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S Registers
84 (88)
Roaming WLAN Registers
Register
Name
Value Range
Default Value
Description
4000
Roaming list
trigger RSSI
0..1
1
0: Do not trig on RSSI
1: Trig on RSSI (default)
4001
Roaming list
trigger input
0..1
1
0: Do not trig on digital input
1: Trig on digital input (default)
4002
Roaming
RSSI diff
threshold
0..127
10
When the difference between the connected AP
RSSI and the RSSI from the best AP from
background scan exceeds this threshold a roaming
handover is done.
4003
Trigger Scan
RSSI
-128..127
-70
Defines at what RSSI level a background scan
should be initiated to find a better connection.
4004
Fast Roaming 0..1
1
0: Disable fast roaming.
1: Enable fast roaming according to IEEE 802.11r,
this causes the device to roam quicker between
APs with the same SSID, but the BSSID and
Channel parameters in the connection list is ignored
(default).
Note that this is in Client mode only and the the
AP's also need to support IEEE 802.11r.
Network Registers
Register
Name
Value Range
Default Value
Description
5000
TCP Keep-
Alive Enable
0..1
0
Turn on/off TCP keep-alive packets. It is important
to understand that sending frequent keep-alive
packets usually isn't a good solution to detect
dropped connections. Detecting dead links should
be done on a higher level, i.e. in the user application
protocol. There is a lot of information available on
the subject on the web.
0: TCP keep-alive packets turned off
1 = TCP keealive packets turned on
5001
TCP Keep-
Alive Idle
Time
0..4294967296
7200000
Time in milliseconds for a TCP connection to be idle
before a keep-alive packet is sent.
5002
TCP Keep-
Alive Interval
0..4294967296
75000
Time in milliseconds between keep-alive packets.
5003
TCP Keep-
Alive Lost
Count
0..255
9
Number of lost keep-alive packets to wait before a
TCP connection is reset.
5004
LLDP Send
Interval.
0..65535
60
The module will per default send information in
LLDP frames with its current setup. This can also be
used to stay alive on access points that do not
properly wake the module before a disassociation.
Value in seconds.
0 = Off, do not send or process incoming LLDP
frames
5005
Reserved
5006
LLDP Hold
Multiplier
2..10
4
This value multiplied with LLDP interval makes the
total time an LLDP update is valid.
PROFINET Registers
Register
Name
Value Range
Default Value
Description
5100
Reserved
5101
Profinet
Prioritization
0..1
0
Set prioritization for PROFINET.
0: Disable
1: Enable
5102
Prioritized
Ethernet Type
0..65535
0x8892
The 16-bit Ethernet type to prioritize
Wireless Bolt
™
/ Wireless Bridge II
™
Reference Guide
SCM-1202-004 EN 1.7