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。
BOSCH MANIFOLD BAR
HOERBIGER ORIGA X200MMBM CYLINDER NEW
SIEMENS 6GK1102-4AA00 OLM 6GK11024AA00
NUMATICS 082SS515M017N SOLENOID VALVE
MOORE PRODUCTION TOOL BD6134 STAINLESS KNIFE LOT NEW
Siemens BSM300GA170DN2S
ASCO RN10B21 PRESSURE SWITCH NIB
FORK STANDARDS MBESHC ROTARY SHAFT ENCODER LOT MBESHC
PARKER 1.50BFDSRM02.0 PNEUMATIC CYLINDER
Siemens Simatic S5 6ES5 377-0AB31
Siemens Simodrive 6SC6170-0FC51
Siemens Simatic S5 6ES5 521-8MA11
SCHRADER BELLOWS K REGULATOR K472009
Siemens Simodrive 6SN1118-0DM31-0AA0
Siemens Servo Motor 1FT6084-8AC71-1TG0
Siemens 3NA2832 125A
Siemens Simovert Masterdrives 6SE7023-4TP60-Z
TWIFLEX BRAKE CONTROLLER
Siemens 6FC5210-0DA10-0AA1
TRI-CLOVER COIL LOT
Siemens Simatic S7 6ES7 431-0HH00-0AB0
VEXTA BXD120A-A DC SPEED CONTROLLER
RELIANCE RS 43CC1 CARD
Siemens 3KX3527-3AA COVER FOR 3KL
LINCOLN ELECTRIC K337-10 TIMER MODULE NIB K33710
Siemens Simodrive 6RB2030-0FA01
Siemens Servo Motor NACHI MFMA552D5V3 s/n:N
Siemens Simovert Masterdrives 6SE7090-0XX84-0BC0
YORK SNUBBER NEW
Siemens Simatic S7 6ES7 322-5HF00-0AB0
TELCO SMR-4306-MG NEW SMR4306MG
Siemens 6AG1010-0AB00-0AA0 A5E SIPLUS Control DS330
Siemens 3RH1911-1FA31 AUX CONTACTS 2NC 1N0
YORK SUPPRESSOR NIB
Siemens 6FX4002-5CA01-1BF0
SICK PS90W-480VAC-24V-ENC-S02 POWER SUPPLY
SQUARE D 2938-S1-F19B COIL 2938S1F19B