Configuration Of The Pac Rs485 Expansion Module On The Sentron Pac3200 Power Monitoring Device - Siemens SENTRON PAC RS485 Manual

Configuration

6.3 Configuration of the PAC RS485 expansion module on the SENTRON PAC3200 Power Monitoring Device

Setting a unique address
Every device requires a unique address. The address is stored in the non-volatile memory of
the SENTRON PAC Power Monitoring Device.
Change the address of each device before you begin transferring data. You can change the
address:
● Via the menu of the SENTRON PAC Power Monitoring Device
● Via the Ethernet interface, e.g.:
● RS 485 interface
See also
Configuration of the PAC RS485 expansion module on the SENTRON PAC3200 Power
Monitoring Device (Page 58)
Default settings (Page 57)
6.3 Configuration of the PAC RS485 expansion module on the SENTRON
PAC3200 Power Monitoring Device
When the PAC RS485 expansion module is mounted on the SENTRON PAC Power
Monitoring Device, you can make the configuration settings for the PAC RS485 expansion
module on the Power Monitoring Device.
NOTICE
Interrupted communication when the nodes on the bus are configured differently
If the nodes on the bus are configured differently, communication faults will occur on the
bus. Ensure that for all nodes on the bus, the same baud rate, the same settings, the same
protocol and the same response time are set on the bus and on the master.
Settings on the SENTRON PAC Power Monitoring Device
In the main menu of the SENTRON PAC Power Monitoring Device, call "Settings " >
"RS485 Module". You then see the following screen:
58
– MODBUS TCP
– SEAbus TCP
Sentron powerconfig
–
CAUTION
Address changes on the device become valid after approx. 2 s
When you change the address of the slave on the SENTRON PAC, the new address is
accepted as soon as you quit the "Change Address" menu. Reconfigure the master with
the new address. Communication is interrupted until this change takes effect.
fromV.1.0.1.0
PAC RS485
Manual, 02/2008, A5E02091800B-01