
m_a_s001
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Hello people! I need some help to do the follow in sinamics G120 via modbus: Read a Digital Input: I read parameter 40240 with a V350 (239 in unilogic) but always is in 0 Write a Digital Output: I write parameter 40220 with a V350 (219 in unilogic) but always is in 0 Read Analog input: I read parameter 40260 with a V350 (259 in unilogic) but always is in 0 The communication is ok because I can command the motor with parameter 40100 (writting 47F and 47E) and change the speed in parameter 40101. Thanks!! Best Regards Mario
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Hi!, First of all, thanks for your time!. I respond your questions: 1) Is it speed and 8E1 (simens default) settings commisioned corectly in V350 com settings? The comunication it´s ok because I can write and read diffents parameters (I set 8 bits, Even and 1 stop bit) 2) Is it G120 setpoint channel sw. = Modbus, Control channel = Modbus? I can´t find the control channel parameter. 3) Is it G120 correctly commisioned and all self autotune done and all autotune settings written to the drive . Drive do not allow to net control before autotune done (default).
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Hello everybody! Please I need some help! I´m trying to command a G120 with a V350 via modbus (over Rs485 - two wires). The communication its ok, but I can´t change to Run status the inverter. The Starter display the following: My program is the following First: I write 0x47E in the parameter 40100 Seond: I write the Main Set point in the parameter 40101 Third: I write the command 0x47F in the parameter 40100 if someone can send me an example or give me some help, I will be very grateful!! Thanks a lot!! Mario
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Hello!, my name is Mario and I ask if someone can please help me with my problem. I try to control a Sinamics G120 with a V350 via modbus RTU, but I can´t do it! The connection of between the PLC and the V350 is: V350 (jumper set "RS485" - Jumper TERM: off) Port 1 - Pins: 1 and 6 Sinamics G120 X128: terminals 2 and 3 Configuration of the project: Sinamics G120 (Starter): V350 (Visilogic) I tried to change some parameters of the communication, but the problem never disappear (status message=5). If somebody can give me some