BOX
SIEMENS SERVO MOTOR 1FK7080-5AF71-1SG0
OKUMA DRIVE BL-D75A
ALLEN BRADLEY DRIVE 1305-BA04A
CUSTOM SERVO MOTOR MPM664ATF7G1N
NORGREN SMART PUMP VACUUM MANAGEMENT SYSTEM VCAW
ALLEN BRADLEY 2711E-T14C6 Panelview
FANUC BOARD A16BA
YASKAWA ELECTRIC CARD JANCD-MFC06
SIEMENS SERVO MOTOR 1FK7100-5AF71-1AH2
ABB TEACH PENDANT 3HAB2136-1
YASKAWA ELECTRIC SERVODRIVE SGDR-SDA710A01B