Types Of Cpu Units And Serial Ports; Serial Communications - Omron CP1E CPU UNIT SOFTWARE User Manual

14 Serial Communications

14-1 Serial Communications
Serial communications can be used only with the CP1E N/NA-type CPU Unit.

14-1-1 Types of CPU Units and Serial Ports

N/NA-type CPU Unit
• N14/20 CPU Units have one built-in RS-232C port. There are no option slots.
• N30/40/60 or NA20 CPU Units have one built-in RS-232C port and one option slot. An RS-232C
or RS-422A/485 Option Board can be mounted for serial communications.
E-type CPU Unit
There is no serial port.
Connected devices
NS-series PT or NP-series PT
1:N NT Link
General component
No-protocol
communications
Inverter
Modbus-RTU Easy
Master communications
CP-series PLC
or CJ1M PLC
Serial PLC Links*
Host computer
(A Programming Device cannot be connected.)
Host Link
14-2
Standard built-in RS-232C port
N14/20 CPU Unit
CP1E N/NA-type
CPU Unit
One Option Board for serial communications (CP1W-
CIF01 RS-232C Option Board, CP1W-CIF11 RS-
422A/485 Option Board, or CP1W-CIF12 RS-
422A/485 Option Board) can be mounted in the
option slot.
Standard built-in RS-232C port
N30/40/60 or NA20 CPU Unit
CP1E N/NA-type
CPU Unit
Connected devices
NS-series PT or NP-series PT
1:N NT Link
General component
No-protocol
communications
Inverter
Modbus-RTU Easy
Master communications
CP-series PLC or CJ1M PLC
Serial PLC Links*
Host computer (A Programming
Device cannot be connected.)
Host Link
* Serial PLC Links cannot be used
on two ports at the same time.
CP1E CPU Unit Software User's Manual(W480)