6.2
Connectina Terminals
6.2.1
Power circuit configuration and specifications
The configuration and specifications of the power circuit built in the FX-1GM PGU are
as
follows:
I
Power supply
1
25w
3A
For
output
I
-
'L
5v
5v
+
---*
Service
f
-
5v
-
+
Power supply
>N
COM6
For
I/O
-'I
I
IF
hGq
7-54
Common terminal
DCDC converter For input
1
FX-1GM
PGU
I
I
-
Power voltage:
85
to
264
VAC,
52/60
Hz
Programmable
I
Power consumption:
30
VA or less
controller base
,
Instantaneous power interruption time:
I
Operations continue under instantaneous power
Class
3
grounding
-
*
Service power supply:5 VDUO.1
A
isolated
type
interruptions
of
20
msec or less.
When using an FX-1 GM as a stand-alone unit, connect the
SG
terminal to the terminal for
Connect the
SG
terminals to each other on the main unit
of
the programmable controller,
grounding purposes.
extension units, and extension blocks.
r
Precautions during connection
AC
power supply
100
to
240
VAC (+lo%, -15%) may be used as the power supply. Remember that incorrect
Always switch the power to the programmable controller together with the PGU.
If
the power is interrupted for more than
20
msec, or if the voltage drops excessively, the
Use a wire greater than
2
mm2 for the power line to prevent excessive voltage drops.
connection of power lines
to
the input terminal of the PGU can damage the PGU.
PGU will stop and the outputs will be turned OFF at the same time.
lGrounding1
Connect the ground terminal of the PGU
to
that
of
the programmable controller, and execute
class-3 grounding (less than 10052) on the programmable controller side.
In this case, do not attempt
to
execute grounding commonly with any high-tension system.
(Where executing grounding is difficult, the unit may be used without any grounding.)
sion svstem.
Mitsubishi recommends not executing grounding commonly with the drive unit or any high-ten-
Service power supply
The power supply is intended for driving positioning control signals to/from the PGU
if
the
When an overload exceeding 0.1 A occurs, the voltage is automatically dropped, to prevent
drive unit does not incorporate a
5V
power supply.
damage
to
the unit.
-
a7
-
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