Manual for Modbus Master

KMB systems, s. r. o.
Dr. M. Horákové 559, 460 06 Liberec 7, Czech Republic
Tel. +420 485 130 314, Fax +420 482 736 896
E-mail: [email protected], Web: www.kmb.cz
Modbus Master fw. module
User Guide
MODBUS RTU
3rdoparty
Modbus
Device
X1
X2
O-
O+
R
A1 A2
G
B A
COM1
Power Analyzer
ETH
L1
L2
L3
L4
l1 k1 l2 k2 l3 k3 l4 k4
SMC 144 as concentrator
X1
ETHERNET
X2
O-
O+
L2
L3
L4
R
A1 A2
G
B A
COM1
G B/1 A/2
COM2o/oDI
PA 144
Power Analyzer
N
G B/1 A/2
COM2o/oDI
SMC 144
N
3rdoparty
Modbus
Device
L1
l1 k1 l2 k2 l3 k3 l4 k4
Description
Modbus Master module enhances instruments data logging abilities. By using this module you can configure the
instrument to read any Modbus registers from any instruments of any manufacturer connected to it’s RS-485
line. Downloaded values are stored into it’s memory including a timpestamp. Modbus archive created from
stored values can then be downloaded into file or SQL database using ENVIS.Daq or ENVIS.Online. ENVIS
allows than to do the evaluation, create graphs, tables etc. from these values. Collected values are not limited
to electrical only. It’s also possible to collect data from water-meters, gas-meters, HVAC and any other devices
with Modbus.
MODBUS RTU
ETHERNET
X1
X2
O-
O+
L3
L4
R
A1 A2
G
B A
COM1
G B/1 A/2
COM2 / DI
SMC 144
ELEVATORS
Power Analyzer
ETH
N
L1
L2
l1 k1 l2 k2 l3 k3 l4 k4
X1
X2
O-
O+
L2
L3
L4
R
A1 A2
G
B A
COM1
G B/1 A/2
COM2 / DI
PA 144
Power Analyzer
MODBUS MASTER
DATA SERVER
N
X1
X2
O-
O+
L2
L3
L4
R
A1 A2
G
B A
COM1
L1
l1 k1 l2 k2 l3 k3 l4 k4
G B/1 A/2
COM2 / DI
PA 144
Power Analyzer
N
L1
l1 k1 l2 k2 l3 k3 l4 k4
OFFICES
X1
X2
O-
O+
L2
L3
L4
R
A1 A2
G
B A
COM1
G B/1 A/2
COM2 / DI
PA 144
Power Analyzer
N
L1
l1 k1 l2 k2 l3 k3 l4 k4
OFFICES
X1
X2
O-
O+
L2
L3
L4
R
A1 A2
G
B A
COM1
PFC
G B/1 A/2
COM2 / DI
PA 144
Power Analyzer
N
L1
l1 k1 l2 k2 l3 k3 l4 k4
26xx
OFFICES
GAS
HEAT
THREE PHASE
POWER FACTOR CONTROLLER
WATER
Supported Instruments
SMC 144
Activation of the module
1. If you are already owner of some of the Supported Instruments order the module at [email protected]. Otherwise you can order the module with instrument and we will activate it for you.
2. You will receive activation code by e-mail. Such as 0123456789.
3. Start ENVIS.Daq and connect to the instrument. Click on the link Module activation under ’Configs’ tab
in left part of the window.
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4. Enter your activation code into Module Activation window and press ’Send ’.
Successful activation will be confirmed and instrument will restart. Your new firmware module is now activated.
Configuration in ENVIS.Daq
Configuration is made in ’Modbus Master’ menu item under ’Configs’ tab.
1. Check ’Enabled’ in upper part of Modbus Master window to enable Modbus Master. Also you can assign
portion of internal memory to Modbus Master archive by using the slider.
2. Choose tab with Set you would like to edit, or click on ’+’ tab to create new Set. It’s possible to define
up to 10 different sets of configuration.
3. In ’Setting’ section define ’Action’ as ’Archive’ for datalogging, set ’Reading Period’ according to your
needs. Set custom ’Device Name’ which could refer to device from which data are downloaded. Last from
this section is Modbus function code, which should be specified in documentation of Modbus device.
4. Modbus communication addresses of devices are defined in section ’Associated Device Addresses’. You can
add addresses one by one by writing number and clicking ’+’, or by groups by writing several numbers
separated by comma or dash. To remove present addresses, click on particular row and press delete key.
5. Last part of configuration is definition of registers which should be read from associated devices. Navigate
to empty row and enter ’Address’ of required Modbus register, write or select from present ’Name’ under
which value should be stored and also set ’Unit’. Next define or select from present ’Group’ under which
it should be assigned (i.e. electrical, physical etc.). You can also set multiplier which multiplies read value
before storing into instrument. At last it’s necessary to set ’Data Type’ which is defined for each value by
Modbus device. There are several options of data-types each with option of BigEndian bit order ( be) and
LittleEndian ( nbe),
6. After configuration, you can either create new set for another single/group of instruments, or press ’Send’
to store the configuration to Modbus Master device.
7. To save stored data to computer, simply download Modbus Archive via ENVIS.Daq or ENVIS.Online.
Similarly to evaluate downloaded data, use ENVIS and navigate to Modbus Archive stored between other
archives of Modbus Master Device.
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1.
2.
5.
3.
4.
6.
Figure 1: Modbus Master Configuration window
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