57
Data type
- number
Range
- 1....8
Default
value
- 1
Comments
- n/a
8.2.5.7. M-Bus LEC mode
CAUTION!
This option is not supported since firmware 1.43 in MT-101 modules.
The following description is published for legacy support.
MT-101 module operating in
M-Bus LEC mode
along with converter RM-102 plays the
role of data converter for data received from heat meters that employ M-Bus protocol.
Data received at PORT2 is placed in dedicated registers of the memory map of MT-101.
Additionally, in this mode it is possible to attach a gas meter to PORT1 of the MT-101
module. After selecting this mode, local configuration is possible during the first 30s after
power-up - PWR LED is flashing.
8.2.5.7.1. Read interval
Function
- Defines (in seconds) an interval between readings from
peripheral device operating on GazModem protocol in order to
update measurement data.
Data type
- number
Range
- 0....255 [min]
Default
value
- 5 [min]
Comments
- value
0
(
zero
) forces max. possible frequency of updating. It
depends on speed of PORT2 along with size and number of
defined mapped spaces.
8.2.5.7.2. Number of retries
Function
- defines number of attempts to transmit data via PORT2 in case
of unconfirmed (within time defined by transmission Timeout
parameter) reception.
Data type
- number
Range
- 0....7
Default
value
- 1
Comments
- value
0
results in sending without confirming faultless
reception.
8.2.5.7.3. Transmission timeout
Function
- Defines (in seconds) waiting time for confirmation of data
frame reception.
Data type
- number
Range
- 0....10 [s]
Default
value
- 2 [s]
Comments
- This value along with declared Number of retries influences
max. time of single data packet transmission.
Содержание MT-101
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