Cpu Subassembly Removal And Replacement; Figure 7.3 Cpu Board, Power Supply / Comm Board, I/O Board With Chassis - Toptech MultiLoad II EXL Installation Manual

CHAPTER 7– SERVICE AND REPAIR

CPU Subassembly Removal and Replacement

The CPU subassembly exists out of the CPU chassis with the power supply/communications board and
the CPU mounted. Optionally, an I/O board can be added to this subassembly. The CPU subassembly
is comprised of different Toptech Parts.
CHASSIS
Figure 7.3
Part Numbers:
Power Supply & Communication Board:
AC –Power Supply Board:
DC – Power Supply Board:
CPU Board:
I/O Boards:
Digital/Analog I/O Board:
2 Meter I/O Board:
69
MultiLoad II/ RCU II Explosion Proof Lite (EXL) Installation Guide - Part # 6070
I/O
BOARD
CPU Board, Power Supply / Comm Board, I/O Board with Chassis
4728
4729
4727
4718
4723
CPU POWER
BOARD SUPPLY/COMMUNICATIONS
BOARD