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PC Board-Use Counter
Miniature Counter for PC Board Usage
LSI with built-in digital filter ensures
excellent noise immunity
Machine insertable
Can be mounted on 28-pin IC socket
Totalizing counter, time counter and
tachometer available
Ordering Information
TOTALIZING COUNTERS
Operating mode
UP type
Display
LCD digital, 5.1 mm (0.2 in) high
Reset system
External (electrical) reset, power-OFF reset
Number of digits
7
Count input
No-voltage (solid-state) input
Max. counting speed
1 kcps
Mounting style
Mounts directly on PCB, or with 28-pin IC socket
Part number
H7EC-P
TIME COUNTER
Operating mode
UP type
Display
LCD digital, 5.1 mm (0.2 in) high
Reset system
External (electrical) reset, power-OFF reset
Number of digits
7 (0.0 to 999999.9 h)
Count input
No-voltage (contact, solid-state) input
Mounting style
Mounts directly on PCB, or with 28-pin IC socket
Part number
H7ET-P
DIGITAL TACHOMETERS
Operating mode
Display
Reset system
Number of digits
Count input
Max. counting speed
Applicable encoder resolution
Max. revolutions displayed
Mounting style
Part number
ACCESSORIES
Connecting socket
Description
28-pin (standard quality)
UP type
LCD digital, 5.1 mm (0.2 in) high
Automatic (No external or manual reset)
4
No-voltage (solid-state) input
1 kcps
1 pulse/rev
1,000 rps
Mounts directly on PCB, or with 28-pin IC socket
H7ER-P
Part number
XR2A-2801-N
No-voltage (contact, solid-state) input
30 cps
H7EC-LP
5
DC voltage input
10 kcps
60 pulses/rev
10,000 rpm
H7ER-VP
H7ER-V2P
H7E-P
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Summary of Contents for Omron H7E-P Series
- Page 1 PC Board-Use Counter H7E-P Miniature Counter for PC Board Usage LSI with built-in digital filter ensures excellent noise immunity Machine insertable Can be mounted on 28-pin IC socket Totalizing counter, time counter and tachometer available Ordering Information TOTALIZING COUNTERS Operating mode UP type Display LCD digital, 5.1 mm (0.2 in) high...
- Page 2 H7E-P H7E-P Specifications RATINGS Supply voltage 3 VDC Operating voltage range 90 to 110% of supply voltage Models H7EC- P and H7ER-P: 20 µA max. (at 3 VDC, 25°C/77°F) Current consumption P: 15 µA max. (at 3 VDC, 25°C/77°F) Model H7ET- Input* DC Voltage input: 4.5 to 30 VDC at "High"...
- Page 3 H7E-P H7E-P Dimensions Unit: mm (inch) 33.02 5.08 5.08 3.3 0.6 Eight straight PCB Detailed drawing terminals of straight PCB terminal 17.3 (0.68) 17.3 (0.68) max. max. t=0.3 Base Mounting footprint Eight 0.8-dia holes 2.54 Area occupied by counter 22.4 22.4 2.54 (0.88)
- Page 4 H7E-P H7E-P Connections H7EC-P, H7EC-PL, H7ET-P H7ER-P, H7ER-VP, H7ER-V2P Use a diode (Di) having a forward voltage as small as possible (0.1 V max. at I of 1 mA). Determine the ratio of R to R Power supply accordance with the forward voltage of the diode to be used. Be aware that when the supply voltage of power source E has All H7E - P models require a 3 VDC external power source.
- Page 5 H7E-P H7E-P SOLID-STATE INPUT OF OPEN-COLLECTOR TRANSISTOR By open-collector transistor By TTL or C-MOS IC Use a transistor for input that satisfies the following conditions: Collector breakdown voltage ≥ (Circuit voltage) x 1.2 Leakage current < 5 µA Amplification factor (hFE)≥ 50 Use diode (Di) having a forward voltage as small as possible of 20 µA).
- Page 6 NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches, divide by 25.4. Omron Europe B.V. EMA-ISD, tel:+31 23 5681390, fax:+31 23 5681397, http://www.eu.omron.com/ema Cat. No. GC CN4A 6/98/26M Specifications subject to change without notice.
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