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Functions of General-purpose Slaves and Environment-resistive Slaves Section 4-3
4-3-3 Power ON Delay
Function Overview The I/O power is monitored, and input is stopped when the I/O power is OFF
and for 100 ms after the I/O power is turned ON (i.e., until the power supply
becomes stable). This function prevents incorrect input caused by inrush cur-
rent at startup from connected devices when the I/O power is turned ON. The
Configurator or explicit messages can be used to enable or disable this func-
tion.
Setting Using the
DeviceNet
Configurator
The method used to set values from the DeviceNet Configurator (Ver. 2.20 or
later) is described here.
1,2,3... 1. Turn ON the power to the DRT2-series Smart Slave.
2. From the Main Window, open the Network Configuration Window and dou-
ble-click or click the right mouse button over the icon of the DRT2-series
Smart Slave to be set. Select Parameter and Edit to display the Edit De-
vice Parameters Window.
From the Maintenance Mode Window, click the right mouse button over the
icon of the DRT2-series Smart Slave to be set. Select Parameter and Edit
to display the Edit Device Parameters Window.
3. Select the IN Tab.
Select Enable under the item for preventing malfunctions caused by inrush
current at startup and click the OK Button.
4. Select the General Tab, click the Download Button, and then click the Re-
set Button to reset the Unit.
5. Click the OK Button.
4-3-4 Contact Operation Counter
Function Overview The Contact Operation Counter is used to count the number of times each
input or output contact is changed from OFF to ON (maximum resolution 50
Hz) and record the total value calculated in the Slave. (The Configurator or
explicit messages can be used to read the information.)
The monitor value can be set in the Slave, and when the set number of opera-
tions is reached, the Connected Component Maintenance Flag in the Status
Area will be turned ON. (The Configurator or explicit messages can be used
to read the status of the Connected Device Maintenance Flag.)
• Counted operations: 0 to 4294967295 operations (stored data: 00000000
to FFFFFFFF Hex)
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