Omron H3CR-A User Manual

H5CR
H5CR
178
Operation
Block Diagram
Key switch circuits
Input circuits (Re-
set, control signal,
key protect, gate)
AC (DC) input
LCD drive
clock generator
RAM
Power circuits *
System clock
generator
ROM
Control
circuits
Battery
LCD reference
voltage generator
LCD driver
One-chip
microcom-
puter
Power outage
detector
Output circuits
(OUT)
Set
circuit
LCDs
* Power supply is not insulated from I/O.
DC input only for H5CR-S
I/O Functions
Inputs Start signal Stops timing in A-2 and A-3 (power on delay) modes. Starts timing in other modes.
Reset Resets present value. (to zero in UP modes, to preset in DOWN mode.
Count inputs are not accepted while reset input is ON.
Reset indicator lit while reset input is ON.
Gate Inhibits timer operation.
Key protect Makes keys inoperative according to key protect level.
Key protected indicator lit while key protect input is ON.
Effective when power supply is turned off.
Effective when protect terminals are shorted.
Outputs Control output (OUT) Outputs made according to designated output mode when corresponding preset is reached.

Omron H3CR-A Specifications

General

Time Range	0.05 seconds to 300 hours
Output Type	Relay
Mounting Type	DIN Rail
Operating Temperature	-10°C to 55°C
Contact Form	SPDT
Number of Pins	8
Contact Rating	5A at 250VAC
Storage Temperature	-25°C to 65°C
Type	Solid State Timer
Dimensions	48 mm x 48 mm
Operating Mode	ON-delay, OFF-delay, Interval, One-shot
Operating Voltage	24V DC, 100-240V AC