User manual

InZennio Z41

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 Setpoint type: it may be absolute (default), relative (1-bit object) or

relative (float object).

If the first is selected, the control object will be a 2-byte floating point object

and its value will correspond to the actual setpoint value to be sent to the

thermostat, being progressively higher or lower as the user touches the

control buttons. On the other hand, the permitted setpoint temperatures

will be delimited by a maximum value and a minimum value, defined by

the so-named parameters.

Figure 49 Absolute setpoint control

If the second option is selected (1-bit object setpoint control), the control

object will be binary, and it will throw a “0” to the bus whenever the user

asks for a setpoint decrement, and a “1” when the user asks for an

increment. How much it is incremented or decreased after every order is

defined through the offset parameter (which accepts values between 1

and 255 tenths of a degree), thus permitting a consistent self-update of the

label in the box after every user press, although the status object will also

admit the reception of feedback from the bus, i.e., the updated absolute

setpoint value sent from the external thermostat.

Figure 50 Relative (1 bit) setpoint control

Finally, when “Relative (float object)” is selected, the control will send 2-

byte floating point values. However, these values will correspond to the

particular increment or decrement (or offset) to be applied each time. This

offset refers to a base temperature and will always be a multiple of 0.5ºC.

As the user touches the increase/decrease buttons in the box, this offset

will vary, always within a certain range defined through the Minimum

offset and Maximum offset parameters.