IDEC MICROSmart FC5A Series, User Manual

Page: 320 / 343

25: E
XPANSION
RS232C/RS485 C
OMMUNICATION
25 ‐ 4 FC5A M
ICRO
S
MART
U
SER
’
S
M
ANUAL
FC9Y ‐ B1273
Computer Link Communication through the Expansion RS232C/RS485 Communication Module
To perform the computer link communication using the expansion RS232C/RS485 communication module, a user pro ‐
gram has to be downloaded through port 1 or 2 in the 1:1 computer link system as shown on page 25 ‐ 2. After download ‐
ing the user program to the CPU module, the operating statuses of the CPU module can be monitored using WindLDR on
the PC connected to the expansion RS232C/RS485 communication module.
The operating procedures for computer link communication using expansion RS232C/RS485 communication module are
as follows:
1. Connect the PC to communication port 1 or 2 (RS232C) on the CPU module using the computer link cable 4C (FC2A ‐ KC4C).
2. From the WindLDR menu bar, select Configuration > Comm. Ports .
The Function Area Settings dialog box for Communication Ports appears.
3. In the Communication Mode pull ‐ down list for Port 3 through Port 7, select Maintenance Protocol .
4. The Communication Parameters dialog box appears. Change settings, if required.
5. Click the OK button to save changes.
The Communication Parameters dialog box closes and the Communication Ports page becomes active.
Baud Rate (bps)
1200, 2400, 4800, 9600, 19200, 38400,
57600, 115200
Data Bits 7 or 8
Parity Even, Odd, None
Stop Bits 1 or 2
Receive Timeout (ms)
10 to 2550 (10 ‐ ms increments)
(Receive timeout is disabled when 0 is
selected.)
Network Number 0 to 31
Mode Selection Input Any input number
Note: When a mode selection input has been designated and the mode selection input is turned on, the selected communication
parameters are enabled. When communication parameters are changed without designating a mode selection input, the changed
communication parameters take effect immediately when the user program is downloaded.