Switch-On - Switch-Off - AERMEC BMS Manual De Instrucciones

Serial communication protocol
The Modu_control board makes the pos-
sibility to be interfaced to a centralised
system available through a relative se-
rial expansion board, based on the RS485
electric standard and using the standard
Modbus RTU protocol. The Modu_Control
MODBUS commands
The Modu_Control board manages the
Register values (whole/analogue) and
Packs (digital) towards the BMS/VMF su-
pervisor. The following commands can be
used for reading/writing:
LIST OF DIGITAL VARIABLES (COIL):
In order to have the possibility to write the COIL parameters on the Modu_Control board, the supervision commands
must be enabled, setting the parameter (N) = 1 of the installer menu (password=30)
Address R/W
0 W Stand-by/On command (toggle)
1 W Operating mode command (toggle)
2 W Enabling of Remote Thermostat
3 W Enabling of Remote Thermostat
4 W
5 R
6 R
7 R
8 R
9 R
10 R
11 R
12 R
13 R
14 R
16
EN
BMS - MODUCONTROL 12.03 6205750_00
board is always Slave of the communica-
tion. To enable the communication from
a supervision system to the moducontrol
board, several parameters must be set:
• Parameter J - Ad1 (Supervisor modbus
address);
DIGITAL COMMANDS AVAILABLE
Description
Alarms Reset Command
Compressor 1 state
Compressor 2 state
Boiler/Resistance State
DHW production state
DHW ID state
Remote ID ON_OFF state
Season ID state
Room thermostat ID state
Alarm Summary
Pre-alarm Summary
MODBUS codes used
cmd description
0x01 Read Coil Status
0x03 Read Holding Registers
0x05 Force Single Coil
0x06 Force Single Register
0x0F Force Multiple Coils
0x10 Force Multiple Registers
Read Coil Status
Force Single Coil
Force Multiple Coils
Name on AERWEB300

SWITCH-ON - SWITCH-OFF

SUMMER function setting - WINTER function
setting
Enabling DHW - Disabling DHW
Enabling of Remote Thermostat - Disabling
Remote Thermostat
Alarms RESET
CP
CPA
RCR/Boiler
DHW Production Setting
TWS
IA
C/F
TRA
Alarms Summary
Pre-alarms Summary
• Parameter L - Bd1 (Supervisor Baudrate);
Moreover, the following features must be
respected:
• Stop bits: 2;
• Parity: NONE;
If = 0
OFF
COOLING
Disabled
Disabled
---
OFF
OFF
OFF
Not active
ID closed
ID closed
ID closed
(cooling)
ID closed
No alarm
No
pre-alarm
If = 1
ON
HEATING
Enabled
Enabled
Alarms
reset
ON
ON
ON
Active
ID open
ID open
ID open
(heating)
ID open
Alarm
in progress
Pre-alarm
present in
the last 60
minutes