
Modbus Card Instruction Manual v1.1
©2011 Profire Energy Inc
Page 1
Description
The Modbus Card is an Expansion Card designed for use with PF2100 Burner Management Systems. It implements a Modbus Slave Device which allows settings
and measurements in the PF2100 to be read remotely by a PLC or other remote Master Device. A future firmware update will enable Master Devices to
remotely change settings in the PF2100. The protocol used is Modbus RTU and the physical implementation is half-duplex RS-485. The baud rate is user
selectable between 9600 and 19200 bps. Note that there are two different versions of the card:
Figure 1
Commentaires sur ces manuels