Modbus Status Messages; Troubleshooting; No Communication - aqua metro CALEC ST En Complément Des Instructions De Montage Et D'utilisation

Modbus status messages

Also the status messages are linked to Modbus registers. Aquametro AG will differentiate between follow types of status messages:
• Device status "Error":
All important device errors have to be monitored, like "System Error"
• Measurement value status "Alarm":
Specific messages like "dt Alarm" have to be monitored
(for more information please see error messages in the operating manual of CALEC

Troubleshooting

No communication

If no communication via Modbus possible, please check the following possibilities:
• Are the connections to clamp 90 and 91 O.K.?
• Is the Modbus setup at CALEC
• Please check the address and baud rate of all Modbus slaves in the network.
6
® ST (Address, Baud rate and Parity) O.K.?
®
ST)