ABB ACH550 User Manual page 16

14
• X2 terminal data are provided in "Basic Control Connections for Separate Drive
Run & Bypass Run Commands" on page 15.
• Basic connections are described in the following paragraphs.
• Alternate configurations using the E-Bypass macro are described in "The Bypass
Application Macro" on page 32.
• On Terminal Block X1 inside the ACH550, analog inputs and outputs and
additional digital input and relay output connections (AI1, AI2, AO1, AO2, DI3,
DI4, DI5, DI6 and RO2) are available for use. Refer to the ACH550-UH User's
Manual for information about control connections on Terminal Block X1.
Note! The E-Bypass control circuitry uses inputs and outputs DI1, DI2, RO1 and
RO3 (X2:7...X2:14). These inputs and outputs are not available for any other
purpose and must not be reconfigured.
Basic Connections
The figure below shows the basic control connections for use with the E-Bypass
macro. These connections are described in the following paragraphs.
In typical installations, only serial communications and analog input wires connect to
the ACH550 terminal block, with other control connections made on the E-Bypass
control board.
Installation
E-Bypass Configurations for ACH550 Drives