Associated with: Modbus Slave Channels and Modbus Slave Sources
The Source attribute is common to many Status displays. The attribute indicates the location at which the item resides. The information shown varies, depending on the item.
The Source attribute displays the value Undefined if the item’s configuration is incomplete, in so far as the device with which the item is associated has not yet been specified.
For Slave channels that are using Serial communications, information is displayed in this format:
<Port>:<Baud Rate>:<Data Bits><Parity><Stop Bits>
Example:
COM1:9600:8N1
(For a Slave channel communicating via port COM1, using a baud rate of 9600, with 8 data bits, no parity (N), and 1 stop bit.)
For Slave channels that are using TCP/IP communications, the source attribute displays TCP.
For a Modbus Slave Source, communicating on a channel that is using Serial communications, information is displayed in this format:
<Port>:<Baud Rate>:<Data Bits><Parity><Stop Bits>:Device <Device Address>
Example:
COM1:9600:8N1:Device 2
(For a source scanning a device that has an address of 2. The source communicates with the device using a channel on port COM1. The channel uses a baud rate of 9600, with 8 data bits, no parity (N), and 1 stop bit.)
For a Modbus Slave Source, communicating on a channel that is using TCP communications, information is displayed in this format:
TCP:Device <Device Address>
Example:
TCP:Device 3
(For a source scanning a device that has an address of 3.)