RIA452 Maintenance
Endress+Hauser 41
7Maintenance
No special maintenance work is required on the device.
8 Accessories
Version V X.XX.XX Version of the device software currently installed.
Func. alt. Time
Count
Setting for controlling pump rotation in alternating
pump control.
• Time = switching time of the relay
• Count = switching frequency of the relay
Lock time 99.9 Locking time of the relay, 0 to 99.9 s
Rel. Mode Off
On
Switching mode of the relays.
• Off = relays de-energize in the event of limit value
violation
• On = relays energize in the event of limit value
violation
Grad. Time 1..100 Time setting for gradient evaluation, 1 to 100 s
Namur No
Yes
Sensor evaluation to NAMUR (e.g. cable open circuit).
Only for 4 to 20 mA current signal.
Range 1 3.6 (0.0 to 22.0) Error limits for the input signal.
In the "NAMUR=Yes" operating mode, ranges 1 to 4 are
assigned the limits specified by Namur NE 43 and
cannot be changed.
In the "NAMUR=No" operating mode, the error limits
can be freely selected. Here, please note that the
following applies: Range 1 < Range 2 < Range 3 <
Range 4.
Violation of these limits can be evaluated with a relay
for example ("Alarm" and "Alarm inverse" operating
mode).
Range 2 3.8 (0.0 to 22.0)
Range 3 20.5 (0.0 to 22.0)
Range 4 21.0 (0.0 to 22.0)
Contrast 1 to 30 Setting for the display contrast.
•1 = low contrast
• 30 = high contrast
Name Order No.
ReadWin® 2000 PC configuration software and serial cable with jack
connector 3.5 mm for RS232 port.
RIA452A-VK
ReadWin
®
2000 PC configuration software and serial cable for USB port with
CDI connecter.
TXU10A-xx
IP65 Field housing. 51009957
Function
(menu
item)
Parameter setting Description
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