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Building Technologies
Modular Heating Controller RMH760B
CE1P3133en
HVAC Products
13 Function block faults
05.02.2007
313
1B
12
LED lit
LED flashes
LED off
No fault,
acknowledged,
reset
LED flashes
LED lit
Aggregate or plant stopped
Fault
going
Faulty,
acknowledged
Faulty, not
acknowledged
Acknowledge
fault
Fault
going
Fault
coming
No fault,
acknowledged
No fault, not
acknowledged
Fault
coming
Acknowledge
fault
13.7 Predefined fault inputs
Function block “Boiler“ and the pump blocks provide predefined fault inputs.
For a description of these fault inputs, refer to the relevant function blocks. These fault
inputs are also parameterized at the relevant function blocks.
13.8 Fault
inputs
13.8.1 Universal fault inputs
The RMH760B has 4 universal fault inputs. These can be activated via “Extra configu-
ration”.
Either analog or digital inputs can be defined as fault inputs. If the input is not as-
signed to an input that has already been configured, the input identifier and thus the
type of input or the unit can be freely selected.
Main menu > Commissioning > Extra configuration > Faults > Input identifier
Operating line
Range
Factory setting
Fault input 1
°C / % / g/kg / kJ/kg /
W/m2 / m/s / bar /
mbar / Pa / ppm /
Universal 000.0 /
Universal 0000 / Digital
Digital
Fault input 2
Same as fault input 1
Digital
Fault input 3
Same as fault input 1
Digital
Fault input 4
Same as fault input 1
Digital
With a digital input, it is also possible to define the normal position:
Main menu > Commissioning > Settings > …
or
Main menu > Settings > Inputs > RMH760.X…
or
RMZ78…
Operating line
Range
Factory setting
Normal position
Open / Closed
Open
Following can be set for each fault status message:
Main menu > Commissioning > Settings > …
or
Main menu > Settings > Faults > Fault input 1
(or
2, 3
or
4
)