5/05 L551 series differences

stuman

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• Feb 24, 2008

• #1

Can anybody tell me, or point me to the right location, the differences between the following processors
1747-L551
1747-L551 A
1747-L551 B
1747-L551 C

PLC Center has them all, but the 1747-L551 is much cheaper? Why?

Thanks
Stuman

 

Mark Buskell

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• Feb 24, 2008

• #2

The 1747-L551 is the oldest and therefore the cheapest.
A, B & C (Revisions) represent various improvements is the processor.

I found this on the A-B web site.
1747-L551/C (16K) processors have 32 total connections (Series B provided 16)

 

Last edited: Feb 24, 2008

Ken Moore

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• Feb 24, 2008

• #3

Don't know the details, but you might be able to buy an older processor and then upgrade the firmware. You would have to check with AB to see what is compatible with what.

 

504bloke

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• Feb 24, 2008

• #4

Series C support 10/100 on Ethernet, i dont think Series B and before did.

 

stuman

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• Feb 24, 2008

• #5

Can the series be updraded via software/firmware, or are they more hardware related? How can you upgrade the firmware?

Series C support 10/100 on Ethernet, I dont think Series B and before did.

Click to expand...

Does this mean that it will run on normal 10 Mbps ethernet, eg a normal switch, but just at 10 Mbps?

Thanks
Stu

 

504bloke

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• Feb 24, 2008

• #6

Yes i believe so, it should also run on a 100M network/switch but only at 10M

 

Last edited: Feb 24, 2008

Mark Buskell

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• Feb 24, 2008

• #7

1747L551

1747L552

1747L553

Flash

ControlFLASH

1747-DU501

Firmware Kit



Requirements: Win95, 98 or NT PC, 486 processor min. w/ 16MB RAM. Method: If applicable, install new version of ControlFLASH on your PC with the floppy disks provided > Save your processor program to PC hard drive using RS 500 software > Note the Hardware Address of the PLC's Ethernet Daughtercard > Note the assigned IP address of the SLC > At this point the SLC can be optionally returned to initial factory conditions by removing power, removing the SLC from the chassis, disconnecting the battery & shorting the VBB & GNC connections > Start ControlFLASH > Verify J4 jumper on SLC set to Protect > Insert SLC in rack >Connect PC to SLC ENET port via hub or crossover cable > Apply power to rack > Verify SLC in PROG or REM PROG mode > Select SLC product catalog in ControlFLASH > Enter assigned IP address or available IP address for factory conditioned SLC > Enter the Hardware Address of the SLC Ethernet Daughterboard in the AB_SNMP-BOOTP Server window > BOOTP Server runs > Current revision info displayed > Select the appropriate firmware revision from the Firmware Revision window > Acknowledge the upgrade and start it > Module burns flash > On completion turn off power > Remove SLC from chassis > Move J4 jumper to Program > Re-insert SLC > Apply power > Flash burn continues > Remove power on prompt > Move J4 jumper to Protect > Re-insert SLC > Apply power > Wait for prompt for successful upgrade > Remove power > Remove SLC from chassis > Apply upgrade label > Re-insert SLC > Apply power > Restore program. See publication 1747-IN019B-EN-P for details.