MIQ/CR3; DIQ/CR3
Settings
4 - 17
ba64107e08
05/2006
4.5.2
System monitoring
Function
The
System monitoring
enables to monitor system errors.
In order to set up the
System monitoring
function for a relay output, the
relay output must not be linked with a sensor (see section 4.3).
It can be used to monitor the following system errors.
Settings
Collective error
message
In the case of a
Collective error
message, the relay opens if one of the
following malfunctions occurs:
!
One of the sensors properly registered at the controller does not
supply a valid main measured value
!
One of the sensors properly registered at the controller does not
supply a valid secondary measured value
!
The monitoring combi output module has not received any new data
from the controller for two minutes.
In any case, the relay remains open for 10 seconds and only closes
when the malfunction is no longer present.
In the following cases, the relay does not open despite an invalid
measured value:
Settings
Selection
Explanations
Power failure
On
Off
The
Power failure
On
function
monitors the supply voltage in
the IQ S
ENSOR
N
ET
on the combi
output module. If the voltage
falls below the critical value, the
relay switches.
Communication
On
Off
The
Communication
On
function
monitors the functioning of the
controller and the
communication to the combi
output module.
Collective error
message
On
Off
The
Collective error message
On
function simultaneously
monitors the proper functioning
of all sensors and the
functioning of the monitoring
combi output module. (for
details see below this table)
Action
Open
For all functions of the
System
monitoring
, the relay action is
set to
Open
.
Oxley Creek WWTP Water Reclamation (WTW - ba64107e08_xIQ_CR3) Vendor Manual
Doc Id: VM20
Owner: Howard Witten
Active Date: 15/12/2006
