參數(shù)資料
型號： 1
英文描述： EINGANGSMODUL E/A ANALOG
中文描述： EINGANGSMODUL E / A值模擬
文件頁數(shù)： 16/76頁
文件大?。?/td> 9833K
代理商： 1
MELSEC FX0N/FX2N
Power Consumption
SYSTEM DESCRIPTION
The power consumption figures on the
5 V DC bus for the special function
modules are shown in the specifications
tables on the following pages.
The maximum permissible currents on
the 5 V DC bus are shown in the table
below.
The residual currents for the 24 V DC serv-
ice voltage at different input/output con-
figurations are shown in the tables
on the right.
Special function modules have to be sup-
plied external, if the residual current for
the service voltage is not satisfying.
A maximum of 256 I/Os are possible.
Module
Max. current on 5 V bus
FX2N-
M -ES(ESS)
290 mA
FX2N-
E -ES(ESS)
690 mA
Calculation of the Power Consumption
¨ FX0N FX2N
Module
No.
24 V DC calculation
5 V DC calculation
Current / module
Calculation
Current / module
Total current
FX2N-80MR-ES
1
460 mA
+460 mA
+290 mA
FX2N-4AD
3
50 mA
-150 mA
30 mA
-90 mA
FX2N-4DA
2
200 mA
-400 mA
30 mA
-60 mA
FX2N-232IF
1
80 mA
-80 mA
40 mA
-40 mA
-170 mA !!!
290 - 190 mA
Result:
100 mA (OK !)
The table below and on the right show
different examples for sample power
calculation for a PLC system.
The current values for the special function
modules can be found in the specifica-
tions on the following pages.
Comparison with the current value tables
show that the calculated figures for the
5 V bus lie within the allowable ranges.
In the example below all units can be
supplied sufficiently with the internal
24 V power supply.
Max. residual current values (in mA) for FX2N-16M -E
through FX2N-32M -E
,
FX2N-32E -E
for the permissible configuration
Max. residual current values (in mA) for FX2N-48M -E
through FX2N-128M -E
,
FX2N-48E -E
for the permissible configuration
Number of
additional
outputs
24
25
16
100
50
0
8
175
125
75
25
0
250
200
150
100
50
0
8
16
24
32
Number of additional inputs
Number of
additional
outputs
48
10
40
85
35
32
160
110
60
10
24
235
185
135
85
35
16
310
260
210
160
110
60
10
8
385
335
285
235
185
135
85
35
0
460
410
360
310
260
210
160
110
60
0
8
16
24
32
40
48
56
64
Number of additional inputs
Sample calculations
¨ FX0N FX2N
Module
No.
Number of I/Os
24 V DC calculation
5 V DC calculation
XY
X/Y
Total
Total current
Current / module
Total current
FX2N-48MR-ES/UL
124
24
—
X= 8
Y= 24
+185 mA
290 mA
+290 mA
FX2N-16EYR-ES/UL
1—
16
—
0 mA
FX2N-8EX-ES/UL
18
—
0 mA
FX2N-8EYR-ES/UL
1—
8
—
0 mA
FX0N-3A
1—
—
8
-90 mA
30 mA
-30 mA
+95 mA (OK!)
+260 mA (OK!)
FX2N-32ER-ES/UL
116
16
—
X= 16
Y= 0
+150 mA
690 mA
+690 mA
FX2N-16EX-ES/UL
116
—
0 mA
FX2N-4AD
1
—
8
30 mA
50 mA
-30 mA
FX2N-1HC
1—
—
8
0 mA
40 mA
-90 mA
Result:
64 + 64 + 24 = 152 ! (< 256) OK!
+120 mA (OK!)
+570 mA (OK!)
Total no. of I/Os which are connected to a base unit to caculate the max. residual current values (see tables)
see tables above (max. residual current values)
An external 24 V power supply has to
be added In the example above.
MITSUBISHI ELECTRIC
23
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