Omron DEVICENET#05-2003 Operation Manual page 48

Communications Unit
Components
DeviceNet Communications Connector
Power Terminals
Connect to the power
supply for operation
(internal circuit power
supply).
DIP Switch Settings
DeviceNet Indicators (MS, NS Indicators)
Indicate the status of the Slave and the network.
Refer to page 199 for details.
DIN Track Mounting Hooks
The following diagram shows the functions of the DIP switch.
The following table summarizes the DIP switch settings. (All pins are factory-
set to OFF.)
Pin(s)
1 through 6 Node number
7 and 8
9
10
Note 1. I/O Units with individual settings, such as Analog Output Units, do not fol-
low this setting; they follow their own setting.
2. Always turn OFF the power supplies (including the communications power
supply) before changing any settings.
I/O Unit Interface Indicator (TS Indicator)
Shows the communications status of the I/O Unit interface.
Normal communications: Lit green
I/O Unit interface error:
Special I/O Unit error:
During initialization:
Refer to page 200 for details.
I/O Unit Interface Communications Connector 2
Connects to the I/O Unit interface communications cable.
DIP Switch
Set the pins as follows:
Pins 1 to 6:
Pins 7 and 8: DeviceNet baud rate
Pin 9:
Pin 10:
Node number
Baud rate
Function
Baud rate
Reserved for system use.
Hold/Clear outputs for
communications error
Lit red
Flashing green
Not lit
DeviceNet node number
Not used
Hold/clear outputs for communications
errors. (I/O Units with separate settings,
such as Analog Output Units, do not
follow this setting; they follow their own
setting.)
ON
Hold/Clear outputs for
communications error
Settings
Refer to page 38, Node Number Settings
and Baud Rate Settings for details.
Always OFF.
OFF: Clear
All output data will be cleared to 0 when a
communications error occurs.
ON: Hold
All output data will be retained when a
communications error occurs. (See note
1.)
Section 4-1
37