269C282G2 GE Module cards in stock

Upgrading firmware § Upgrading the CPU firmware with the WinLoader utility may fail when multiple IO 

modules are in the main rack, due to the time it takes to power cycle the rack system. If 

the upgrade process fails, move the CPU to a rack without IO modules and restart the 

upgrade process.

§ Winloader initial connect baud rate is fixed at 19200 baud. Note that the firmware 

download will occur at 115.2K baud by default.

§ Note that if you have Hyperterm open on a port, and then try to use Winloader on the 

same port, Winloader will often say Waiting for Target until the hyperterm session is 

closed.

Hot swap Hot Swap of power supplies or CPUs is not supported.

Serial port configuration 

COMMREQs 

With the following combination of circumstances, it is possible to render serial 

communications with the CPU impossible:

§ User configuration disables the Run/Stop switch

§ User configures the power up mode to Run or Last

§ Logic is stored in FLASH and user configures CPU to load from FLASH on power-up

§ User application issues COMMREQs that set the protocol on both of the serial ports to 

something that does not permit communications to the Machine Edition programmer.

Incorrect COMMREQ status 

for invalid program name

The program name for PACSystems is always LDPROG1. When another program name is 

used in a COMM_REQ accessing %L memory, an Invalid Block Name (05D5) error is 

generated.

FANUC I/O Master and Slave 

operation

Scan sets on the master do not work properly for the first operation of the scan set after 

entering RUN mode. They do work properly for subsequent scans.

After downloading a new hardware configuration and logic, a power cycle may be required 

to resume FANUC I/O operation.

Use controllers of similar performance in FANUC I/O networks. If a master or slave is located 

in an RX3i system, the other controllers should be RX3i or Series 90-30 CPU374.

Repeated power up/down cycles of an expansion rack containing FANUC I/O slaves may 

result in failure of the slaves’ operation, with the RDY LED off.

Lost count at power up for 

Serial IO Processor

The serial IO Processor (IC693APU305) will lose the first count after every power up or every 

time the module receives a configuration.