INTRODUCTION
INNPM11 NETWORK PROCESSING MODULE
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WBPEEUI250016A1
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The NIS module has three card edge connectors for external
signals and power (P1, P2 and P3). Connector P1 connects to
the module power source. Connector P2 connects the NIS mod-
ule to the I/O expander bus to communicate with the NPM
module. Serial communication to other nodes is through con-
nector P3 using a cable connected to a termination unit or ter-
mination module. Communication between nodes is through
coaxial or twinaxial cables that connect the termination units
or modules on each node.
INNPM11 NETWORK PROCESSING MODULE
The NPM module acts as a translator between INFI-NET and
Controlway. The NPM module holds the process control unit
database and directs the communication process between the
modules residing on Controlway and the NIS module.
Figure 1-1. Redundant Process Control Unit Interfaces
IN F I-N E T L O O P
O IS
N IS
M F P
M F P
M F P
M F P
...U P T O 3 2 M O D U L E S ...
...U P T O 6 4 M O D U L E S ...
...U P T O 6 4 M O D U L E S ...
C O N T RO LW AY
I/O E X PA N D E R B U S
I/O E X PA N D E R B U S
M F P
M F P
N IS
N P M
N P M
P R O C E S S C O N T RO L U N IT
P C U
I/O
M O D U L E
I/O
M O D U L E
I/O
M O D U L E
I/O
M O D U L E
I/O
M O D U L E
I/O
M O D U L E
T 00 3 26 A
