Data Sheet for Product
Table Of Contents
10
Siemens
A6V12071353_en--_b
Smart Infrastructure
2021-12-15
– Use + or - to change the time up to 23 hours with a 0.5 h increment or decrement re-
spectively.
– Press (✓) to confirm the change. The device automatically exits delay Off timer
mode or press ( ) to return to previous step.
– Or press ( ) to exit delay Off timer mode without saving changes and to return to
Normal mode.
3. Cancellation of timer with delay Off mode
Cancel by setting the timer to 0 hour.
4. Viewing or editing of timer with delay Off mode
– Press and hold down for more than 3 seconds to view the remaining time.
– Use + or - to change the time and press (✓) to confirm the new value.
– The timer runs according to the new value.
Operating mode setting upon power failure
If the VRF HMI unit is disconnected from AC 230 V and reconnected, the unit returns to the
operating mode before powering failure if P27=0. If P27=1, the unit is in OFF mode. If
P27=2, the unit resumes Normal mode (ON).
Typical Modbus / VRF gateway configuration
The Modbus master function includes the following two:
● 1-to-1 Modbus/VRF gateway with Modbus master function (usually customized product
by gateway suppliers)