Advantech RS-485 user manual Built-in Communication Ports for Diagnostic Connection

Chapter 2

This Diagnostic Function requires the RS-485 port of ADAM-5000E to be connected to COM1 of host PC, and the RS-232 port of ADAM-5000E to COM2 of the previous host PC or other PCs. Then you should install software such as ComWatch or Hyperterminal and so on to monitor the commands that are being issued and the subse- quent responses from connected modules.

Host PC

COM2 COM1

ComWatch

Hyper terminal

Software

Notebook

ADAM-4520

RS-485

RS-232

ADAM-5000/E ADAM-5000/E

RS-485

ADAM-4000

ADAM-5000/485

ADAM

Figure 2-8 Built-in Communication Ports for Diagnostic Connection

Flexible Communication Port Function

Connection(ADAM-5000E only)

The Flexible Communication Port Function prevents ADAM-5000E from system glitches due to communication line problems.

This function enables simultaneous connections via COM1 and COM2 port of your host PC to the RS-232 and RS-485 port of ADAM-5000E specifically. While working in conjunction with specific HMI software (e.g. AFX, FIX) that offers COM Port Backup Function, ADAM-5000E can circumvent failed communication on one port by switching to another available port to continue program execution.

ADAM-5000 2-13