描述
若PLC控制的系统需要联入工厂自动化网络，则PLC需要有通信联网功能，即要求PLC应具有连接其他PLC、上位计算机及CRT等的接口。大、中型机都有通信功能，目前大部分小型机也具有通信功能。
SONY PVM-411 RACK MOUNT QUAD 4″ VIDEO MONITOR REBUILT!!
LEITCH SERIAL 601 SDI DIGITAL VIDE0 A-D 10BIT CONVERTER
LAMBDA 0-60V@ 0-18A VARIABLE REGULATED DC POWER SUPPLY
RECORDING STUDIO NO NOISE TRIPLE VARIAC LIGHTING DIMMER
SORENSEN 0-150V CIRCUIT BREAKER TESTER DC POWER SUPPLY
SORENSEN DCR 150-6B 0-150V@0-6A METERED DC POWER SUPPLY
HP 6434B 0-40V@0-25A REGULATED DC POWER SUPPLY REBUILT!
1KW BATTERY SOLAR PANEL ARRAY SIMULATOR DC POWER SUPPLY
POWER TEN 3300P-2050 0-20V@0-50A DC BENCH POWER SUPPLY
0-20V@0-50A DIGITAL REGULATED DC LAB POWER SUPPLY
50A ANODIZE ANODIZING ELECTROPLATING PLATING RECTIFIER
50A RHODIUM NICKEL SILVER GOLD ELECTROPLATING RECTIFIER
