ABB ACQ800 Series, Руководство по оборудованию

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80 ACQ800-37 Hardware Manual
Motor control and I/O board (RMIO)
External control connections (US)
External control cable connections to the RMIO board for the ACQ800 Pump Control
Program (PFC TRAD) are shown below. For external control connections of other
application macros and programs, see the appropriate
Firmware Manual .
230 V AC
A1 A2
3
230 V AC
A1 A2
3
230 V AC
PT
Hz
X20
1
VREF Reference voltage -10 VDC
2 GND 1 kohm < R
L
< 10 kohm
X21
1
VREF Reference voltage 10 VDC
1 kohm <
R
L
< 10 kohm
2 GND
3 AI1+ External reference 2 (process reference to PI
controller). 0(2) … 10 V,
R
in
> 200 kohm
4 AI1-
5 AI2+ Actual value 1 (process actual value to PI
controller). 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+ Frequency. 0(4) … 20 mA
0 … motor nom. speed,
R
L
< 700 ohm
10 AO1-
11 AO2+ Actual 1 (PI controller actual value).
0(4) … 20 mA
12 AO2-
X22
1
DI1 By default, not in use.
2 DI2 Interlock: motor 1 off/on
3 DI3 Interlock: motor 2 off/on
4 DI4 By default, not in use.
5 DI5 By default, not in use.
6 DI6 Stop/Start
7 +24 V +24 VDC, max. 100 mA
8 +24 V
9 DGND1 Digital ground
10 DGND2 Digital ground
11 DI IL Start interlock (0 = stop)
X23
1
+24 V Auxiliary voltage output, non-isolated,
24 VDC, 250 mA
2 GND
X25
1
RO11 Relay output 1
M1 START
2 RO12
3 RO13
X26
1
RO21 Relay output 2
M2 START
2 RO22
3 RO23
X27
1
RO31 Relay output 3
FAULT
2 RO32
3 RO33
=
=
See Firmware Manual for
sensor connection instructions.
Terminal block size:
cables 0.3 to 3.3 mm
2
(22 to 12 AWG)
Tightening torque:
0.2 to 0.4 Nm (0.2 to 0.3 lb-ft)