Integrating Controllers, RS-485 Serial Interface and Computer
RS-485 Network
RS-485 Serial Interface
®
Device used to establish the
connection Full Gauge Controls’
instruments with the Sitrad
.
or
RS232
Power supply
USB
11
5
230
Vac
w
w
w.sitrad.com
M
B
A
M
B
A
M
B
A
MOD 64
A
B
OUT
1
OUT 2
OUT 3
www.fullgauge.com
P
C
T
-4
0
0
R
p
lu
s
OUT 4
ALMR
PUMP
AUX
1
AUX 2
www.fullgauge.com
M
IC
R
O
S
O
L
II
p
lu
s
Instrument
A
B
A
B
A
A
B
B
A
B
A
A
B
B
A
B
A
A
B
B
A
B
A
A
B
B
A B
A B
RS-485 Network
terminal grounded
External
mesh
Distribution Box
Used to connect more than one instrument to the Interface. The wire's
connections must be made in agreement with the following rules: terminal of
the instrument connects to the terminal
of the distribution box, that must be
connected with the terminal
of the Interface. Repeat the action for terminals
and
, being
the cable shield.
the instruments do not have terminal
.
A
A
A
B
P.S.:
®
IMPORTANT
1:
2:
3:
According to the chapters from the IEC60364 standard:
Install
on power supply
Sensor cables and computer signals can be together, however not at the same place where power
supply and load wires pass for
Install suppresor of transient in parallel to loads to increase the usefull life of the relays
protectors against over voltage
For more information contact our application eng. department through e-mail
or dial +55 51 3475.3308.
support@ fullgauge.com
Wiring diagram of suppresors in contactors
Suppresor
A1
A2
A1 e A2 are the
contactor coils.
Wiring diagram of suppresor for direct drive
Load
Suppresor
For direct activation the maximum
specified current should be taken
into consideration.
PROTECTIVE VINYL:
This adhesive vinyl (included inside the packing) protects the instruments against
water drippings, as in commercial refrigerators, for example.
Do the application after finishing the electrical connections.
Remove the protective paper
and apply the vinyl on the entire
superior part of the device,
folding the flaps as indicated by
the arrows.
