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1.5.1.
Display and keys
1
2
3
4
5
6
Figure 5 - Description of 1850 display and keys
1
2
15
3
4
14
13
12
11
5
10
9
6
7
7
8
8
9
10 Displays percentage of power or current, configurable with parameter
11 Display of percentage of process variable and of setpoint
12 F
13 SV display: parameter values. Configurable with parameter dS.SP
14 PV display = Process variable
15 Display of inputs/outputs state (only with 8 INS/OUTS and/or 8 relays).
80209C_MHW_850-1650-1850_20-2020_ENG_pag. 19
Unit of measurement or number of program running or number of
loop displayed.
State of outputs OUT1, OU2, OUT3, OUT4.
Displays program number, step number, unit of measurement
(%, A, kW, kWh).
Controller function states:
RUN = functioning (flashing = normal functioning, steady
on = program running);
_/- = setpoint ramp active;
TUN = PID parameters tuning active;
MAN = manual/automatic (off=automatic control, on = manual control);
REM = remote setpoint enabled;
SP1/2 = setpoint active (off = setpoint 1, on = setpoint 2).
Work mode key (manual/automatic) in standard mode. A function
can be assigned via parameter but1. The key is active only when
the display shows the process variable.
Key function configurable with parameters but2 and but3. The keys
are active only when the display shows the process variable (HOME).
Up/down keys: raise/lower the value of the parameter displayed on
the SV or PV display.
F key: lets you navigate among controller menus and parameters.
Confirms the parameter value and selects the next parameter.
Key pressed signals.
bAr3.
display:
parameters,
Configurable with parameter dS.F (default = % control power).
(default = setpoint).
diagnostics
and
alarm
messages.
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