Configuration manual Reader
22
Modifications, misprints and errors excepted.
English
2.
Description of the configuration parameters
2.7.4.
“PowerCheckOverAllAllowedChannels”
Characteristics:
available from firmware:
v1.30.00
Data type:
Bool (8-bit)
Unit:
–
Value range:
0; 255
Description:
These configuration parameters are relevant only if “ETSI_EN302208” or “ETSI_EN302208_LBT” was selected as the
communications standard.
Different maximum transmission powers are allowed per channel, depending on the communications standard:
For EN 302208 these are:
channel
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
maximum
permitted
transmis-
sion power
W
0
0
0
2
0
0
2
0
0
2
0
0
2
0
0
For EN 302208_LBT these are:
channel
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
maximum
permitted
transmis-
sion power
W
0,1
0,1
0,1
2
2
2
2
2
2
2
2
2
2
0,5
0,5
1.
The transmission power that is used is limited to the lowest maximum power for the selected channels. For
example: If “EN302208_LBT” was selected and channels 3 and 4 are entered in the channel list, and 2 Watt has
been set as the transmission power, the reader transmits only at 0.1 Watt, since within these channels channel 3
has a maximum power setting of only 0.1 Watt.
2.
If point 1 yields a maximum power setting of 0 Watt (if for instance “EN302208” was selected and a channel other
than channels 4, 7, 10 or 13 was entered in the channel list), the reader generates a “power check error” for the
respective antenna port.
2.8.
The configuration group “communication standard” (“CommStandard”)
The following configuration parameters contain the setting options for the “Special” communications standard.
This communications standard allows country profiles to be entered for countries (so far) lacking an entry
implemented in the reader. The principal condition for this is that the communications standard to be entered is in
the form of a schematic channel grid specified exposure times and pause times, and random channel selection.
A further condition is that the values of the configuration parameter, taken together, ensure 100% coverage of the
time. That means that the reader is in the position at all times to determine a valid channel from the values set
in the parameters. For 100% coverage of the time, one of the following conditions must be satisfied:
or
(
“FirstChannel” = “LastChannel”
)
AND
(
“MinChannelWaitTime” =
0)
(
“MaxChannelTime” –
5
ms
)
*
(
“LastChannel” – “FirstChannel”
+ 1) ≥
“MinChannelWaitTime”
