sauter Equitherm - Tab. 6: Modbus Data Points; Tab. 7: Switching Commands

EQJW145:
Heating controller
Communication
functions
72 7010015003 A
© Fr. Sauter AG
Number of
holding
register
Description Comment Read
only
Decimal
points
Units
With math.
Sign?
42000 to
42047
Switching command, 1
st
heating circuit
48 possible switching commands for the
1
st
heating circuit
no 0 no
42100 to
42147
Switching command, 2
nd
heating circuit
48 possible switching commands for the
2
nd
heating circuit
no 0 no
42200 to
42247
Switching commands
for drinking water
48 possible switching commands for
drinking water
no 0 no
42300 to
42347
Switching commands
for programmable relay
output
48 possible switching commands for pilot
timer, circulation pump etc.
no 0 no
42500 to
42519
Calendar switching
programme
20 possible switching commands for the
calendar switching programme
no 0 no
Tab. 6: Modbus data points
The holding registers are transmitted in 16 bit.
Read and write weekly programme of switching commands via Modbus
The holding registers from 42000 contain the switching commands for
heating circuit 1. The following allocation applies:
Command
1
Command
2
Command
3
Command
4
Command
5
Command
6
Mon
42000 42001 42002 42003 42004 42005
Tue
42006 42007 42008 42009 42010 42011
Wed
42012 42013 42014 42015 42016 42017
Thu
42018 42019 42020 42021 42022 42023
Fri
42024 42025 42026 42027 42028 42029
Sat
42030 42031 42032 42033 42034 42035
Sun
42036 42037 42038 42039 42040 42041
Whole
week
42042 42043 42044 42045 42046 42047
Tab. 7: Switching commands