Watlow CAS200 Manual de usuario Pagina 93

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CAS200 User’s Guide Chapter 5: Troubleshooting and Reconfiguring
Watlow Anafaze 81
Figure 5.3 EPROM Location
7. Remove the existing EPROM from its socket with an
IC extraction tool or a jeweler’s flathead screwdriver.
Figure 5.4 Remove EPROM
8. Carefully insert the new EPROM into the EPROM
socket. Make sure that the chip is oriented so that its
notch fits in the corresponding corner of the socket.
9. Reverse steps 2 through 4 to reassemble the unit.
10. Power up the scanner.
11. Re-enter parameters.
Changing Communications
To switch between EIA/TIA-232 and EIA/TIA-485, change
the jumpers as shown in Figure 5.5.
Figure 5.5 Jumper Configurations
EPROM
SRAM
MP
Pin 1
Notch
EPROM Detail
U2
JU1
JU2
JU3
JU4
JU5
A
B
A
B
A
B
Configured for
EIA/TIA-232
Configured for
EIA/TIA-485
Last scanner in
system configured
for EIA/TIA-485
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