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Overview of Momentum M1 Processor Adapters
870USE10110 July 2004 45
LED Indicators This processor adapter has three LED indicators, RUN LAN ACT(IVE), and LAN
ST(ATUS). Their functions are described in the table below:
Specifications The following table contains specifications for the 171 CCC 960 20 Momentum M1
processor adapter.
LED Indicator
Pattern
Status
Start up Both Single flash. Indicates good health.
RUN Green On continuously when the CPU has received power and is
solving logic.
Flashes an error pattern if the CPU is in kernel mode.
Off CPU is not powered up or is not solving logic.
LAN ACT Green May be on continuously or blinking. Indicates activity on
Ethernet port.
Off No activity on Ethernet port.
LAN ST Green On continuously during normal operation.
Fast blink indicates normal Ethernet initialization at power-up.
3 flashes indicates no 10BASE-T link pulse detected. Check
cable and hub.
4 flashes indicates duplicate IP address detected.
5 flashes indicates no IP address available.
Off No valid MAC address.
Memory
Internal Memory 544K bytes
User Memory 18K words
Flash RAM 512K bytes
Clock Speed 50 MHz
Input and Output References
Registers 26048
Discretes 8192 0x references
8192 1x references
I/O Servicing
Local I/O Services all the points on any host Momentum I/O base
Watchdog Timeout 335 ms
Logic Solve Time See Scan Time Formula for 984LL Exec
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