Data Communication Settings
51
Heartbeat Field Separators String
This parameter determines the string used to separate the fields within the Heartbeat message. It can be a string of
up to 128 characters.
Selections: characters from
NUL
(00H) to
~
(7EH)
Counter Module
This parameter enables a counter to track the number of Heartbeat messages.
Selections:
Disable
no counter field in the Heartbeat message
10
counts cyclically from 0 to 9
100
counts cyclically from 0 to 99
1000
counts cyclically from 0 to 999
10000
counts cyclically from 0 to 9999
Custom
allows defining a custom counter start/stop range from 0 to 10000.
Custom Counter Module
This parameter is available when the Counter Module parameter is Custom. It allows defining the maximum count
number to reach before recycling.
Selections: a number from
2
to
10000
Counter Starting Value
For the Custom Counter Module this parameter selects the starting counter value.
Selections: a number from
0
to
9999
Counter Direction
Sets the counter direction, either
up
or
down
.
System Diagnostics
If checked it enables the System Diagnostics Field in the Heartbeat message. The System Diagnostics field is a fixed 2-
byte field (for the TCNM-AD/EX Family the second byte is always 0). The first byte has the following meaning:
1 = Reading Station OK
3 = Presence Sensor Failure
4 = Reading Station Failure
Network Diagnostics
If checked it enables the Network Diagnostics Field in the Heartbeat message. The Network Diagnostics field is a fixed
32-byte field (one for each scanner in the network from scanner 0 (Master), to scanner 31). Each byte has the
following meaning:
0 = Scanner not expected
1 = Scanner OK
2 = Scanner expected but not present (not connected or possible network failure)
3 = Scanner Failure
Heartbeat Terminator String
This parameter signals the end of the Heartbeat message. It can be a string of up to 128 characters.
Selections: characters from
NUL
(00H) to
~
(7EH)
The Heartbeat Header String should be different from the Heartbeat Terminator String.
