Slave Station Connection Confirmation Mode - Panasonic MEWNET-F Technical Manual

7.3 Slave Station Connection Confirmation Mode

When the remote I/O system [MEWNET-F] is started (when the master station is powered up), it can be
selected whether to start the operation after all registered slave stations have been connected or start
the operation without waiting the connection of all regsitered slave stations.
- The factory default setting is set to "Slave station connection confirmation mode".
- It is set with the system register No. 35.
- For seeting "Slave station connection confirmation mode", a remote I/O map must be registered.If no
remote I/O map has been registered, "Slave station connection confirmation mode" is invalid although it
has been set.
Reference: <Chapter 6 Remote I/O Map>
7.3.1 Slave Station Connection Confirmation Mode
Setting
System register No. 35: The operation will start after all slave stations are turned on.
Timeout: Default: without timeout
Timeout can be set in the range of 0 to 255 seconds.
[Operation]
If there is any slave station which is not activated but it has been registered, the CPU will go to "slave
station connection wait mode", and will not operate the remote I/O control (during this time, the PROG.
LED on the CPU is flashing.The COMM. LEDs (or COM. LEDs) on tha master unit and slave stations
that have been activated are also flashing quickly to indicate the normal operation state).
Actual remote I/O control will be performed after all the slave stations registered in a remote map are
turned on.
Note:
The CPU goes to the slave station connection wait mode when
1. any slave station is not turned ON.
2. any communication cable is broken.
3. any slave station number is not correctly set in the remote I/O map.
4. the station number setting is not in the registered map.
Note) In case of the above 3 or 4, set the station number again, and turn off the power supply. Then turn
on it again.
When setting the timeout, a self-diagnostic error
E44"Remote slave station connection timeout"
will occur if a specified time elapses. The
operation will be performed according to the
setting of the system register No. 25.
Turn on the power to slave stations within a
specified time.
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