Issue:
How to control an Altistart48 (ATS48) Softstarter via Modbus RTU

Product Line:
ATS48

Environment:
Modbus RTU

Cause:
n/a
Resolution:
Below is the procedure to control ATS48 through Modbus RTU

Step 1: Stop Input Must be connected to +24VDC. (Stop Terminal must be connected to +24V  otherwise it will show your fault NST) in Command word move 6,7 & 15  for Starting the ATS48 Softstarter
Step 2: Set the Register address of ATS48 401 set to 6 in the Modscan or the PLC Software
Step 3: Set the Register address of ATS48 401 set to 7 in the Modscan or the PLC Software
Step 4: Set the Register address of ATS48 401 set to 15 in the Modscan or the PLC Software
Step 5: For Stop command Set the Register address of ATS48 401 set to 6 again in the Modscan or the PLC Software

With this you will be able to Start and Stop the Soft starter through Modbus

Released for: Schneider Electric Macedonia