M7F

8

■ Block Diagram

Note: Circled numbers are the connector pin numbers.

Static Input Method

Dynamic Input Method

Signal

Input

Circuit

Positive Logic Input Method

Signal

Input

Circuit

Data signal input

Negative Logic Input Method

Strobe signal input

External

power

supply input

Power supply

output into

the PLC

Signal

input

A1 to D1

to

A2 to D2

to

A3 to D3

to

A4 to D4

to

Switching

regulator

LED display elements

Signal

input

External

power

supply input

Power supply

output into

the PLC

Switching

regulator

LED display

elements

Strobe

Signal Input

Signal input

・ON voltage

: 9.6 V to power

supply voltage

・OFF voltage

: 3 VDC max.

・Input impedance : Approx. 70 k

Signal input

・Short-circuit (ON) impedance

: 1 k

max.

・Short-circuit (ON) residual voltage

: 3 VDC max.

・Current flow for 0-

short-circuit

: Approx. 0.2 mA

・Open (OFF) impedance

: 100 k

min.

Signal input

・Short-circuit (ON) impedance

: 1 k

max.

・Short-circuit (ON) residual voltage

: 3 VDC max.

・Current flow for 0-

short-circuit

: Approx. 0.2 mA

・Open (OFF) impedance

: 100 k

min.

Signal input

・Short-circuit (ON) impedance

: 1 k

max.

・Short-circuit (ON) residual voltage

: 3 VDC max.

・Current flow for 0-

short-circuit

: Approx. 0.2 mA

・Open (OFF) impedance

: 100 k

min.