![background image](http://html.mh-extra.com/html/omron/cp1e-e-d-series/cp1e-e-d-series_user-manual_742511305.webp)
A-41
Appendices
CP1E CPU Unit Hardware User’s Manual(W479)
A-2 Wirin
g
Dia
g
rams
App
A-2-4
S
e
rial Co
mmunications
Connecting RS-422A/485 Ports 1:1 with 4-wire Connections
•
Communications Mode: No-protocol
•
Communications mode: Modbus-RTU Easy Master
Modbus-RTU Easy Master Function
3
4
1
2
5
SDA-
SDB+
RDA-
RDB+
FG
RS-232C
FG
SD
RD
RS
CS
DR
ER
SG
1
2
3
4
5
6
7
8
GRD
SG
SDB
SDA
RDB
RDA
CSB
CSA
1
2
3
4
5
6
7
8
9
RS-232
RS-422
NC
SD
RD
RS
CS
5V
DR
ER
SG
DIP SW
SW1-1: ON
SW1-2: ON(Terminating resistance)
SW1-3: OFF
SW1-4: OFF
SW1-5: OFF
SW1-6: ON
RDA
RDB
SDA
SDB
NT-AL001
(+)5V
(
−
)Power
CP1E N/NA
-type CPU Unit
RS-422A/485
Option Board
Signal
Pin
Terminal block
Terminal block
4-wire
Terminating
resistance:
ON
Signal
Device supporting RS-422A/485
communications
RS-422A/485
interface
Signal
Signal
Signal
Pin
Pin
Shield
Shield
D-sub, 9-pin
connector (male)
Device supporting
RS-422A/485
communications
RS-232C
interface
CP1W-CIF11/12
2-wire
CP1W-CIF11/12
Signal
RS-422A/485 Option Board
Control circuit
terminal block
(communications
terminals)
50m max.
RS485
3G3MV
Signal
Control circuit
terminal block
(communications
terminals)
50m max.
RS485
3G3MV
FG
Built-in RS-485 Port
Built-in RS-485 Port
N/NA
-type CPU Unit
N
S1-type CPU Unit
Summary of Contents for CP1E-E**D Series
Page 3: ......
Page 66: ...2 Basic System Configuration and Devices 2 22 CP1E CPU Unit Hardware User s Manual W479...
Page 318: ...Appendices A 54 CP1E CPU Unit Hardware User s Manual W479...
Page 322: ...Index 4 CP1E CPU Unit Hardware User s Manual W479...
Page 324: ...Revision 2 CP1E CPU Unit Hardware User s Manual W479...
Page 325: ......