Menu setting Effect
Timer The relay switches when requested by the timer.
Error The relay switches in the event of a fault message (red LED*).
Warning The relay switches in the event of a warning message (yellow LED*).
Warning + error The relay switches in the event of a warning message (yellow LED*) or
a fault message (red LED*).
Warning, error + stop The relay switches in the event of a warning message (yellow LED*),
when stopped by
[Start/Stop]
or in the event of a fault message (red
LED*).
Pump active The relay switches as soon as the pump is in standby and not stopped
and not in a status like
‘Pause’
or if an error is pending.
In the opposite case, the relay switches back again.
Stroke rate** The relay switches with every stroke.
Cycle quantity The relay always switches when the set metering volume is exceeded.
Metering / Batch The relay changes its status as soon as a batch has been processed.
Bleeding The relay opens an optionally installed bleed valve as soon as the con‐
trol activates it.
* see the "Troubleshooting" chapter
** only use
‘Relay 2’
for this relay type (semiconductor relay).
You can set in the associated menu for certain events whether
they are to be signalled as an error or warning (or not) (level,
metering stroke, cavitation, ...).
The relays can also switch with programmed errors - refer to the
"Troubleshooting" chapter.
You can set here how a relay is to switch.
Menu setting Effect
N/C The relay is closed in normal mode and
opens with a triggering event. (N/C)
N/O The relay is open in normal mode and
closes with a triggering event. (N/O)
11.2.8.3
‘Relay2 (optional)’
‘Menu / Information
è
Settings
è
Inputs/outputs
è
Relay2
è
...’
You can set the metering volume for which the pacing relay is to
switch once here.
For more information on
‘Relay2’
- see
Ä Chapter 11.2.8 ‘Inputs/
outputs’ on page 70
.
Relay polarity
Relay cycle quantity
Set up /
‘Menu’
72
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