INSTALLATION
WIRING CONNECTIONS AND CABLING
3 - 6
I-E96-209A
®
NIDI01
High density, modular version of the NTDI01. Jumper select-
able for slave type.
NIDO01
High density, modular version of NTDO02. Interfaces field digi-
tal I/O to digital slaves, provides onboard power distribution
for outputs. Jumper selectable for slave type.
Slave Expander Bus Connection
When an LMM is used with slave modules, they make up a
master/slave subsystem within a Process Control Unit (PCU).
The slave expander bus, located on the MMU backplane, must
be connected to provide a communication path between an
LMM and its slaves connected to the bus. The modules must
be installed in adjacent slots to provide the connection
capability.
To connect the slave expander bus, insert a 12 strap dipshunt
(all straps intact) into the MMU backplane socket between each
slave, and the slaves and master module. The sockets on either
side of the LMM and slave module group should not have dip-
shunts; this separates the master/slave subsystems. For fur-
ther information on the MMU, refer to
Module Mounting Unit
Product Instruction, I-E93-910-4
.
WIRING CONNECTIONS AND CABLING
An LMM and slave modules have three card edge connectors
(P1, P2 and P3) to provide power, establish communication and
connect external signals. Cables connect the external signals
to the modules from termination units or modules.
Wiring
Installing any of these modules in the MMU connects P1 of the
module to logic power (+5 VDC) necessary to operate the logic
circuitry, P2 to the slave expander bus, and P3 to field inputs/
outputs. P1 also connects the LMM to the module bus for com-
munication with other modules. P1 and P2 connections require
no additional wiring or cabling.
WARNING
Disconnect power before installing dipshunts for slave mod-
ules on the MMU backplane (slave expander bus). Failure to do
so could result in severe or fatal shock.
AVERTISSEMENT
Couper l'alimentation avant d'installer les dipshunts sur la
plaque arriere du chassis de montage de modules (MMU).
Toute negligence a cet egard constitue un risque de choc pou-
vant entrainer des blessures graves, voire moretiles.
