Rockwell-automation 1771-DB BASIC MODULE Instrukcja Użytkownika Pobierz pdf (Strona 59)

100

101

Chapter

Installing and Replacing Components

3 -7

Use a chip insertion tool with memory modules that have no carrier.

SKT2

(PROMs without Carriers)

20373–M

Important: Make sure you line up the

index mark on the PROM with the index

mark on the socket.

Index Mark

Important: Make sure that none of

the pins on the PROM are bent and

that all the pins are aligned in the

socket correctly.

6. Reassemble the BASIC module. If you need further instructions to

complete this step, see page 3 -11.

7. Set jumper JW2 to configure the BASIC module for the circuitry of

your memory module. If you have an Allen-Bradley memory module

refer to the table on page 3 -5. If not, refer to the Memory Module

Configuration Jumper on page 1 -4.

8. Set jumper JW3 (CPU Speed Select Jumper, page 1 -5) to set the

speed of your BASIC module CPU. If you have an Allen-Bradley

memory module refer to the table on page 3 -5. If not set jumper

JW3 according to the speed of your memory module:

Memory speed JW3 setting

150 ns – 91 ns

Normal

90 ns or faster

Turbo

slower than 150 ns not allowed

9. Replace the BASIC module into the I/O chassis. If you need further

instructions to complete this step, see page 1 -12.

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