Jumpers; External Power Supply For The Jcu Control Unit (X1); Drive-To-Drive Link (X5) - ABB ACL30 User Manual



Jumpers

J1 – Determines whether Analogue input AI1 is used as a current or voltage input.
Current
7
AI1
AI2
8
J2 – Determines whether Analogue input AI2 is used as a current or voltage input.
Current
7
AI1
AI2
8
J3 – Drive-to-drive link termination. Must be set to the ON position when the drive is
the last unit on the link.
Termination ON
T


External power supply for the JCU Control Unit (X1)

External +24 V (minimum 1.6 A) power supply for the JCU Control Unit can be
connected to terminal block X1. Using an external supply is recommended if
• the application requires fast start after connecting the drive to the main supply
• fieldbus communication is required when the input power supply is disconnected.


Drive-to-drive link (X5)

This link is used for communication with embedded fieldbus.
Voltage
7
AI1
AI2
8
Voltage
7
AI1
AI2
8
Termination OFF
T
Electrical installation 71