User Manual

Table Of Contents
Appendix 181
Mailbox Command References
WAGO-I/O-SYSTEM 750
I/O Modules
6.3.6.5 Read Signal Strength for a Connection (GetLinkSignalStrength, 0xD7)
The RSSI value indicates possible overmodulation of the Bluetooth
®
recipient.
It returns "0" if the strength of the received signal lies within the tolerance
range. If the received signal is stronger than the upper limit of the tolerance
range, a value > "0" is returned; if the received signal is weaker than the lower
limit, a value < "0" is returned.
RSSI
Incoming signal strength (dBm)
Figure 43: Connection between RSSI value and LED color (see bars below the table) g064469x
Conditions
Mailbox size Operating mode/profile Device role
6 12 18 Config.
Real-
time
Ad hoc Master Slave
Save
config.
Restart
- - -
Request
Byte 2
7
2
6
2
5
2
4
2
3
2
2
2
1
2
0
0 MBX_GETLINKSIGNALSTRENGTH
1 T -
2 MBX_TARGET_TABLE_AND_INDEX