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Changing communications, Changing communications 81 – Watlow CAS200 User Manual

Page 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