M4RTU/M4 I/O User’s Guide
83
UPGRADING RAM
AND FLASH EEPROM
OVERVIEW
If the M4RTU/M4 I/O does not have a “1 MB RAM Installed” sticker, you can expand the M4RTU/M4 I/O RAM
from 256 KB to 1 MB. You can also expand the flash EEPROM from 256 KB to 1 MB. To do such an upgrade,
it is necessary to remove and disassemble the M4RTU/M4 I/O base unit to access the processor board where
the RAM and flash EEPROM chips are located. You can also use this process to upgrade the processor board
with flash chips containing new enhanced boot loaders supporting new primary host communication hardware
(e.g., fiber or Ethernet).
To disassemble the M4RTU/M4 I/O, follow these instructions:
1.
Turn off the power to the M4RTU/M4 I/O.
2.
Disconnect the incoming electrical power from the power supply.
3.
Remove the four screws located on the top cover of the unit. Take off the top cover. Disconnect the field
wiring plug connectors.
4.
Remove any communication port connectors and/or M4RTUXCAB cables.
* Do not change this jumper.
Figure E-1: Locations of Jumpers and Chips on the M4RTU/M4 I/O
APPENDIX E
Содержание Modular M4RTU
Страница 6: ...6 M4RTU M4 I O User s Guide TABLE OF CONTENTS...
Страница 14: ...14 M4RTU M4 I O User s Guide INTRODUCTION Figure 1 3 M4RTU M4 I O Communications Configurations...
Страница 32: ...32 M4RTU M4 I O User s Guide INSTALLATION AND SETUP Figure 3 3 Installing the Power Supply on the M4RTU M4 I O...
Страница 74: ...74 M4RTU M4 I O User s Guide FIELD WIRING...
Страница 80: ...80 M4RTU M4 I O User s Guide PRODUCT SPECIFICATIONS...
Страница 82: ...82 M4RTU M4 I O User s Guide ADDRESS JUMPER CONFIGURATION...
Страница 86: ...86 M4RTU M4 I O User s Guide UPGRADING RAM AND FLASH EEPROM...
Страница 89: ...M4RTU M4 I O User s Guide 89 WORKSHEETS Figure F 3 M4RTUX I O Extender I O Module Worksheet...
Страница 91: ...M4RTU M4 I O User s Guide 91 WORKSHEETS Figure F 5 Field Wiring Worksheet Example 2...
Страница 94: ...94 M4RTU M4 I O User s Guide WORKSHEETS...
Страница 96: ...96 M4RTU M4 I O User s Guide PRODUCT SUPPORT...