User guide

Communication protocol Serie30 Page 16/37
4.10 Device Operation Command List
• compatible with Class.Group-Version = 5.20-10.XX and later
• Writing only allowed with F16 (write cycle with 2 registers)
• This address range is NOT readable
• corresponding functionality to Keller Bus function F95
• Some bytes of the message are fixed, see following frame layout:
Request:
DevAddr 0x10 0xFF StAdd L 0x00 0x02 0x04 B3 B2
B1 B0 CRC16 L CRC16 H
Response:
DevAddr 0x10 0xFF StAdd L 0x00 0x02 CRC16_L CRC16_H
MODBUS StAdd
(0xHILO)
Read/
Write
Reg.
Name
DESCRIPTION
0xFF00
W Set Zero P1
The zero point value from P1 is calculated, that the current measured value equals the
floating point number specified.
0xFF02
W Reset Zero P1
Zero Point Value from P1 is set to default (Coeff-No. 64 = 0.0)
0xFF04
W Set Zero P2
The zero point value from P2 is calculated, that the current measured value equals the
floating point number specified.
0xFF06
W Reset Zero P2
Zero Point Value from P2 is set to default (Coeff-No. 66 = 0.0)
0xFF08
- -
0xFF0A
- -
0xFF0C
W Set Zero CH0
The zero point value from CH0 is calculated, that the current measured value equals the
floating point number specified.
only available in devices of Class.Group 5.20.
0xFF0E
W Reset Zero CH0
Zero Point Value from CH0 is set to default (Coeff-No. 70 = 0.0)
only available in devices of Class.Group 5.20.