Operating Specifications - Omron CP1E CPU UNIT SOFTWARE User Manual

14-5-4 Operating Specifications

Serial PLC Links can be used for both built-in RS-232C ports and serial option ports for N30/40/60 or
NA20 CPU Units. However, two serial ports cannot be used simultaneously for Serial PLC Links.
Item
Applicable PLCs
Baud rate
Applicable serial ports
Connection method
Words allocated in CIO Area
Maximum number of Units
Link methods (data refresh
methods)
Data Refresh Methods
The following two methods can be used to refresh data.
• Complete link method
• Polling Unit link method
CP1E CPU Unit Software User's Manual(W480)
CP1E, CP1H, CP1L, CJ1M
38,400 bps, 115,200 bps
Built-in RS-232C ports and serial option ports
Both ports cannot be used for Serial PLC Links at the same time. If both
ports are set for Serial PLC Links (either as polling node or polled node), a
PLC Setup setting error (nonfatal error) will occur and the PLC Setup Setting
Error Flag (A402.10) will turn ON.
RS-422A/485 or RS-232C connection via RS-422A/485 Option Board or
RS232C port.
Serial PLC Link Words: CIO 200 to CIO 289 (Up to 10 words can be
allocated for each CPU Unit.)
9 Units max., comprising 1 Polling Unit and 8 Polled Units.
Complete link method or Polling Unit link method
14 Serial Communications
Specifications
14
14-23