6

Solid-state Timer

H3BA-N

Operation

■ Block Diagrams

■ I/O Functions

AC (DC) input

Power supply

circuit

Oscillation

circuit

Time range/

unit selectors

Counting

circuit

Operating

mode selector

Output circuit

Reset input, start input, and gate input

Input circuit

Indicator

circuit

Power-ON

indicator

Output-ON

indicator

H3BA-N

Instantaneous

output circuit

AC (DC) input

Power supply

circuit

Oscillation

circuit

Time range/

unit selectors

Counting

circuit

Output circuit

Output type

selector

Indicator

circuit

Power-ON

indicator

Output-ON

indicator

H3BA-N8H

Inputs

Start

Starts time-measurement.

Reset

Interrupts time-measurement and resets time-measurement value. No time-measurement is made and

control output is OFF while the reset input is ON.

Gate

Prohibits time-measurement.

Outputs

Control output

Outputs are turned ON according to designated output mode when preset value is reached.