h5cn-ycn Omron Corporation, h5cn-ycn Datasheet - Page 5

• Manufacturer Part Number: h5cn-ycn
• Description: Digital Timer
• Manufacturer: Omron Corporation

Connections
■ Block Diagram
H5CN-@@N (without Backup Power for Memory Protection)
Using an AC Power Supply (Contact Outputs)
Using a DC Power Supply (Solid-state Outputs)
Note: The following block diagram shows the differences for the equivalent section indicated by “a” in the above block diagram.
Constant-
voltage
circuit
Constant-
voltage
circuit
Rectifier
circuit
Power
supply
circuit
Initial clear
circuit
Quartz-
crystal
oscillator
Filter
Filter
Microcomputer-
type custom LSI
Thumbwheel
switch
Filter
Filter
Reset input
Reset input
Filter
Filter
Gate input
Timer circuit
Gate input
One-shot timer
circuit
Clock
7-segment
indicator
Output
circuit
UP display
Note: Terminals A and B are internally short-circuited.
Note: 1. If the reset input is short-circuited (be-
2. If the gate input is short-circuited (be-
tween terminals A and C), immediately
the count circuit is reset to 0 and the con-
trol output relay is reset to OFF. The tim-
er starts as soon as the reset input is
opened (between terminals A and C).
tween terminals A and D), the count cir-
cuit stops immediately. The timer then
restarts as soon as the gate input is
opened (between terminals A and D).
H5CN
5