Operating Instructions
Chapter 4 - Parameters and Menu Structure
I/O and Hardware (M5)
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Siemens Industry, Inc.
Siemens BT300 HVAC Drive
DPD01809
Smart Infrastructure
2019-05-29
9. Select:
Main Menu > I/O and Hardware (M5) > RS-485 (M5.8) > ModBus RTU (M5.8.3) > Parameters
(M5.8.3.1) > Stopbits (M5.8.3.1.4) > Edit.
10. Select desired
stop bits.
For commanding of Run/Stop using ModBus RTU complete the following steps (in
addition to the Monitoring steps above):
1. Select:
Main Menu > Quick Setup (M1) > Ctrl. Place Auto (M1.15) > Edit.
2. Select
FieldBusCTRL
.
For commanding of Speed Reference using ModBus RTU complete the following steps
(in addition to the monitoring steps above):
1. Select:
Main Menu > Quick Setup (M1) > I/O A Ctrl Ref (M1.10) > Edit.
2. Select
Fieldbus
.