ABB SAFT110 Digital input module

The connections for the individual axes, status LEDs and terminals for encoder supply and synchronization can be found behind the module door. 

➀ Status LEDs 

➁ Interface used to download the BOOT software module 

➂ 4-pin terminal block (encoder supply, connection for synchronization with other NC154 modules) 

➃ Encoder inputs for each axis 

➄ 12-pin terminal blocks to connect digital inputs and outputs for individual axes (e.g. limit switch, reference switch, etc.)

Encoder Connection 

An encoder connection is available for each of the three axes. Either an incremental or SSI absolute encoder can be used.On each axis of the NC154 module there is a 12-pin terminal block with connections for 5 digital inputs, 1 digital output and 1 analog output. The terminal blocks can be removed with the help of ejection levers (12-pin terminal block, model number 3TB162.9).

Interface Used to Download the BOOT Software Module 

The BOOT software module is required to update the NC154 operating system (operating system update). This module is already installed on NC154 modules starting from revision number 54.23. For NC154 modules with a revision number <54.23, the software module BOOT has to be installed in the module before the operating system update. A PC can be connected to the NC154 via this interface using a cable available from B&R (0G2001.00-090). The software module BOOT (NC154.S1) can be downloaded using this connection. The operating system is updated using the programming device via the CPU's online interface.

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