![]() ![]() Valid addresses depends on the manufacturer and configuration of the remote MODBUS unit. Use the on-screen keypad to choose a different address. This field shows the address on the remote MODBUS server. When the output has been set by a robot program or by specifying a signal value in the set signal value field, function code 0x06 (Write Single Register) is used to set the value on the remote MODBUS unit. This means that function code 0x03 (Read Holding Registers) is used. Before the value of the register has been set, the value of it is read from the remote MODBUS unit. The function code 0x04 (Read Input Registers) is used.Ī register output is a 16-bit quantity which can be set by the user. When the output has been set by a robot program or by pressing the set signal value button, the function code 0x05 (Write Single Coil) is used onwards.Ī register input is a 16-bit quantity read from the address specified in the address field. This means that function code 0x01 (Read Coils) is used. Before the value of this output has been set by the user, the value is read from the remote MODBUS unit. Function code 0x02 (Read Discrete Inputs) is used.Ī digital output (coil) is a one-bit quantity which can be set to either high or low. Available types are: Digital inputĪ digital input (coil) is a one-bit quantity which is read from the MODBUS unit on the coil specified in the address field of the signal. Use this drop down menu to choose the signal type. Push this button to delete a MODBUS signal from the corresponding MODBUS unit. Push this button to add a signal to the corresponding MODBUS unit. The signal indicator turns yellow if the actual signal frequency is less than half of the value selected from the Frequency drop-down list. Actual signal frequency can be observed in signal statistics (see section Advanced Options). The actual signal frequency may be lower than requested when multiple signals are defined in sequential mode. Turning this option on may help when there are multiple signals, and increasing request frequency results in signal disconnects. This mode is required by some fieldbus units. Selecting this checkbox forces the modbus client to wait for a response before sending the next request. ![]() Sequential modeĪvailable only when Show Advanced Options (see Show Advanced Options) is selected. Here the IP address of the MODBUS unit is shown. ![]() Push this button to delete the MODBUS unit and all signals on that unit. Push this button to add a new MODBUS unit. Refreshing disconnects all modbus units, and connects them back again. Push this button to refresh all MODBUS connections. Each signal has a unique name so it can be used in programs. Connections to MODBUS servers (or slaves) on specified IP addresses can be created with input/output signals (registers or digital). Here, the MODBUS client (master) signals can be set up. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |