OVERVIEW
I-E96-424A
1 - 1
SECTION 1 - INTRODUCTION
OVERVIEW
The Digital I/O Termination Unit (NTDI01) is an interface for
INFI 90 Process Management System I/O signals. These sig-
nals are used to control and monitor processes. Termination
units provide the physical connection points for process field
wiring, and configure the system I/O signals.
This instruction explains the purpose, features and specifica-
tions of the Digital I/O Termination Unit (TDI). It also details
setup, installation, maintenance and replacement procedures.
Figure
illustrates an INFI 90 application using a TDI for
termination.
INTENDED USER
System engineers and technicians should read this manual
before installing and operating the TDI.
DO NOT
install the TDI
until you read and understand this instruction.
Figure 1-1. Termination Unit Application
CONTROLWAY
MFP
DSO
TDI
DIGITAL
OUTPUTS
OTHER MODULES
OTHER SLAVES
SLAVE EXPANDER BUS
T00641A