LAMBRECHT meteo GmbH
Ser[LOG] Manual
Page 17 of 129
2
Wiring - Device Connection
2.1
Supply voltage
Via terminal "VIN", the Ser[LOG] can be supplied with 10...30VDC. The connection is protected against
reverse polarity. The used DC / DC converter is not isolated. Typically, the Ser[LOG] is supplied with
12VDC or 24VDC.
Spannungsversorgung
Power supply
+ -
VIN
10...30 V
+ -
12 / 24 VDC
Note:
The applied supply voltage is routed through the "Ser[LOG] bus" to the connected AnDiMod
measurement modules. The modules pass this voltage on to supply sensors. This means that the sensor
supply terminals always receive the same voltage that was applied on Ser[LOG]. VOUT = VIN
2.2
Connection - Serial devices
The following devices with serial interface can be connected to the Ser[LOG]:
•
Sensors
•
Evaluation PC
•
Modem
•
Modbus relay
•
AnDiMod (COM6)
Important note:
By default, factory settings the serial ports are disabled. The Ser[LOG] can be reached
during initial commissioning only via the mini-USB service interface or a (suitable) Bluetooth stick.
2.2.1
Terminal - apparatus with RS485 interface and Modbus RTU
By default, factory settings the equipment with RS485 interface (e.g. Modbus RTU protocol) can be via
the COM port 2-6 connected. The device is delivered so the RS485 hardware drivers for COM ports are
enabled through the jumper fields from 2 to 6.
COM2...4
TxD
RxD
GND
T+
T-
R+/
D+
R-/
D-
RS485
Device
Data+
Data-
COM5...6
T+
T-
R+/
D+
R-/
D-
RS485
Device
Data+
Data-
RS485 jumper settings for COM2…6
Example of lower jumper field: RS485 hardware driver for COM2 to COM6 activated.
Note:
In order to use the occupied COM interfaces, they must be switched on and configured with the
Ser[LOG]-Commander.
Содержание Ser[LOG]
Страница 9: ...LAMBRECHT meteo GmbH Ser LOG Manual Page 9 of 129 21 Technical data 127 22 Disposal 129...
Страница 68: ...LAMBRECHT meteo GmbH Ser LOG Manual Page 68 of 129 This choice leads to the following graph...
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