KSB CalioTherm Pro 25 Installation & Operating Manual page 56

Parameter description
Modbus baud rate
Modbus address
Modbus parity
6 Further information in the KSB ServiceTool supplementary operating manual (reference number 1157.801)
56 of 76
7 Operation
Register Length Type/format
[byte]
0B B8 00 02 UNIT16
0B B9 00 02 UINT16
0B BA 00 02 UINT16
Data points
Data points of type R are read-only; data points of type R/W are read enabled & write
enabled.
Table 29: Read and write data points
Function
Read
Write
All registers (07 D0 ... 07 DE) can be read out via function code 0×03 (Read holding
registers) as one unit.
Table 30: Error value key
Error value Description
Error value, bit code
E01 Temperature limit exceeded
E02 Overcurrent
E03 Internal error
E04 Pump rotor blocked
E05 Temperature increase, speed decrease
E06 Mains voltage too high / too low
6)
E07 Test alert
E08 Motor fault
E09 High fluid temperature
E11 Broken wire NTC / speed decrease
E12 Firmware update required
E13 Pump size not selected
E15 Minimum flow
E16 Maximum flow
I10 Broken wire at analog input
I14 Both pumps programmed as "left pump"
Error value 2, bit code
E17 Externally forced flow
I18 Externally forced flow in pumping direction
I19 Backflow through the pump
CalioTherm Pro
Unit
0 = 19,200 (factory setting)
2 = 4,800
3 = 9,600
4 = 19,200
5 = 38,400
6 = 57,600
7 = 115,200
0 - 247, default address 17
2 = PE: Parity Even (factory set-
ting)
1 = PO: Parity Odd
0 = P-: No Parity
Function code
Function code 03 (0×03 Read holding registers)
Function code 16 (0×10 Write multiple register)
Access
R/W
R/W
R/W
Bit
0
1
2
3
4
5
6
7
8
10
11
12
14
15
9
13
0
1
2