MSENSE
®
DGA 9 7045899/02 EN – 11.2020 Page 127
• MSENSE® DGA 9 can be operated without a response delay (due to full duplex on RS232).
Modpoll result screenshot:
• Modpoll requires the start register address 1017 to query the additional sensors 1 ... 8 (Address =
1016 ... 1023, Register = 1017 ... 1024)
7.9.2 MODBUS / RTU on RS485 bus (with Modpoll)
This test MSENSE® DGA 9 -MODBUS / RTU via RS485 bus was performed using the Modpoll appli-
cation and a USB to RS485 converter. This demonstrates the ability to connect multiple MSENSE®
DGA 9 devices to one RS484 bus. Connection, settings and results are shown below.
• Physical connection / RS485 bus topology
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