Manual 26166V1 MicroNet Simplex & MicroNet Plus
Woodward 56
6.2—CPU P1020 Module
6.2.1—Module Description
The MicroNet CPU Module runs an 800 MHz dual core processor, 512 MB RAM, 768 MB of flash
memory, a Real Time clock, and various communication peripherals. These peripherals include (4)
general use Ethernet ports (2x 1000Mbps, 2x 100 Mbps), (2) Real Time Network ports, (1) one service
port, and (5) CAN ports.
The CPU_P1020 Module can operate in both simplex and redundant modes. Every MicroNet Plus
simplex control contains one CPU module located in the first I/O slot of the MicroNet chassis. A redundant
configuration will also have a CPU located in the CPU2 location (slot 8 or slot 14 depending on which
chassis is used).
This module was designed and rated for 0° to +55 °C operation in the industrial marketplace.
For CPU module installation and replacement instructions, see the instructions for installing and replacing
the VME module in Chapter 15, Installation and Service, and Section 9.4.3—Installation.
BEFORE REMOVAL
!
RESET
MODULE
Live insertion and removal of this module is allowed in a MicroNet
Plus chassis. This module should be reset immediately before
removing it from the chassis. This notifies the module that it will be
removed and provides a graceful failover to another healthy CPU
module if available.
The CPU module runs the GAP application program. Figure 6-2 is a block diagram of a CPU module.
When the power is applied, the CPU module will perform diagnostic tests, before running the application
program.
The CPU module contains a battery to power the real time clock when power to the control is off. This
battery is not user-replaceable.
Note: Recommended storage temperature of the CPU Module is 45°C to preserve clock battery life and
backup data retention.
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