Riello 20138572, Installation, Technical Assistance Service And System Management Manual

Page: 107 / 112

107
SYSTEM MANAGER
MODBUS CONNECTION
Register
number
Access Description Note
Automatic
conversion
Value
range
510 X X
Minimum
value
that
can be
assigned
to the
heating
set-point
(Par. 23)
NV Yes
Depends
on °C/°F
units
511 X X
Night-time
attenuation
(Par. 28)
NV Yes
Depends
on °C/°F
units
In the "Note" column, the registers marked with "V" can be
written on an ongoing basis (and be used for dynamic size con-
trol). Registers marked with "NV", on the other hand, can be
overwritten only for a limited number of times (around 10,000
times with an average of twice a day).
Service reminder
Register
number
Access
Description Automatic
conversion
Value
range
L S
1500 X
Hours
elapsed
from the last
maintenance
activity
0…65534
hours
1501 X
Hours from
the next
maintenance
activity
.. 0…2000
STATUS table
Nr. Name Description
0 STANDBY Standby
10 ALARM Non-volatile lockout error
14 BLOCK Volatile lockout error
15 FROST_PROTECT Frost protection on
16 CH_DEMAND Heat demand
17 RESET_STATE Reset
18
STORAGE_DE-
MAND
DHW demand
19
DHW_TAP_DE-
MAND
Imm. DHW demand.
20 DHW_PRE_HEAT Pre-heating demand
21
STORE_HOLD_
WARM
Holding desired storage temperature
22
GENERAL_
PUMPING
General pump ON
STATE table
Nr. Name Description
0 RESET_0 Initialisation of reset variables
1 RESET_1 Reset
2 STANDBY_0 Standby
3 PRE_PURGE Initialisation of pre-purging variables
4 PRE_PURGE_1 Pre-purging
5 SAFETY_ON ON safety relay test
6 SAFETY_OFF OFF safety relay test
7 IGNIT_0 Initialisation of ignition variables
8 IGNIT_1 Start-up
9 BURN_0 The module is ON
10
SHUT_DOWN_
RELAY_TEST_0
Initialisation of variables to check
safety devices and gas valve
11
SHUT_DOWN_
RELAY_TEST_1
Safety and gas valve test relay
12 POST_PURGE_0 Initialisation of post-purging varia-
bles
13 POST_PURGE_1 Post-purging
14 PUMP_CH_0
Initialisation of heating pump varia-
bles
15 PUMP_CH_1 Heating pump
16 PUMP_HW_0 Initialisation of DHW pump variables
17 PUMP_HW_1 DHW pump
18 ALARM_1 Non-volatile lockout error
19 ERROR_CHECK Volatile lockout error
20 BURNER_BOOT Restart of board
21
CLEAR_E2PROM_
ERROR
Cancel error E2PROM
22
STORE_BLOCK_
ERROR
Save error
23 WAIT_A_SECOND Waiting before entering another state