Omron 3G3MV-P10CDT-E User Manual page 41

Unit Components and Specifications
28
The communications port can be used simultaneously as both a pe-
ripheral port and RS-232C port by using the CPM2C-CN111 Con-
necting Cable
Note The peripheral port and RS-422/485 port cannot be used simultaneously.
When using the peripheral port disconnect any devices connected to the RS-
422/485 port.
6. Communications switch
Switch to select port 1 type of connected device
Position
OFF (default)
ON
7. RS-422/485 port (3G3MV-P10CDT3-E only)
Used to connect to host computers, or standard external devices.
Connector: Phoenix MSTB 2.5/5-STF-5.08AU
Note The maximum line length is 500 m.
Note The peripheral port and RS-422/485 port cannot be used simultaneously.
When using the peripheral port disconnect any devices connected to the RS-
422/485 port.
8. RS-422/485 switch (3G3MV-P10CDT3-E only)
Switch to select 4-wire (RS-422) or 2-wire (RS-485) communication
Position
OFF (down) (default)
ON (up)
9. Terminating Resistance switch (3G3MV-P10CDT3-E only)
Position
OFF (down) (default)
ON (up)
Set this switch to ON only for double-ended connection to a Host Link net-
work.
10. I/O connector
Connects the CPU Unit to external input and output devices.
1 2 3
Connector: WAGO 733-112 (wire cross section 0.08 to 0.50 mm
Communication port 1
Programming Console
RS-422/485 communication
Terminal Arrangement
Receive data
(input)
RDA- RDB+ Shield
4-wire communications
2-wire communications
Disabled
Enabled
Sinking outputs
4 5 6 7 8
SECTION 2
Send data
(output)
SDA- SDB+
Status
Termination
9 10 11 12
2
)
1 2