Rosemount 5300 Series with HART® to Modbus® Converter
May 2016
Reference Manual
00809-0100-4530, Rev DD
408
Rosemount 5300 Series with HART® to Modbus® Converter
No communication with Levelmaster protocol
See
No communication on RS-485 bus.
Make sure the “
Modbus communication protocol configuration
” is done properly.
Make sure the Levelmaster address is unique on the bus.
Cycle the power, waiting 40 seconds before communication begins.
Check the RTU communication settings.
J.13
HMC firmware upgrade in Rosemount Radar
Master
The HMC firmware is upgraded using Rosemount Radar Master (RRM). A detailed
description on how to carry out the firmware upgrade is shown on the following pages.
Note
All settings in the HMC will be lost after upgrading the transmitter. Reconfiguration of
Modbus communication setup and alarm handling is required after completing the
upgrade.
Note
During firmware upgrade, the HMC Modbus RTU address must be 246, the default address.
Make sure to disconnect other Modbus RTU devices that are connected and have address
246.
Note
Do not interrupt communication between the PC and the Rosemount 5300 Series Level
Transmitter during the firmware upload.
1.
Start RRM and select
Communication Preferences
in the
View
menu.
2.
Navigate to the Modbus tab and use the following settings:
Modem: RS-485
Baudrate: According to configuration in HMC (default 9600)
Stop Bits: According to configuration in HMC (default 1)
Parity: According to configuration in HMC (default None)
Handshake: RTS/CTS
Response Timeout: 1000 ms
Retries: 3