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4.4 Local adjustment unit with LCD display
1. Outline
When local adjustment unit with LCD display (parts number is *ZZPFCX4-A055) is installed in
the FCX-AII transmitter, some functions are available without using HHC (Hand Held Commu-
nicator).
Name of each part in local adjustment unit with LCD display and their functions are indicated
below:
Table 1. Functions of "Mode" setting switch
Damping setting switch
Mode setting switch
LCD display
LOCAL/COMM.
changing switch
Table 2. Functions of "Damping" setting switch
DP and Flow transmitter
(Model FKC)
Proportional to differential pressure
Proportional to differential pressure
Proportional to differential pressure
4 mA
fi
xed current
12 mA
fi
xed current
20 mA
fi
xed current
Proportional to
fl
ow
Proportional to
fl
ow
Position
of switch
0
1
2
3
4
5
6
7
Functions of external adjust-
ment screw
Zero Adjustment
Span Adjustment
Locking of function
Adjustment
fi
xed current
Adjustment
fi
xed current
Adjustment
fi
xed current
Span Adjustment
Locking of function
Gauge and Absolute pressure transmitter
(model: FKG/FKA)
Proportional to pressure
Proportional to pressure
Proportional to pressure
4 mA
fi
xed current
12 mA
fi
xed current
20 mA
fi
xed current
Proportional to pressure
Proportional to pressure
Table 3. LOCAL/COMM. changing switch
Position of switch
Adjustment methods
LOCAL
Adjustments of transmitter are carried out by MODE setting switch
and DAMPING switch.
COMM.
Adjustments of transmitter are carried out by FXW or UHI 275
Position of
Time constant
switch
(sec)
0
0
1
0,3
2
0,6
3
1,2
4
2,4
5
4,8
6
9,6
7
19,2
