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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-CII transmitter, some functions are available without HHC (Hand Held Communicator).
Name of each part in local adjustment unit with LCD display and their functions are indicated
below.
Table 1.Functions of Mode setting switch
Table 2.Functions of Damping setting switch
Table 3. LOCAL/COMM. Changing switch
Damping setting
switch
Mode setting
switch
LCD display
LOCAL/COMM.
changing switch
00
1 0,3
2 0,6
3 1,2
4 2,4
5 4,8
6 9,6
7 19,2
Positions of
switch
Time constant (sec.)
LOCAL
Adjustments of transmitter are carried
out by Mode setting switch and Damping
setting switch.
COMM.
Adjustments of transmitter are carried
out by HHC.
Positions of switch Adjustment methods
0 Zero adjustment Proportional to differential pressure Proportional to pressure
1 Span adjustment Proportional to differential pressure Proportional to pressure
2 Locking of function Proportional to differential pressure Proportional to pressure
3 Adj. fixed current 4mA fixed current 4mA fixed current
4 Adj. fixed current 12mA fixed current 12mA fixed current
5 Adj. fixed current 20mA fixed current 20mA fixed current
6 Span adjustment Proportional to flow Proportional to pressure
7 Locking of function Proportional to flow Proportional to pressure
Output
Functions of external
adjustment screw
Positions of
switch
Difference pressure & Flow transmitter
(Model:FKC)
Pressure and Absolute pressure
transmitter (Model:FKG,FKA)