Chapter 1
1–1
Publication 1336 IMPACT-6.2 – March 1998
Control Logic Wiring and Adapters
This chapter introduces you to terminal block locations and wiring
and adapter locations and functions.
This chapter illustrates and describes:
• L Option boards L4, L5, L6, L7E, L8E, and L9E including
terminal block TB3.
• TB3 L Option mode selections and functions
• TB3 terminal designations
Important: All printed circuit boards, except the Main Control
Board assembly, are referenced to negative ground
(–bus).
!
ATTENTION: Some printed circuit boards and drive
components may contain hazardous voltage levels.
Remove power before you disconnect or reconnect
wires and before you remove or replace fuses and
circuit boards. Verify bus voltage by measuring the
voltage between +DC and –DC on terminal block TB1.
Do not attempt to service the drive until the bus voltage
has discharged to zero volts.
!
ATTENTION: This assembly contains parts and
sub-assemblies that are sensitive to electrostatic
discharge. Static control precautions are required when
servicing this assembly. Component damage may result
if you ignore electrostatic discharge control procedures.
If you are not familiar with static control procedures,
reference Rockwell Automation Publication
8000-4.5.2, Guarding Against Electrostatic Discharge,
or any other applicable ESD protection handbook.
Chapter Objectives
Chapter Overview
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