Siemens MICROMASTER 420 - Page 36

International English 3. COMMISSIONING
36 MICROMASTER 420 Operating Instructions
6SE6400-5AA00-0BP0
Block Diagram
5
6
7
–
+
24V
DIN1
DIN2
DIN3
8
9
External Power
Supply.
10
11
RL1
RL1B
RL1C
AOUT +
12
13
14
15
P+
N-
D/A
Serial
Link
(RS485)
AOUT -
+24V(100mA max)
0V(Isolated)
A/D
AIN +
AIN -
1
2
3
4
CPU
~
~
3
M
PE
1/3 AC 200V - 240V (RSD)
3 AC 380V - 480V
FS1
L, N (L1,L2)
or
L1, L2,L3
PE
Hz Min
-1
V A kWh
>5.0k W
+10V
0V
Optional - Operator Panel
Opto -
isolated
*1
PE
2
3
4
9
0V (Isolated)
DIN4
The Analogue input circuit can be alternatively
configured to provide an additional digital input (DIN4) as shown.
24V
l
O
Jog
Fn
P
–
+
Output Relay (RL1) Contacts
 250V AC, 2A (inductive load)
 30V DC, 5A (resistive load)
Analogue Output.
0-20mA
0V
Input Voltage:0-10V
(monitoring possible, P0756)
Input Current:0-20mA
(on 500
W external resistor)
Analogue Input Source
+
-
DC
Link
Figure 3-7 Inverter block diagram