Rockwell Automation 1785-L11B_L20B_L30B_L40B_L40L_L60B_L60L_L80B INSTL INSTR ENHANCED PLC-5 PC - Manual (Page 3)

Enhanced PLC-5 Programmable Controller Firmware Upgrade 3
Publication1785Ć5.13 April 1996
Observe the orientation of the pin 1 indicators before you remove each PROM. Replace each of the
indicated PROMS, checking to see that the pin 1 indicators are correctly oriented.
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Example (for PLCĆ5/40, Ć5/60, and Ć5/80 series A, B, and C processors)
Assemble the processor and check to see that it starts up properly. Reload your program and make certain that it
runs properly. If you have any questions, call AllenĆBradley Technical Support at (216) 646Ć6800.
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For this processor: Replace these PROMs:
PLCĆ5/11 and Ć5/20 series A and C
PLCĆ5/30 series A and C
PLCĆ5/40, Ć5/60, and Ć5/80 series A, B, and C U70 and U61
U5 and U31
U5, U16 or U13, and U31
U–31
U–5
U–16
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Skip this step if you do not have plug firmware. If you have communication plug PROMS, you may
have received catalog number 6690ĆDS2 PROMs with your upgrade kit. To update these PROMs, follow
the previous procedure to remove each plug and replace the PROM in socket U7.
U–7