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Multi-maintenance Counter

H8BM

Nine Built-in Counters/Timers to
Measure Equipment Utilization

Up to nine Counters can be used as counters or
accumulative timers.

Can be used as a multi-stage preset counter.

Individual outputs to indicate maintenance timing.

Pre-forecast/Forecast and machine stoppage
output provided.

IP54F enclosure rating for resistance to oil and
water.

Compact, short-body: 72 x 72 x 79 mm (DIN).

Directly connectable to 2-wire DC sensors.

RC

Ordering Information

Number of stages

Output

Model

3-stage setting

NPN

H8BM-B

3 s age se

g

PNP

H8BM-BP

1-stage setting

NPN

H8BM-BD

s age se

g

PNP

H8BD-BDP

 Accessories (Order Separately)

Replacement Parts

Name

Model

Hard Protective Cover

Y92A-72C

Rubber Packing

Y92S-25

A Hard Protective Cover and Rubber Packing are supplied with the
Counter.

Short Bar

Short Bar

Y92S-26

When the Counter is used as a multi-stage preset counter, wiring
will be facilitated if Counter inputs 1 through 9 are short-circuited
with the following Short Bar.

5-pole

4-pole

Both the 5-pole and 4-pole Short Bars are used to short-circuit the 9
Counter inputs.

Summary of Contents for H8BM Series

Page 1: ...C sensors RC Ordering Information Number of stages Output Model 3 stage setting NPN H8BM B 3 s age se g PNP H8BM BP 1 stage setting NPN H8BM BD s age se g PNP H8BD BDP Accessories Order Separately Rep...

Page 2: ...Note 1 Each channel operates on an separate I O 2 Pre forecast Displayed only on LCD No external output is provided Forecast Displayed on LCD and LED and output Output for each Counter Machine stoppa...

Page 3: ...ck generator LCD reference voltage generator Key switch circuits Input circuits count 1 to 9 reset re monitor output number request I O inhibit Count circuits One chip microcomputer LCD Output circuit...

Page 4: ...TER No Key Selects the Counter in sequence each time this Selector is pressed Any Counter whose forecast value is set to 0 is skipped in the RUN mode The following indicators light to show that the co...

Page 5: ...e Indication Forecast Value Setting Mode Indication Pre forecast Value Setting Mode Indication Flashing Machine Stoppage Value Setting Mode Indication Flashing Note 1 The modes marked are not provided...

Page 6: ...is time the count value is only displayed and not recovered internally The Counter whose count value is displayed remains in the RUN mode 2 Press the COUNTER No Key or apply the Counter No select inpu...

Page 7: ...e of only the Counter whose count value is cur rently displayed is reset in RUN mode only 9 Clearing Settings The count values of all the Counters can be cleared by simultaneously holding down the RES...

Page 8: ...ime value Pre forecast indicator Forecast output and indicator Machine stoppage output and indicator Totalizing Counter Operation Reset input Count input 999999 0 Count value Forecast output indicator...

Page 9: ...en mounting it to en sure a proper working space Other components Terminal Arrangement 22 23 24 25 26 27 28 Reset input Count No selection Count input 1 Count input 2 Count input 3 Count input 4 Count...

Page 10: ...recast output 5 Forecast output 6 Forecast output 7 Forecast output 8 Forecast output 9 Machine stoppage output RUN output OUTPUT COM 24 V 0 V 24 VDC 10 15 5 V Power circuit Load Load Load Load Load L...

Page 11: ...d Load Load Load Load Load Load Load OUTPUT COM Note H8BM BD BDP outputs the forecast and machine stoppage values simultaneously OUTCOM 30 VDC Max Load All outputs Connect a diode to suppress Counter...

Page 12: ...1 High level transistor ON Min switching capacity 5 mA max Residual voltage 4 V max 2 Low level transistor OFF Leakage current 1 5 mA max 3 Power voltage range 20 4 to 30 VDC Use of the OMRON TL XD o...

Page 13: ...nner as well as strong acids or strong alkalies can damage the housing of the Counter Others To conduct a dielectric strength test between the electric circuits and non current carrying metal parts wi...

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