ABB ACS800-11, Hardware Manual

Page: 81 / 114

Operation
81
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.
X20
1
VREF- Reference voltage -10 VDC,
1 kohm <
R
L
< 10 kohm
2 GND
X21
1
VREF+ Reference voltage 10 VDC,
1 kohm <
R
L
< 10 kohm
2 GND
3 AI1+ By default, not in use. 0(2) ... 10 V,
R
in
> 200 kohm
4 AI1-
5 AI2+ By default, not in use. 0(4) ... 20 mA ,
R
in
= 100 ohm
6 AI2-
7 AI3+ By default, not in use. 0(4) ... 20 mA ,
R
in
= 100 ohm
8 AI3-
9 AO1+ By default, not in use. 0(4)...20 mA,
R
in
= 100 ohm
10 AO1-
11 AO2+ By default, not in use. 0(4)...20 mA,
R
in
= 100 ohm
12 AO2-
X22
1
DI1 Acknowledgement of converter fan
1)
2 DI2 Stop/Start
3 DI3 Acknowledgement from main contactor
1)
4 DI4 By default not in use.
5 DI5 By default not in use.
6 DI6 Reset
1)
7 +24V +24 VDC max. 100 mA
8 +24V
9 DGND Digital ground
10 DGND Digital ground
11 DI7(DIIL) By default not in use.
X23
1
+24V Auxiliary voltage output, non-isolated,
24 VDC 250 mA
2 GND
X25
1
RO11 Relay output 1: Charging contactor
control
1)
2 RO12
3 RO13
X26
1
RO21 Relay output 2: fault (-1)
2 RO22
3 RO23
X27
1
RO31 Relay output 3: Main contactor
control
1)
2 RO32
3 RO33
1)
non-programmable I/O
K1