Normally three work scenarios can occur:
Connect WRM-TS to master m-bus converter/display, like MBM-64/250 – then
data will be visualized on display or read through wired m-bus interface
Connect WRM-TS to communication device like Ethernet/GPRS/phone modem –
then data can be read from remote location
Connect portable computer to RS-232 port and read information manually.
Initial parameters programming is essential. By default WRM-TS works in wireless T1
mode, listening for all incoming messages in the air. If meters for readout are programmed,
each received message is processed and if frame header equals to a programmed meter,
data is decoded and saved in non-volatile memory. Programming meter in WRM-TS memory
means that user must activate particular device, giving information about its Primary and
Secondary address. Primary address is defined by the user and generally is a number
between 1 and 250. Secondary address is meter ID, which is 8-digit unique code, written on
every meter and should be known to the user.
If meters are AES-128 encrypted then use should set individual decryption keys for each
meter. Or can use one Master key for all meters.
When desired meters are activated in WRM-TS memory user can also set readout
interval in hours (1-240) or minutes (5-240). When asked with standard m-bus telegram
REQ-UD2 on m-bus or serial interface, WRM-TS returns last saved value, with or without
timestamp.
WRM-TS has internal RTC clock, which has a backup power supply. On power down
device does not work, but RTC remains untouched for about a month.
All settings are made through serial PC port. Since all commands are ASCII based this
can be done with simple terminal program, although easy setup software is provided for
setting and reading.
All commands and parameters are ASCII based with one exception – encryption key
command.
Each command consists of three* basic parts:
command type
command description
parameters*
*parameters are optional for some of the commands.
Command types are consisted of 3-letter ASCII and are three main types – ‘get’,
‘set’ and ‘del’.
Command description is a 4-letter command code.
Command parameters are one or two ASCII sequences, separated with a ‘,’ symbol.
When parameters have to be set in WRM-TS memory, after command description is always
present symbol ‘=’.
To start reading particular device there are two main steps that must be done:
- activate a device in memory
- **set WRM-TS in desired wireless m-bus mode
- ***set desired interval for memorizing
**by default WRM-TS works in T1 mode
***by default this value is on every 60 minutes
And that’s all. Furthermore, some additional parameters like port speed and parity, time
and data, timestamps and so on can be set by the user for convenient reading.
Main commands and parameters are these:
# Command Description Default value Value range Note
1 get main Return type, firmware
version and ID of
WRM-TS
N/A N/A
2 get serv Return main
operational parameters
N/A N/A
3 get time Return current time of
WRM-TS
N/A N/A
4 get date Return current date of
WRM-TS
N/A N/A
5 get addr Return MAX devices
and activated meters in
HEX-ASCII mask
N/A N/A
6 get full Return all activated
primary and
corresponding
secondary addresses
N/A N/A
7 set time=hh:mm:ss Set time of WRM-TS 00:00:00 hh <0-23>
mm <0-59>
ss <0-59>
8 set date=dd/mm/yy Sets date of WRM-TS 01/01/16 dd <1-31>
mm <1-12>
yy <00-99>
9 set minc=0/1 Defines readout
interval in minutes (0)
or hours (1)
0 0 or 1
10 set pito=xxx Defines readout
interval
6 (hours) <0-240>
11 set wmod=x Sets working wireless
m-bus mode
MODE T1 0 = S1
1 = T1
2 = T2
3 = S2
12 set trns=0/1 Defines type of WRM-
TS readouts – full radio
telegram or m-bus
telegram due to
EN13757-3
0 (transparent mode
OFF)
0 or 1
13 set tmst=0/1 Defines presence of
timestamps in readout
m-bus telegram
1 (ON) 0 or 1
14 set entr=x,y Activates METER in
WRM-TS memory
N/A xxx = PRIMARY
yyyyyyyy = ID
Binds user defined primary
address to existing wireless
meter with ID yyyyyyyy
15 set bind=x,y Binds a meter in
special list, which is
used on filtering and
AES-128 encryption
N/A xxx = PRIMARY
yyyyyyyy = special
Yyyyyyyy is a HEX sequence,
which includes ID,
manufacturer code, version
and device type
16 set encr=x,y Sets AES-128
encryption key for a
particular meter
N/A xxx <1-64>
Y = 16-byte key
Meter 1-64 should be in
BIND list in order decryption
to work correctly
17 set rssi=0/1 Sets RSSI byte
presence in every
wireless telegram
1 (ON) 0 or 1 This is last byte before STOP
byte in wired m-bus
telegram.
18 set decr=0/1 Turns AES-128
message decryption
ON/OFF
1 (ON) 0 or 1 Used only if AES-128
encrypted messages will be
received
19 del entr=xxx Deactivates a device in
WRM-TS memory
N/A xxx <1-250>
20 del bind=xx Deletes device from
BIND list
N/A xxx <1-64>
21 del addr Deactivates all devices
in WRM-TS memory
N/A N/A
All commands and parameters are lower case, with no preceding or trailing characters like space,
CR, LF, etc.
For full command reference refer to WRM-TS Command reference, which can be
downloaded from www.gineers.com/en/products_remote_master_wrm.php
