FujiFilm PXG4, Operation Manuals

Page: 4 / 158

– 3 –
Cautions for Wiring Connections
•
For a thermocouple input use a prescribed compensating
lead wire. For a resistance thermometer bulb, use a lead
wire with material that has small resistance and no
resistance difference among three wires.
•
Keep input signal lines apart from the power and load
lines to avoid the influence of noise.
•
Keep the input and output signal lines separated and
shielded.
•
If there is excessive noise from the power supply, Fuji
Electric recommends adding an insulating transformer
and adding a noise filter.
(Example: ZMB22R5-11 Noise Filter manufactured by TDK)
Make sure that the noise filter is installed onto a part,
such as a panel, that is grounded. Keep the wire
connecting the noise filter output to the instrument power
terminal as short as possible. Do not install items such as
a fuse or power switch onto the noise filter output wiring.
Doing so will reduce the effect of the filter.
•
Connecting the instrument power wire with a braided power
cord is especially useful to reduce noise. (The shorter the
braiding pitch is, the more effective it will be against noise.)
•
For controller with an alarm against heater wire breaks,
do not connect the heater power and the instrument
power to the same power line.
•
The contact output requires warm-up time when the
power is turned on. Use a delay relay if the contact output
signal is used for circuits such as the external interlock
circuit. Use a supplemental relay, as the life of the output
relay is shortened if it is connected to a full capacity load.
Fuji Electric suggests an SSR/SSC drive output type if
the output operations occur frequently.
[Proportional Interval] relay output: 30 seconds or more,
SSR/SSC: 1 second or more
•
If inductive loads such as magnetic switches are
connected as a relay output load, Fuji Electric suggest
using our Z-Trap to protect the contacts from switching
surges and ensure a longer product life.
Model
: ENC241D-05A (For 100V voltage)
ENC471D-05A (For 200V voltage)
Mounting position : Connect it to the relay control output contact
Cautions for Key Operations/Error Operations
•
If the alarm function is not connected correctly, it will not
sound during controller error. Be sure to check that it is
operating correctly before running the controller.
•
When there is a break in input, "
UUU UUUUUUUUUUUUU
" or "
LLL LLLLLLLLLLLLL
" will
display on the screen. Be sure to turn the power off when
changing the sensors.
Other
•
Do not wipe the controller with organic solvents such as
alcohol or benzene. Use only a mild detergent to wipe the
machine.
12
11
10
9
8
7
36
35
34
33
32
31
6
5
4
3
2
1 25
26
27
28
29
30
13
16
17
18
14
15
7
8
10
11
12
9
1
2
4
5
6
3
Z-Trap connection
(Example)