H3DR-A/P/M
H3DR-A/P/M
74
Operation
Block Diagram
H3DR-A/-AS/-AP/-ASP
AC (DC) input
Power supply
circuit
Zero setting
detection
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
AC (DC) input
Power supply
circuit
Zero setting
detection
circuit
Oscillation
circuit
Time range/
unit selectors
Counting
circuit
Operating
mode selector
Output circuit
Start input
Input circuit
Indicator
circuit
Power-ON
indicator
Output-ON
indicator
H3DR-P/-PP
H3DR-M
AC (DC) input
Power supply
circuit
Oscillation
circuit
Counting
circuit
Output circuit
Indicator
circuit
Power-ON
indicator