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14 Serial Communications
14-6
CP2E CPU Unit Software User’s Manual(W614)
*1
A PT cannot be included in the Serial PLC Links.
*2
Serial PLC Links and Modbus-RTU Slave cannot be used on two ports at the same time.
Note
The Built-in RS-4
8
5 port of S
-type CPU Units and the RS-4
8
5 port of CP2W-CIFD2/CIFD
3
can only communicate in
half duplex.
Additional Information
Refer to
A-
3
Wiring for Serial Communication
s
in the
CP2E CPU Unit Hardware U
s
er’
s
Manual
(Cat.No.W61
3
) for Serial communication wiring.
Connected devices
Description
Communications
protocol
Built-in
RS-232C/
Serial
Port 1
Built-in
RS-485/
Serial
Port 2
Serial
Port 1
(EX)
Host computers
PLC data can be read by
the host computer or writ-
ten to the PLC from the
computer. The host com-
puter sends a Host Link
command (C Mode) or a
FINS command to the
CPU Unit to read/write
I/O memory, change the
operating mode, or to
force-set/reset bits in the
CPU Unit.
Host Link
OK
OK
NO
Modbus-RTU Master devices
Data can be read or writ-
ten to the CP2E by Mod-
bus-RTU master of other
company
’
s PLCs.
Modbus-RTU
Slave Fuction*
2
OK
OK
OK
R
S
-232C
Comp
u
ter
Ho
s
t Link
Other comp
a
ny'
s
PLC
M
as
ter
R
S
-485
Mod
bus
-RTU
CP2E
S
l
a
ve
Summary of Contents for SYSMAC CP Series
Page 3: ......
Page 32: ...1 Overview 1 4 CP2E CPU Unit Software User s Manual W614 ...
Page 44: ...3 CPU Unit Operation 3 8 CP2E CPU Unit Software User s Manual W614 ...
Page 116: ...6 I O Allocation 6 8 CP2E CPU Unit Software User s Manual W614 ...
Page 144: ...7 PLC Setup 7 28 CP2E CPU Unit Software User s Manual W614 ...
Page 170: ...10 Interrupts 10 14 CP2E CPU Unit Software User s Manual W614 ...
Page 200: ...11 High speed Counters 11 30 CP2E CPU Unit Software User s Manual W614 ...
Page 272: ...12 Pulse Outputs 12 72 CP2E CPU Unit Software User s Manual W614 ...
Page 278: ...13 PWM Outputs 13 6 CP2E CPU Unit Software User s Manual W614 ...
Page 460: ...18 Programming Device Operations 18 28 CP2E CPU Unit Software User s Manual W614 ...
Page 576: ...Revision 2 CP2E CPU Unit Software User s Manual W614 ...
Page 577: ......