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Section 2 Installation
Installation and Operation Manual
X-TMF-SLA5800-MFC-eng
Part Number: 541B027AAG
®
Brooks
Digital MFC's & MFM's
April, 2013
Figure 2-5 RS-485 Multidrop Interconnection TMFs and PC
The RS-485 is a multidrop connection and allows a maximum of 32
devices to be connected to a computer system. IBM-ompatible PCs are not
equipped with RS-485 ports as standard. An RS-232 to RS-485 converter
or RS-485 interface board is therefore required to connect an RS-485 to a
standard PC. Figure 2-5 is an interconnection diagram showing two TMFs
linked to an IBM-compatible PC, via RS-485 and
RS-485 to RS-232
converter. The RS-485 bus, a daisy-chain network, meaning that the wires
are connected at the units as in Figure 2-5.
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