FT-111(D) Panel Weighing Indicator, Technical Manual, Rev.1.0.0, May 2019
Page
34
of
146
Analogue Connection
Analogue connections are done as indicated below in
Figure 4.31
- Voltage output connections
Figure 4.32
- Current output connections
.
Power Source Connection and Grounding
Connect DC power supply of FT-111 to a noise proof power line due to the very low measuring signal level.
The quality of the power line and DC power supply will determine the accuracy and the safety of your
measuring system. The instrument should not share power lines with noise-generating parts such as heavy
load switching relays, motor control equipment, inductive loads, etc. If the condition of the power supply in the
plant is poor, prepare a special power line and grounding. Before connecting the power source check its
voltage and be sure that it is the same with the voltage written on the weighing indicator.
Pin number
DC Power Supply
1
0
2
+24 VDC
PE Protective Earth
(Grounding)
PE cable to the screw under
the power supply terminal
Table 4-12
– Pin configuration of power supply connector.
Figure 4.33
– Power source connection and grounding.
Protective earth screw (for
grounding)
PE
0 +24V
