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3-21
3 Part Names and Functions
CP1E CPU Unit Hardware User’s Manual(W479)
3-1 C
P
U
Unit
s
3
3-
1-4 Optional Serial C
ommunications Port for
N/NA
(S
)-type CPU
Units
RS-485 Terminal Block
DIP switch for terminating resistance settings
RS-422A/485 Terminal Block
Built-in RS-485 Port (2-wire) for N30/40/60S1 CPU Units
Setting
ON
ON (both ends)
Terminating resistance selection
Resistance value: 220
Ω
typical
OFF
OFF
CP1W-CIF11 or CP1W-CIF12 RS-422A/485 Option Board
DIP switch
ON
A- B+ FG
Front
Rear
Communications
status indicator
COMM
RDA- RDB+ SDA- SDB+ FG
RS-232C connector
CPU Unit connector
DIP switch for operation
settings
RDB+
RDA-
SDA-
SDB+
FG
Tighten screws on the terminal
block to 0.28 N.m.
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: ......