DAB MCE-55/P Installations- Und Wartungsanleitungen Seite 106

Signal on terminal
Input not energised
Input energised
Input not energised
Input energised
Input not energised
Input energised
Input not energised
Input energised
Input energised
Table 23: System enable and fault reset
6.6.13.5 Setting low pressure detection
Activation of the low pressure detection function generate a system block after time T1 (see T1: Tempo di
spegnimento dopo il segnale bassa pressione par. 6.6.2). This function is envisaged to connect the input to
a signal from a pressure switch that indicates excessively low pressure on pump intake.
When this function is enabled, the symbol F4 is shown on the STATUS line of the main page.
When in the F4 error condition, the input must be deactivated for at least 2 seconds before the system
unblocks. The function behaviour is summarised in Table 24.
When several low pressure detection functions are configured at the same time on different inputs, the
system indicates F4 when at least one function is activated and clears the alarm when none are activated.
Signal on terminal
Input not energised
Input energised
Input not energised
Input energised
Table 24: Low pressure signal detection
6.6.14 Setup of outputs OUT1, OUT2
This section illustrates the functions and possible configurations of the outputs OUT1 and OUT2 via
parameters O1 and O2.
For electrical connections, see section 2.2.4.
The default settings are those in Table 25.
Default output settings
Output
OUT 1 2 (fault NO closes)
OUT 2 2 (Pump running NO closes)
Table 25: Default output settings
ENGLISH
Behaviour of system enable and fault reset function
Input
configuration
5 (NO) Normal
5 (NC) System disabled
6 (NO) System disabled
6 (NC) Normal
7 (NO) Normal
7 (NC) System disabled + reset of blocks
8 (NO) System disabled + reset of blocks
8 (NC) Normal
9 (NO) Reset of blocks
Behaviour of low pressure signal detection function
Input
configuration
10 (NO) Normal
System block due to low pressure
10 (NC)
on intake
System block due to low pressure
11 (NO)
on intake
11 (NC) Normal
Value
Operation
Operation
102
Item on display
None
F3
F3
None
None
F3
F3
None
None
Item on display
None
F4
F4
None