Epson/Seiko SRC-320 ABS, Руководство пользователя, Страница: 125 / 176

Maintenance 7. MPU Board
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DIP switches have been correctly set at the factory on the basis of your specifications.
Careless changes to these settings could cause system failure. Please be careful not to
change the setting of bits which are shown as “(Reserved for system).”
When replacing the MPU board, DIP switches of a new board have to be set the same
way as the current board. You can display the current settings of the DIP switches us-
ing the SPEL Editor or SPEL for Windows. Before replacement, it is better to display
and record the current settings just in case. See the SPEL Editor manual or SPEL for
Windows manual for information on how to display the settings. The shaded cells in
the tables above are standard factory settings.
②
Jumper pins
Jumper pins are used to set various hardware functions.
Notation Function Setting
XP1 to 4 (Reserved for system) (Differs by model)
XP5 Backup power supply Jump
XP6 Backup power supply for additional
RAM
Jump when there is additional
RAM
XP8 (Reserved for system) (Differs by model)
Jumper pins have been correctly set at the factory on the basis of your specification.
Careless changes to these settings could cause system failure. Be careful not to
change the setting of jumper pins which are shown as “(Reserved for system).”
When replacing the MPU board, jumper pins of a new board have to be set as same as
the current board.
③
LED
The functions of the LED on the MPU board are shown below.
Notation Name Color Functions
HL1 RES Red Comes on when the CPU is reset
HL2 HALT Red Comes on when the CPU is the halt state
HL3 WDT Red Comes on when the watchdog timer is operating
HL4 - Yellow Displays the status of CPU operations
HL5 - Yellow
Blinks at regular intervals when MPU is operating nor-
mally
You can change the functions of HL 6 ~ 9 as follows by resetting SD3-1.
(SD3-1 is set to the off position at the factory.)
Functions
Notation Name Color
Bit 1 of SD3 is Off Bit 1 of SD3 is On
HL6 X Green Comes on in low power mode Axis #1 servo end
HL7 Y Green Comes on when manipulator stops Axis #2 servo end
HL8 Z Green
Comes on when MCAL and
MCORG commands are executed
Axis #3 servo end
HL9 U Green
Comes on when a servo-related
error occurs
Axis #4 servo end