7 FUNCTIONS
7.1 IO-Link Master Functions
73
7
Disconnection detection function
This function detects disconnection if communication with an IO-Link device is lost in IO-Link mode.
• Disconnections are detected even if an IO-Link device is not connected to a channel operating in IO-Link
mode.
• To disable disconnection detection when replacing an IO-Link device with another IO-Link or an SIO device
while the IO-Link module power is on, select the target channel in "Start Device Changeout" of "Command
Execution of Slave Station" of the engineering tool. ( Page 99 Device Replacement Function)
Operation mode
This function is enabled only in the following operation modes.
• IO-Link (standard) mode
• IO-Link (sink input) mode
Disconnection notification
The following occurs when a disconnection from the IO-Link device is detected.
• The ERR. LED flashes.
•CH ERR. LED of the target channel turns on.
•CH LED of the target channel flashes in green.
•CH Input data invalid flag (RX8 to RXF) for the target channel turns on.
•CH IO-Link device connection status flag (RX20 to RX27) for the target channel turns off.
• Warning status flag (RWr0.b12) turns on.
• A disconnection error (error code: 1806H) is stored in Warning code (RWr2).
• Occurrence of minor error (RX19) turns on.
Recovery from a disconnection
The following occurs in five seconds after recovery from a disconnection.
• The ERR. LED turns off.
•CH ERR. LED of the target channel turns off.
•CH LED of the target channel turns on in green.
•CH Input data invalid flag (RX8 to RXF) for the target channel turns off.
•CH IO-Link device connection status flag (RX20 to RX27) for the target channel turns on.
• Warning status flag (RWr0.b12) turns off.
• Warning code (RWr2) is cleared.
Occurrence of minor error (RX19) remains on. Occurrence of minor error (RX19) can be turned off by turning
on Occurrence of minor error clear request flag (RY19).
To Next Page
Loading...
