ABB ACH550-VCR - Page 388

2-42 ACH550 E-Clipse Bypass User’s Manual
Bypass functions overview
SCR
AI1
AGND
4 +10V
AI2
AGND
7 AO1
8 AO2
9 AGND
Signal Cable Shield (screen)
Analog Input AI1
Analog Input Circuit Common
Reference Voltage 10 V DC
Analog Input AI2: FEEDBACK
Analog Input Circuit Common
Analog Output AO1
Analog Output
Analog Output Circuit Common
+24V
GND
DCOM
DI1
DI2
DI3
DI4
DI5
DI6
Auxiliary Voltage Output +24 V DC
Auxiliary Voltage Output Common
Digital Input Common for All
RO1C
RO1A
RO1B
RO2C
RO2A
RO2B
RO3C
RO3A
RO3B
ABB ACH550
AI1
AI2
ON
X1
Switch AI1 in the OFF position.
2
3
1
Switch AI2 in the ON position.
5
6
13
14
15
16
17
18
20
22
23
24
25
26
27
12
11
19
21
10
2
8
9
10
RO1C
12 RO1A
RO1B
RO2C
15 RO2A
RO2B
RO3C
18 RO3A
RO3B
ABB E-Clipse Bypass
X2
+24V
+24V
GND
DCOM
Auxiliary voltage output +24 V DC
Auxiliary voltage output +24 V DC
Digital input common for all
Auxiliary voltage common
(P 1608: START ENABLE 1: [4] DI4)
DI1
DI2
DI3
DI4
DI5
DI6
RO4C
21 RO4A
RO4B
RO5C
24 RO5A
RO5B
5
3
4
6
7
1
11
13
14
16
19
17
20
22
23
25
2
9
A
GN
D
30 SC
RScr
e
e
n
28 A-N
e
gat
i
ve
27
B
+Po
s
i
tive
2
6
S
CR Scre
e
n
(P 1410: R04 SELECT: [12] OVERRIDE)
(P 1413: RO5 SELECT: [32] OVRD2 ENAB)
(P 1701: OVERRIDE SEL: [5] DI5)
Recommended control wiring between ACH550 and E-Clipse Bypass to enable Advanced Override 2.
Required for E-Clipse parameter 1708 selections [2] VFD and [3] VFD/BYPASS.