5. Operation
104781 - MRF-2 | MRH-2 - V2.4 - 22.07.2020
Page 41
d30
Independence fault report relay
1 .. 3
3
If activated, the fault message function and its LED display remain OFF and / or standby.
0:
disabled. The relay switches off at OFF or standby.
1:
Independent of OFF (via button).
The relay only switches off during standby (via digital input).
2:
Independent of standby (via digital input).
The relay only switches off when OFF (via key)
3:
Independent of OFF and Standby.
d60
Automatic switchover
Fixed-value control / Difference temp. control
0 .. 1
0
(customer-specific version - not always present)
If enabled::
-
If only one sensor is connected:
The first control component [P11] is switched to fixed-value control.
The setpoint is [C1].
If the UP button is pressed “- - -“ appears in the display..
-
If a second sensor is connected:
The parameter setting for the first control component [P11] is retained (must be
set to 5..10, 17..22, 29..34). The setpoint is [C7].
When the controller is switched on,”dif“ appears in the display. If the UP button
is pressed the temperature of the second sensor is displayed..
In the working level, it is always the currently active setpoint [C1] or [C7] which is displayed
or changed using the SET button.
0:
disabled (no automatic switchover)
1:
enabled (automatic switchover)
NB: The controller recognises the change “Add“ or “ Remove“ for the second sensor only
after a mains disconnection!
d90
Enable sensor calibration in the working level
0 .. 1
0
Without function, if [d6 = 0]
0:
adjustment parameters are not displayed.
1:
adjustment parameter can be displayed and changed
d98
Password 1
000 .. FFF
000
A password can be defined here to block access to
- the configuration level
- the option level
- hardware configuration
The password must be repeated in [d99].
The block will be enabled only if both passwords match.
Entering '000' = no password.
d99
Password 2
001 .. FFF
FFF
The password from [d98] must be repeated here.
The block will be enabled only if both passwords match.
