3 Part Names and Functions
3-22
CP1E CPU Unit Hardware User’s Manual(W479)
z
DIP switch for operation settings
z
LED Indicators
z
Ethernet Connectors
The following standards and specifications apply to the connectors for the Ethernet twisted-pair
cable.
Electrical specifications: Conforming to IEEE802.3 standards
Pin
Setting
1
ON
ON (both ends)
Terminating resistance selection
Resistance value:220
Ω
typical
OFF
OFF
2
ON
2-wire connections
2-wire or 4-wire selection
*1
OFF
4-wire connections
3
ON
2-wire connections
2-wire or 4-wire selection
*1
OFF
4-wire connections
4
−
−
Not used.
5
ON
RS control enabled
RS control selection for RD
*2
OFF
RS control disabled (Data
always received.)
6
ON
RS control enabled
RS control selection for SD
*3
OFF
RS control disabled (Data
always sent.)
*1
Set both pins 2 and 3 to either ON (2-wire) or OFF (4-wire).
*2
To disable the echo-back function, set pin 5 to ON (RS control enabled).
*3
When connecting to a device on the N side in a 1: N connection with the 4-wire method,
set pin 6 to ON (RS control enabled).
Also, when connecting by the 2-wire method, set pin 6 to ON (RS control enabled).
CP1W-CIF41 Ethernet Option Board
Indicator
Color
Status
Meaning
COMM
Yellow
Not lit
Not sending or receiving data.
Flashing
Sending or receiving data.
ERR
Red
Not lit
Unit normal.
Lit
An fatal error has occurred at the Unit.
Flashing
An no-fatal error has occurred at the unit.
1
2
3
4
5
6
O
N
Label
Attach the label here to show IP
address and subnet mask.
Front
Rear
CPU Unit connector
Ethernet Connector
Used to connect the Ethernet
twisted-pair cable.
LED Indicators
Display the operating status of the Option Board.
Summary of Contents for CP1E-E10DT-A
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