KROHNE UFC 400 Modbus EN - Manual (Page 24)

6
APPLICATION SEQUENCES
24
UFC 400
www.krohne.com 05/2013 - 4002744801 - AD Modbus UFC 400 R01 en
6.2 Zero Calibration
• The example assumes slave address 1 for Modbus telegram.
1 Start
2 Start Zero Calibration
2a Set Coil 2000 (0x07D0)
MB-Telegram: 01 05 07 D0 FF 00 + CRC
3 Check Status Of Zero Calibration
3a Read Coil 2000 (0x07D0)
MB-Telegram: 01 01 07 D0 00 01 + CRC
4a running
4b ready
5
5a Read Result
Read Input Register 20000 (0x4E20)
MB-Telegram: 01 04 4E 20 00 01 + CRC
6a NOK
6b OK
7 Calibration Failure
8 Apply Changes
8a Set Coil 1002 (0x03EA)
MB-Telegram: 01 05 03 EA FF 00 + CRC
9 Calibration Done