In the program M6.2 Reset once to start again. ĪCS355 And 200Smart Communicating ,ACS355 Power on again after power failure, You need to put. Set panel parameters 3401 Medium 103 For the frequency displayed on the panel 、102 To display the speed Press ENTER Key and EXIT Key to switch the display frequency and speed Parameters 0101 Add one before 4, It becomes an address 40101, by modbus Read the current speed, Parameters 0101 Add one before 4, It becomes an address 40103, To read the current frequency.
#MODBUS RTU INTERFACE CODE#
If the program enables multiple MBUS_MSG One or more instructions MB_MSG2 Instructions, be CPU Will deal with the first MBUS_MSG Instructions or MB_MSG2 Instructions, All the follow-up MBUS_MSG or MB_MSG2 The instruction will abort and generate an error code 6 At a time MBUS_MSG or MB_MSG2 The command is active. EN The input must be connected to enable sending requests, And must remain on, Until the command is Done Bit return on. Send a request 、 Waiting for a response and processing a response usually require multiple PLC Scan time. ĮN Input and First When the input is connected at the same time ,MBUS_MSG/MB_MSG2 Instructions will be sent to Modbus The slave initiates the master request. Program call MBUS_MSG/MB_MSG2 Instructions, Startup pair Modbus Request from the slave station and process the response. MB_MSG2 For the second Modbus RTU master station.
MBUS_MSG For a single Modbus RTU master station. MBUS_MSG and MB_MSG2 Have the same function and parameters.