1、三菱 FX 三菱-FX-232ADP 用户指南
Pins 4, 5 are not used.Short-circuited inside.
ER(DTR)Send request (Data Terminal Ready)
CD(DCD)Carrier Detection
SG(Signal Ground)
DR (DSR) Send enable (Data Set Ready)
CS (CTS) Send enabl
2、三菱 DeviceNet 三菱-DeviceNet Master-Slave 模块 用户手册
[DESIGN PRECAUTIONS]
!
WARNING
• If a communications error occurs on a DeviceNet network, faulty nodes will behave as follows:
(1) The master node (QJ71DN91) holds input data whi