M7E

8

■ Block Diagram

Note: The terminal numbers of the Unit Display Unit are different from

the terminal numbers of the connector. Refer to Terminal

Arrangements and Functions on page 3 for details.

±Display Unit

Decimal/Hexadecimal Display Unit (Single

Color) (Dynamic output is available with the

Decimal Display Units only.)

Decimal Display Unit (Two Colors)

Note: The LE terminal is incorporated only on

dynamic output models.

Note: The R/G 2 terminal lights red when OFF

and green when ON.

Signal

Input

Circuit

Positive logic

Signal

Input

Circuit

Positive logic

Negative logic

Negative logic

Signal

Input

Circuit

Negative logic

Dynamic output

Dynamic output

Unit Display Unit

Note: Circled numbers are the board terminal numbers.

Power

supply input

V

0 V

Switching

regulator

Signal

inputs

Input

circuit/

driver

circuit

LED display

elements

(See

note.)

Power

supply input

V

0 V

Switching

regulator

Signal

inputs

Input

circuit/

driver

circuit

LED display

elements

Power

supply input

V

0 V

Switching

regulator

Signal

inputs

Input

circuit/

driver

circuit

LED display

elements

Signal

input

GND

24 to 47 k

Ω

3.9 k

Ω

Custom IC

Signal

input

GND

150 k

Ω

330 k

Ω

Signal

input

GND

3.9 to

8.2 k

Ω

3.9 k

Ω

+5 V

Custom IC

Signal

input

27 k

Ω

+5 V

680 k

Ω

GND

Signal

input

GND

27 k

Ω

680 k

Ω

Custom IC

+5 V

Signal

input

GND

7.5 to

8.2 k

Ω

3.9 k

Ω

+5 V

Signal

input

GND

27 k

Ω

680 k

Ω

Custom IC

+5 V

V

0 V

Switching

regulator

LED display elements

(GND)