Rockwell-automation 1771-DB BASIC MODULE Manual do Utilizador Página 28

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Chapter
Installing the BASIC Module
1
1 -4
Set Watchdog Timer Enable Jumper (JW1)
Use JW1 to enable the watchdog timer. Unless you are using assembly
language code that you programmed for your Series A module, you should
enable this jumper.
To:
Se
t j
u
mp
er
:
your selection:
enable the watchdog timer
factory
setting
disable the watchdog timer
Set Memory Module Configuration Jumper (JW2)
Use JW2 to configure your non-volatile memory. Jumper JW2 redirects
the BASIC module circuitry for the different memory modules. If you are
not using a memory module, this jumper is not applicable. The BASIC
module runs properly with the jumper in either position.
If you have this PROM :
Se
t j
u
mp
er
:
your selection:
8K EEPROM
32K EEPROM
8K EPROM
32K EPROM
Refer to Chapter 3 for more information on memory modules.
ATTENTION: Other jumper settings for JW2 are invalid and
may cause damage to the BASIC module.
Chapter
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