TP Software User Manual
www.ismacontrolli.com
DMP253en | 1st Issue rev. 0 | 04/2022
page 25 of 49
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6 Fan Control
This feature allows a user to control ventilation devices through the following parameters
or in the iSMA Configurator:
FAN_MODE:
allows
to select a fan mode. There are up to 5 different fan modes, which
can be selected locally from the panel.
Register Value
Fan Mode
0
Off (default)
1
Manual, speed 1
2
Manual, speed 2
3
Manual, speed 3
4
Auto
Table 14. Fan modes
Modbus register: 41602;
BACnet object: MSV1, property: Present Value;
FAN_CURRENT_SPEED:
allows to set the fan operating speed and mode according to the
table below:
Register Value
Fan Mode
Description
0
Off (default)
Fan is off
1
Manual speed 1
Fan works in speed 1, manual mode
2
Manual speed 2
Fan works in speed 2, manual mode
3
Manual speed 3
Fan works in speed 3, manual mode
4
Auto speed 1
Fan works in speed 1, auto mode
5
Auto speed 2
Fan works in speed 2, auto mode
6
Auto speed 3
Fan works in speed 3, auto mode
Table 15. The FAN_CURRENT_SPEED register values
Modbus register: 41601;
BACnet object: MSV0, property: Present Value.
This value can be updated in two ways depending on the FAN_CONFIG_LOCAL_MODE
parameter:
FAN_CONFIGURATION, bit 6: FAN_CONFIG_LOCAL_MODE:
allows
to set the fan to work
either in the local mode or BMS mode:
Local Mode
: the panel's fan setting works in a local mode (the value of the
FAN_CURRENT_SPEED register is determined by the value of the FAN_MODE register and
