FT-112(D) Panel Weighing Indicator, Technical Manual, Rev.1.0.0, May 2019
Page
118
of
170
13 O
PTIONAL
C
OMMUNICATION
Analogue Output
IMPORTANT NOTE:
The analogue output cable should be shielded. Connect the shield to the protective earth
as described in the installation section.
FT-112(D) Panel has analogue output which is programmable to 4
– 20 mA, 0 – 20 mA, 0 – 5 V or 0 – 10 V.
Analog output is automatically adjusted to the weighing range after the calibration. The mid value of the
analogue output is set to zero load at bipolar usage. The manual analogue output adjustment is available in
parameter group 19- .
The analogue output is related with the gross load of the scale. The analogue output signal operates as
described next.
Under Zero
When the gross indication drops below zero, the analogue output reduces
the analogue output to 0mA or - 4 V to indicate error on the analogue
output.
Normal Range
The analogue output will reflect the gross value to the programmed
analogue output 4
– 20 mA, 0 – 20 mA, 0 – 5 V or 0 – 10 V.
Over High Limit
When the gross value exceeds the high limit, the analogue signal increase
to approximately 24 mA or 11 V and remains there until the weight display
is no longer blanked or the analogue signal returns to within range.
The following table indicates the analogue output value if the gross indication is out of the range and if there is
any error indication on the display.
Condition (On Display)
4-20 mA
output
0-20 mA
output
0
– 5 V
output
0
– 10 V
output
The weight is more than the range (
)
24 mA
24 mA
5.5 V
11 V
The weight is under the zero range (
)
0 mA
0 mA
-4.0 V
-4.0 V
Error [ Err XX ]
24 mA
24 mA
5.5 V
11 V
ADC is out of operating range ( LC Err )
24 mA
24 mA
5.5 V
11 V
The error data indicated above can be used to follow the errors at PLC.
The connection diagram is described on Page 19.
