Omron H3CA Solid-state Timer User's Manual

Product Operation and Setup Instructions 1A983

Please read and save these instructions. Read carefully before attempting to assemble, install, operate, or maintain the product described. Protect yourself and others by observing all safety information. Failure to comply with instructions could result in personal injury and/or property damage! Retain instructions for future reference.

OMRON H3CA Solid-State Timer Description

OMRON multi-mode/multi-range solid-state timer is digital set 2. Do not connect input or contact terminals to voltages higher

with wide 0.1 sec to 9990 hour range in a compact, 1/16 DIN

than those indicated on timer.

plug-in unit. Easy-to-read LCD time remaining bar graph and output status indicators. Many control modes to match most

3. Protect the coil and load circuits

applications. Thumbwheel switch selects time unit, control with properly rated fuses. mode, and time limit setting. Wide supply range. Timer is UL

4. Do not install in damp or moist

Recognized and CSA Certified.

locations.

ENVIRONMENTAL

5. Any application of this timer

Operating Temperature ..... -14 to should be designed to prevent 131 degrees F bodily injury, or property

damage, in the event of product

Specifications

Humidity ............... 35 to 85% RH failure or normal wearout of this

product.

TIME DELAY Adjustment ........ 5-digit switches MECHANICAL GLOSSARY

Range .............. 0.1 sec to 9,990 Termination ............... 11 pin plug No Voltage or Dry Contact hours The inputs (Start, Reset, Gate,

Mounting .....Panel, track, surface and Check) on this timer are

Repeatability ... +/- 0.3%, +/- 0.05 considered a no voltage or dry seconds over specified GENERAL SAFETY contact thus requires no external timing range RECOMMENDATIONS voltage source to activate. Simply

connecting them to the common

Reset Time .......... 0.5 sec max. WARNING! terminal (Pin 3 or 15) via a switch,

relay contact, open collector

POWER Disconnect power when sensor, and etc., is all that is Operating Voltage - connecting or disconnecting the required to activate each input. 24 to 240 VAC or 24 to 240 VDC timer or its loads.

Gate Input (Pause)

Power Consumption ....... AC 3VA CAUTION! When the gate input is closed, or DC 3W timing is temporarily stopped.

Do not change the time unit or When the gate opens, timing

Frequency .................... 50/60 Hz time range while the timer is in resumes at the point of

operation. Otherwise, the timer interruption.

OUTPUT may malfunction or be damaged. Type .................... Relay S.P.D.T. Be sure to turn off the power Check Input

supply to the timer before When check input is used in ON-

Life .......... Mechanical - changing any of the selections. delay mode, the elapse time 10,000,000 operations measurement of the set time is not

1. This timer should be wired by performed - especially useful

Dielectric ....... 2,000 volts RMS at qualified personnel according to where ON-delay override is 50/60 Hz between current carrying the National Electrical Code desired. In Repeat Cycle mode, and non-current carrying parts (NEC) and local codes. the check input allows the timer to

be used like a binary flip-flop or alternating relay.