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3.2 Switch Setting
The DN211 has a DIP switch on the front panel and a rotary switch on the side. These switches
are used for setting the operation mode, communication rate, and node address of the DN211.
3.2.1 DIP Switch for Setting the Operation Mode/Communication Rate
∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼
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ON
LOADER
1 2 3 4
1
OSEN
2
BUSOFF
3
DR1
4
DR0
← DIP switch for setting the operation
mode/communication rate
Factory setting: OFF
Figure 3.2 DIP Switch for Setting the Operation Mode/Communication Rate
Table 3.1 DIP Switch Setting
DIP Switch Name Function
1 OSEN Is reserved for the system. Set to OFF and keep it.
2 BUSOFF Specifies the operation mode when the DN211 turns busoff (*1).
ON: When turned busoff, the DN211 initializes the internal network
controller to become standby mode. After solving the cause of the busoff
state, resume transmission with the instruction from the T2/T2E/T2N.
OFF: When turned busoff, the DN211 initializes the internal network
controller before resuming transmission (factory setting).
3
4
DR1
DR0
Sets the communication rate. Refer to Table 3.2.
(*1) Busoff: Individual nodes on the DeviceNet check for abnormal transmission paths; when the local
node is judged to be the cause of abnormal transmission path, the local node is separated from the
transmission path. This state is called busoff.
Table 3.2 Communication Rate Setting
Communication
Rate
DR1 DR0
125 kbps OFF OFF ← Factory setting
250 kbps OFF ON
500 kbps ON OFF