Omron CP1E-E10DT-A, User Manual

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3-21
3 Part Names and Functions
CP1E CPU Unit Hardware User’s Manual(W479)
3-1 C
P
U
Un
it
s
3
3-1-4 O
p
tional Ser
ial
C
o
mmunicat
ions
P
o
rt
f
o
r N/
N
A
(S
)-ty
pe CP
U Unit
s
z
RS-485 Terminal Block
z
DIP switch for terminating resistance settings
z
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.