4 Transmitter
44
Shown on the
display
4
Can be used for
collective alarm
5
Additional
message end
6
Values less than
0 % RH
x x
% RH short-circuit
x
x
% RH sensor broken
x
x
T short-circuit
x
x
T sensor broken
x
x
Heat function
defective
x x
Perform the
Confirm message
function (acknowledgement of the
alarm via the control keys on the transmitter):
•
The message/alarm is no longer shown on the display and the
optical alarm goes out, where applicable. If multiple
messages/alarms are active at the same time, all are reset
simultaneously.
•
If at least one message is assigned to the collective alarm, the
collective alarm is reset.
Pos: 62 /TD/Produkt verwenden/MUF 63xx/Status-Warnmeldungen/Namur Fehlerbedingungen 6781 @ 6\mod_1268728620410_79.doc @ 60323 @ 3 @ 1
4.5.1.
Namur fault conditions
If the faults named in the following table occur, the analog outputs
output special values that enable a general fault warning in the
higher-level control system. The values correspond to the "Namur"
industry standard.
Status
message in
the display
Display
value in
display
Class Analog
output
0 to
20 mA
4 to 20
mA
1 V
5 V
10 V
Values < 0
%RH
uuuuu
Under-
range
0 mA
3.8 mA
0 V
0 V
0 V
Condensation ooooo
Over-
range
20.5 mA 20.5 mA 1.1 V 5.5 V 11 V
% RH short-
circuit
-----
Error
21 mA
21 mA
1.1 V 5.5 V 11 V
% RH sensor
broken
-----
Error
21 mA
21 mA
1.1 V 5.5 V 11 V
T short-circuit -----
Error
21 mA
21 mA
1.1 V 5.5 V 11 V