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3.2.2 Rotary Switch for Node Address Setting
The DN211 board has a rotary switch for node address (0 to 63 in decimal scale) setting (Figure
3.3). NA-H is used for setting a 10-order figure while NA-L is used for setting a 1-order figure.
Since both of NA-H and NA-L can set a value from 0 to 9, the value can range within 0 to 99.
When a value within 64 to 99 is set, however, a "Node Address Setting Abnormal" error occurs
with the DN211 when the T2/T2E/T2N power is switched ON.
To clear the error, set the correct node address and, issue a reset request or switch OFF and ON
the power. In the DeviceNet, each of the node address values in the network must be unique.When
the DN211's node address duplicates with another node address, a "Node Address Duplicated"
error occurs with the DN211 when it turns run status. To clear the error, allocate the correct node
address and, issue a reset request or switch OFF and ON the power.
Front panel
DN211 board
NA-H NA-L
Factory setting = "0"
∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼∼
Figure 3.3 Rotary Switch for Node Address Setting
CAUTION
1. When you set a value within 64 to 99 to the node address of your DN211 and turn ON the
power of your T2/T2E/T2N, "Node Address Setting Failed" will appear with the following
indications:
• The "MS" LED is blinking red.
• "F6" and the local station node address are being displayed alternately on the 7-segment
LED.
To clear these indications, set the correct value to the node address and, issue a reset
request or turn OFF and ON the power.
2. If your DN211 node address has the same value with another node and when the DN211
comes into run state, "Node Address Duplicated" will appear with the following indications:
• The "MS" LED is lighting red and/or the "NS" LED is lighting red.
• "70" and the local station node address are being displayed alternately on the 7-segment
LED.
To clear these indications, set the correct value to the node address and, issue a reset
request or turn OFF and ON the power.
Usage Recommendation
1. Use a small minus screwdriver for changing values of the rotary switch.