| 摘要 |
PROBLEM TO BE SOLVED: To enhance the versatility of a display board for a field device on which a main board is mounted.SOLUTION: A display board for a field device on which a main board is mounted includes: a display driver that drives a display; a communication interface unit that communicates with the main board; a CPU; a memory in which database used in the display is stored; and an external memory interface unit for accessing an external memory in which the database is stored without going through the communication interface unit. |
