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STARTUP / TROUBLESHOOTING
5-2
Hardware and Installation User Manual
Be sure that all I/O interface cables are properly connected to I/O
interface connectors.
All the configured bases are properly connected, there are no crimps
or breaks in the cable, and base addresses are correct.
The cable to the programming unit (where applicable) is secure.
PLC battery polarity is correct.
3.
Initialize PLC.
For TI535 models —
If you have not already done so, disable the PLC battery by turning
off switch 1 on DIP 2. Make certain that a programmed
EPROM/EEPROM is not installed.
Turn on power to the PLC.
With the battery disabled and no programmed EPROM/EEPROM
installed, the TI535 clears memory and enters PROGRAM mode.
Enable the battery by turning on DIP 2, switch 1. The Battery Good
LED should light. The TI535 is now initialized.
For TI525 models —
Turn on power to the PLC. The TI525 is initialized during
power-up.
4.
If you intend to use an EPROM/EEPROM, install the
EPROM/EEPROM according to the instructions given in Chapter 4.
5.
Connect the programming device to the RS-232-C/RS-423 port of the
PLC. Place the PLC in PROGRAM mode. If you have installed a
pre-programmed EPROM/EEPROM, go to step 8.
NOTE
The PLC should be in PROGRAM mode at this
point, not in RUN mode. Instructions that you enter
in the RLL program are executed immediately if the
PLC is in RUN mode.
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