2-8
Brooks
®
Digital MFC's & MFM's
Section 2 Installation
Installation and Operation Manual
X-TMF-SLA5800-Series-RevB-MFC-eng
Part Number: 541B187AAG
January, 2017
The RS485 is a multidrop connection and allows a maximum of 32 devices
to be connected to a computer system. Personal computers are
not
equipped with RS485 ports as standard. An RS232 to RS485 converter or
RS485 interface board is therefore required to connect an RS485 to a
standard PC. Figure 2-4 is an interconnection diagram showing two TMFs
linked to a PC, via RS485 and RS485 to RS232 converter. The RS485 bus,
a daisy-chain network, meaning that the wires are connected at the units
as in Figure 2-4.
Figure 2-4 RS485 Multidrop Interconnection TMFs and PC