ABB OmniCore C90XT - Page 94

The controller is shipped with a default configuration that the automatic stop circuit
is opened and emergency stop circuit is bypassed (short-circuited). The controller
CANNOT work.
To enable the controller without any additional/external safety equipment, connect
the safety circuit as shown in the following figure.
0V_CH1_CH2
24V_CH1
ES1+
ES1-
0V_CH1_CH2
24V_CH2
ES2+
E
S2-
K2-X4 K2-X4
8
6
5
7
2
4
3
1
16
14
13
15
10
12
11
9
0V_CH1_CH2
24V_CH1
AS1+
AS1-
0V_CH1_CH2
24V_CH2
AS2+
AS2
-
xx1900000060
In most applications it is required to connect automatic/external emergency stop
switches. It is highly recommended to connect the stop switches as one of the
following figures for the best safety performance. When the 24 V power is provided
by customer instead of 24V_CH1/2, it shall be within the tolerance of 24 V -0%/+10%.
Customer provided power
0V_CH1_CH2
24V_CH1
AS1+ / ES1+
AS1
- /
ES1-
0V_CH1_CH2
24V_CH2
AS2+ / ES2+
AS2
- /
ES2-
0V_CH1_CH2
24V_CH1
AS1+ / ES1+
AS1-
/ ES1
-
0V_CH1_CH2
24V_CH2
AS2+ / ES2+
AS2-
/ ES2
-
0V_CH1_CH2
24V_CH1
AS1+ / ES1+
A
S1- /
ES1
-
0V_CH1_CH2
24V_CH2
AS2+ / ES2+
A
S2- / ES2-
0V_CH1_CH2
24V_CH1
AS1+ / ES1+
AS1-
/
ES1-
0V_CH1_CH2
24V_CH2
AS2+ / ES2+
A
S2- / ES2-
Customer_24V_CH1
Customer_24V_CH2
Customer_0V_CH1
Customer_0V_CH2
Customer_24V_CH1
Customer_24V_CH2
Customer_0V_CH1
Customer_0V_CH2
(A) (B)
(C)
(D)
Customer provided power
xx1900000600
Continues on next page
94 Product manual - OmniCore C90XT
3HAC073706-001 Revision: D
© Copyright 2020-2021 ABB. All rights reserved.
3 Installation and commissioning
3.5.9 Descriptions for connectors
Continued