Honeywell CNI2 - Summary of Serial Data Connection Scenarios; CNI2 with Single RS-232 Connection to External Instrument; CNI2 with Multiplexer Board to Support Two Serial Data Links; CNI2 with Conversion Board to Interface to RS-485 Capable Instrument

CNI2
O
perating and Installation
Guide
28
Summary of Serial Data Connection Scenarios
The simple block diagrams bel
ow provide an overview of serial data connection possibilities for
the CNI2. For the sake of convenience, end devices are shown here as being
a
‘Mini
-
Max’
corrector
and
a
‘Pressure Transducer’. The Mini
-
Max has an RS
-
232 port and the Pressure
Transducer
has
an RS
-
485 port.
CNI2 with single RS
-
232 co
nnection to external instrument
CNI2 with multiplexer board t
o support two serial data links
CNI2 with conversion board to interfa
ce to RS
-
485 capable instrument