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32 Operation principle and hardware description
Connection diagram of the RMIO board in the line-side
converter
Internal connections to the RMIO board for the ACS800 IGBT Supply Control
Program are shown below. Do not change the connections.
Terminal block size:
cables 0.3 to 3.3 mm
Tightening torque:
0.2 to 0.4 N·m (0.2 to 0.3 lbf·ft)
1)
non-programmable I/O
2)
External earth (ground) fault
indication via digital input DI4: See
parameter 30.04 EXT EARTH FAULT.
3)
External alarm/fault indication via
digital input DI5: See parameter
30.05 EXT EVENT.
2
(22 to 12 AWG)
X20
1
VREF-
Reference voltage -10 VDC,
1 kohm <
2
GND
X21
1
VREF+
Reference voltage 10 VDC,
1 kohm <
2
GND
3
AI1+
By default, not in use. 0(2)...10 V,
R
> 200 kohm
4
AI1-
in
5
AI2+
By default, not in use. 0(4)...20 mA
R
= 100 ohm
6
AI2-
in
7
AI3+
By default, not in use. 0(4)...20 mA
R
= 100 ohm
8
AI3-
in
9
AO1+
By default, not in use. 0(4)...20 mA,
R
< 700 ohm
10
AO1-
L
11
AO2+
By default, not in use. 0(4)...20 mA,
R
< 700 ohm
12
AO2-
L
X22
1
DI1
Ack of converter fan
2
DI2
By default not in use.
3
DI3
Ack from main contactor
4
DI4
By default not in use.
5
DI5
By default not in use.
6
DI6
By default not in use.
7
+24V
+24 VDC max. 100 mA
8
+24V
9
DGND
Digital ground
10
DGND
Digital ground
11
DI7(DIIL) Stop/Start
X23
1
+24V
Auxiliary voltage output or input,
non-isolated, 24 VDC 250 mA
2
GND
X25
1
RO11
2
RO12
3
RO13
X26
1
RO21
2
RO22
3
RO23
X27
1
RO31
2
RO32
3
RO33
+ 24 VDC
-
R
< 10 kohm
L
R
< 10 kohm
L
1)
1)
2)
3)
Relay output 1: By default
not in use.
Relay output 2: By default
not in use.
Relay output 3: Main
1)
contactor control
,
,
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