3. Description
DEPOLOX® 400 M
12
EN
Acknowledgment “none“
•
The alarm symbol and the message sym-
bol light up in the event of an alarm and
go out automatically when the condition
is eliminated.
•
Unlatched alarms are displayed in yellow
as messages.
•
The relay is active when the alarm symbol
is displayed and the alarm is active.
Fig. 2
Acknowledgment “none“
Acknowledgment “ACK with reset“
•
In the event of an alarm, the alarm sym-
bol and the message symbol flash and the
relay is active until acknowledged.
•
The alarm symbol and the message go out
even if the conditions still apply when the
alarm is acknowledged.
•
Latched alarms are displayed in red as
messages.
•
The relay becomes inactive after acknow-
ledgment if the condition is still pending.
Fig. 3
Acknowledgment “ACK with reset“
Acknowledgment “simple ACK“
•
The relay becomes active as soon as the
alarm is active.
•
In the event of an alarm, the alarm sym-
bol and the message symbol flash until
the alarm is acknowledged.
•
If the condition is no longer present when
the alarm is acknowledged, the alarm
symbol goes out and the message disap-
pears.
•
If the condition is still present when the
alarm is acknowledged, the alarm symbol
and the message are reset from flashing
to a permanent state. The alarm symbol
and the message light up until the condi-
tion is eliminated (auto-reset).
•
Latched alarms are displayed in red as
messages.
•
The relay is only deactivated when the
condition has been eliminated and ack-
nowledged.
Fig. 4
Acknowledgment “simple ACK“
3.6.6 Safety functions
The electronics module is equipped with vari-
ous integrated safety functions to ensure sys-
tem safety and minimize the risk of accidents.
The following safety functions are integrated:
•
safety deactivation if the sample water
flow is too low and/or if the dosing tank
signals that it is empty (depending on the
configuration of the digital inputs)
•
alarms freely configurable
•
external STOP for dosing (depending on
the configuration of the digital inputs)
•
password protection with three levels
•
Safety MAN. mode
stops dosing with sample water stop or
external stop
Alarm condition
Symbol without
Relay without
Symbol with
Relais with
delay time
delay time
delay time
delay time
Alarm condition
Symbol without
Relay without
Symbol with
Relay with
delay time
delay time
delay time
delay time
flashing
flashing
Alarm condition
Symbol without
Relay without
Symbol with
Relay with
delay time
delay time
delay time
delay time
flashing
flashing
