14 ATR171 -
User manual
6
Display and keys functions
ATR171
FNC
PRGM
SET
C1
A1
C2
A2
TUN
A3
MAN
REM
RUN
C1
A1
C2
A2
TUN
A3
MAN
REM
RUN
1
3
4
7
2
6
5
9
8 10
16
13
14
12
15
11
6.1 Numeric indicators (Display)
1
1234
Normally displays the process. During the configuration phase, it
displays the parameter being inserted.
2
1234
Normally displays the setpoint. During the configuration phase, it
displays the parameter value being inserted.
6.2 Meaning of Status Lights (Led)
3
C1
On when command output is active. For open / close logic: on
during valve opening.
4
C2
For open/ close logic: on during valve closing.
5
A1
On when alarm 1 is active.
6
A2
On when alarm 2 is active.
7
A3
On when alarm 3 is active.
8
MAN
On when “Manual” function is active.
9
TUN
On when controller is executing an auto-tuning cycle.
10
REM
On when serial communication is in progress.
11
RUN
On when counting of Timer function is active.
Summary of Contents for ATR 171
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