
Advant
®
Smart Device (HART
®
) Interface User’s Guide
Chapter 2 Installation
2-6 3BUR 001 085R0001 REV A
MVI to RS-232/485 Converter to SHIM (RS-485) for an Advant Controller 410
This configuration is used to connect an MVI serial port to as many as 31 SHIMs in a multi-
drop fashion using an RS-232/485 converter. Each SHIM-8 can be connected to up to 8 HART
transmitters for a total of 248 possible HART transmitters (Figure 2-4).
Up to four RS-232/485 converters can be connected to the MVIs of the PM150.
The MVI is configured:
• 9600 baud, 8N1, half-duplex.
Figure 2-4. RS-232/485 Communications to a Smart Device in an AC410
PM150
Port 4/3
XMTR
XMTR
(RS-232)
1-8
MVI
CI532V02
SHIM
RS-485
SHIM
No.1
No.2
SHIM
No. 31
RS-232/485
converter
3BUC900041R0001
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