Manual 26166V1 MicroNet Simplex & MicroNet Plus
Woodward 38
Figure 4-12. Simplex MicroNet 12-Slot I/O
4.4.2—Specification
The MicroNet is designed around a modular 6-slot chassis (block). Each block consists of a pre-molded
cage with a fan for cooling and a temperature switch for high temperature detection. The chassis are
cooled by forced air, and either a module or a module blank must be installed in every slot to maintain
correct air flow. The fans run whenever power is applied to the system.
The simplex twelve slot MicroNet control is composed of three blocks with a motherboard inserted in the
back of the assembly to make connections between the fans, switches, power supplies, and control
modules. See Figure 4-13. The modules use the VERSAmodule Eurocard (VME) bus standard for
connector specification and data transfer. Slot-to-slot logic and power connections are made through an
etched-circuit motherboard. I/O connections are made through cables from the front of the boards to
terminal blocks in the cabinet.
From a module connector standpoint, any I/O module can be installed in any of the slots designated for
I/O modules. However, when the application software is designed, each module will be assigned to a
specific slot and thereafter, the software will expect that specific I/O module to always be in its designated
slot.
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