Longo Modbus Products LMP-1.MP2
4.3 Parameters
If parameter is set to logical “1”, is considered to be active, enabled or set. If parameter has
logical value “0” is considered to be inactive, disabled, or cleared.
Parameter can be status or command or both. When parameter is marked as status this means that
module is sending information to controller. On the other hand command represents request from
module to Modbus RTU Master equipment.
Communication
: Normal state is “1”. If off, there is communication error or no communication
established.
Normal/Economic
: When set Economic mode is enabled. Default value is “0” therefore normal mode
is selected.
Local/Remote
: When “0”, Local mode is selected. In this mode CP uses set point set by TB.
In remote mode, “1”, CP uses set point received from other devices (HMI, Touch Panel,
OT1, ...) through communication channel.
Heat valve
: When valve is opened “1” is reported, while “0” stands for closed valve
Cool valve
: When valve is opened “1” is reported, while “0” stands for closed valve
System On/Off
: If parameter is set to “0” CP functions are executing in normal mode. If set to “1”
all valves are OFF (closed).
Winter/Summer:
Used only for t
wo-pipe system
to change calculation for Hot valve;
Winter – heating (“0”) to Summer – cooling (“1”)
4/2 pipe
: Four-pipe system manages hot and cold water pipes simultaneously. Two-pipe system
manages only one pair of pipes (one valve, pump). Operation in two-pipe system is therefore
dependent on
Winter/Summer (Change-over)
parameter.
“0” = Four pipe system
“1” = Two pipe system
Balcony door En.
: When switch for detecting opened balcony door is connected to the system, this
function should be enabled (“1”).
Balcony door switch
: Parameter reports whether door are closed or opened
“1”: closed
“0”: opened
Window En.
: When switch for detecting opened window is connected to the system, this function
should be enabled (“1”).
Window switch
: Parameter reports whether window is closed or opened
“1”: closed
“0”: opened
Max. temp.
: denotes max. SP temp. which is scaled to top of LCD temperature bar
Min. temp.
: denotes min. SP temp. which is scaled to bottom of LCD temperature bar
P regulation par.
: Proportional parameter for PI calculation algorithm on CP
I regulation par.
: Integral parameter for PI calculation algorithm on CP
PI Dead band
: Value of change for PI loop output.
Temp. SP
: This value is taken into PI calculation algorithm
Room temp.:
Room temperature measured by CP panel.
Auxiliary room temp.
: Room temperature value from other sensor is taken into PI calculation as
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