6 COI/TZIDC/TZIDC-200-EN |
TZIDC, TZIDC-200
2
Operation
2.1
Safety instructions
CAUTION
Risk of injury due to incorrect parameter values!
Incorrect parameter values can cause the valve to move
unexpectedly. This can lead to process failures and result in
injuries.
— Before recommissioning a positioner that was previously
in use at another location, always reset the device to its
factory settings.
— Never start Auto Adjust before restoring the factory
settings.
If there is a chance that safe op eration is no lo nger possible,
take the device out of operation and secure it against
unintended startup.
2.2
Parameterization of the device
The LCD display features operat ing buttons which enable the
device to be operated with the housing cover open.
2.2.1
Menu navigation
Fig. 1: LCD display with operating buttons
1
Value display with unit
2
Symbol display
3
Designator display
4
Operating buttons for menu navigation
Value display with unit
This 7-segment display with four digits indicates parameter
values or parameter reference numbers. For values, the
physical unit (°C, %, mA) is also displayed.
Designator display
This 14-segment display with eight digits indicates the
designators of the parameters with their status, of the
parameter groups, and of the operating modes.
Description of symbols
Symbol
Description
Operation or access is restricted.
Control loop is active.
The symbol is displayed when the positioner is in operating
mode 1.0 CTRL_ADP (adaptive control) or 1.1 CTRL_FIX
(
fi
xed control) at operating level. On the con
fi
guration level
there are test functions for which the controller will be active
as well. The control loop symbol will also be displayed when
these functions are active.
Manual adjustment.
The symbol is displayed when the positioner is in operating
mode 1.2 MANUAL (manual adjustment within the stroke
range) or 1.3 MAN_SENS (manual adjustment within the
measuring range) at operating level. At con
fi
guration level,
manual adjustment is active when setting the valve range
limits (parameter group 6 MIN_VR (min. of valve range) and
6 MAX_VR (max. of valve range)). The symbol will also be
displayed when these parameters are being set.
The con
fi
guration icon indicates that the positioner is at the
con
fi
guration level. The control operation is inactive.
The four operating buttons
ENTER
,
MODE
,
©
and
ª
are
pressed individually or in cer tain combinations according to
the function desired.
Operating button functions
Control button
Meaning
ENTER
— Acknowledge message
— Start an action
— Save in the non-volatile memory
MODE
— Choose operating mode (operating level)
— Select parameter group or parameter
(con
fi
guration level)
©
n
o
t
t
u
b
n
o
it
c
e
ri
d
P
U
ª
n
o
t
t
u
b
n
o
it
c
e
ri
d
N
W
O
D
Press and hold all four
buttons for 5 s
Reset
M10980
conf
mA
%
C
o
E
M
4
1
2
3
conf
