Using Unregistered Communications Partners; Finding Unused Channels - Omron WT30 Operation Manual

Using Unregistered Communications Partners

3-4

Using Unregistered Communications Partners

3-4-1

Finding Unused Channels

Common Settings for Serial Master Station and I/O Slave Stations
1,2,3...
Received Signal Strength Indicator
Field strength
Number of indicators lit
RUN mode
TEST mode
Field strength monitor
test
Installation/confirmation test
42
Use the following procedure to operate a system configured with a Serial
Master Station and either a PLC or personal computer connected via RS-
232C in which the I/O Slave Stations have not been registered.
Specify the frequency channel using the channel setting switch and monitor
the actual measurement values for the received signal strength in real time.
1. Before turning ON the power, set the function setting switch as follows:
ON
1 2 3 4 5 6 7 8 9 0
2. Change the setting for the mode setting switch to TEST mode, and then
turn ON the power.
RUN
TEST
SET
3. Specify the channel to be monitored using the channel setting switch.
W CH
X10
Note For details on monitoring wireless channels when all wireless channels are
specified, refer to 3-2-2 Monitoring All Wireless Channels on page 38.
4. Check the monitoring results on the RSSI display indicated using 10 levels.
In the RSSI shown in the following table, if one or less indicator is lit, the
corresponding channel being monitored can be used.
Red indicators
Weak
0 1
Unstable communications range
Range in which
specified channel
can be used.
Unstable communications range
The received signal strength is indicated using 10 levels. Check the communi-
cations status, referring to the field strength level.
Bit 4: OFF (field strength monitor enabled)
Bit 5: OFF (specified channel)
Setting range: 01 to 34, 51 to 83
X1
Number of LEDs lit:
Field strength:
Yellow indicators
Medium
2 3 4 5
Stable communications range
Range in which specified channel cannot be used.
Stable communications range
Section 3-4
Few Many
Strong
Weak
Green indicators
Strong
6 7 8 9