Table of Contents
Advertisement
Self-Powered Time Counter
Subminiature Time Counters With
Enhanced Appearance and Features
Large display with 8.6 mm (0.338 in) height
H
Available with backlit LCD
H
PNP/NPN DC voltage input available
H
Seven digits, time range 0 to 3999d23.9h
H
Key-protect switch to prevent front resetting
H
Selectable time range: 999999.9h or
H
3999d23.9h and 999h59m59s or
9999h59.9m
NEMA 4/IP66 front
H
Replaceable battery
H
New black case
H
Ordering Information
J TIME COUNTERS
Count input
p
PNP/NPN universal DC
voltage input
g
p
AC/DC multi-voltage input
No-voltage input
J MODEL NUMBER LEGEND
H7ET - N
-
1 2
3
1. Count Input
None: No-voltage input
V:
FV:
AC/DC multi-voltage input
2. Time Range
None: 999999.9h/3999d23.9h
1:
999h59m59s/9999h59.9m
J ACCESSORIES (ORDER SEPARATELY)
Item
Replacement battery
Wire-wrap terminal (set of two terminals)
Panel-mounting adapter
g
p
R
Time range
Display
p y
999999.9h or 3999d23.9h (selectable)
7-segment LCD
H7Et-NV-BH
with backlight
7-segment LCD
H7ET-NV-B
7-segment LCD
H7ET-NFV-B
7-segment LCD
H7ET-N-B
4
26 mm × 45 mm
24.8 mm × 48.8 mm
999h59m59s or 9999h59.9m (selectable)
H7ET-NV1-BH
H7ET-NV1-B
H7ET-NFV1-B
H7ET-N1-B
3. Case Color
B:
Black
4. Display
None: 7-segment LCD without backlight
H:
7-segment LCD with backlight
Part number
Y92S-36
Y92S-37
Y92F-75
Y92F-77B
1
H7ET
Advertisement
Table of Contents
Related Manuals for Omron H7ET Series
Summary of Contents for Omron H7ET Series
- Page 1 Self-Powered Time Counter H7ET Subminiature Time Counters With Enhanced Appearance and Features Large display with 8.6 mm (0.338 in) height Available with backlit LCD PNP/NPN DC voltage input available Seven digits, time range 0 to 3999d23.9h Key-protect switch to prevent front resetting Selectable time range: 999999.9h or 3999d23.9h and 999h59m59s or 9999h59.9m...
- Page 2 H7ET H7ET Specifications J GENERAL Item H7ET-NV-B H7ET-NFV-B H7ET-N-B H7ET-NV1-B H7ET-NFV1-B H7ET-N1-B H7ET-NV-BH H7ET-NV1-BH Operating mode UP type Mounting method Panel mounting External connections Screw terminals, optional wire-wrap terminals (See Note 3.) Reset External/Manual reset Display 7-segment LCD with or without backlight (character height: 8.6 mm) (See Note 1.) Number of digits Time range 0.0h to 999999.9h or 0.0h to 3999d23.9h (switchable...
- Page 3 H7ET H7ET J CHARACTERISTICS Item H7ET-NVj-j H7ET-NFVj-j H7ET-Nj-j H7ET-NVj-Hj Time accuracy ±100 ppm (25°C) Insulation resistance 100 MΩ min. (at 500 VDC) 100 MΩ min. (at 500 VDC) 100 MΩ min. (at 500 VDC) between current-carrying metal between current-carrying metal between current-carrying metal parts and exposed parts and exposed...
- Page 4 H7ET H7ET Nomenclature J TIME COUNTER Front view Reset Key Reset the count value. Not operable under key-protect. Key-protect Switch Time-range switch If the switch setting is changed, press the Reset Setting Key-protect Key on the front panel. (see note) Front panel Time range Setting...
- Page 5 H7ET H7ET Dimensions Unit: mm (inch) J H7ET-N 44.8 (1.76) Panel Cutout Separate mounting 60 min. (0.94) (0.87) 60 min. 48.5 (1.89) (1.91) +0.5 +0.5 22.2 Joint mounting Dimensions with Panel-Mounting Bracket (48 ¢Units - 2.5) +0.5 22.2 44.8 Waterproofing is not possible for joint mounting •...
- Page 6 H7ET H7ET Connections J PNP/NPN UNIVERSAL DC VOLTAGE INPUT MODEL WITH BACKLIGHT 1. Contact Input (Input by a Relay or Switch Contact) 2. Solid-state Input Open collector of a Open collector of a Relay Relay PNP transistor PNP transistor Backlight Backlight 24 VDC 24 VDC...
- Page 7 Open collector of a reliability because the current flowing from PNP transistor PNP transistor terminals 1 or 3 is as small as approx. 10 µA. OMRON’s G3TA-IA/ID is recommended as the Reset Input SSR. 2. Solid-state Input (Open Collector Input of an NPN Transistor)
- Page 8 H7ET H7ET Accessories (Order Separately) An H7ET is supplied with a mounting bracket and nut. In addition, the panel-mounting adapters shown here allow the H7ET to be fitted to existing panel cutouts. J Y92F-75 PANEL-MOUNTING ADAPTER FOR 26 ¢ 45 RECTANGULAR CUTOUT Must be used with mounting bracket supplied with the Counter Panel cutout Two 3.5 dia.
- Page 9 H7ET H7ET J Y92S-36 REPLACEMENT (LITHIUM) BATTERY (3 V) 24.5 dia. Precautions WARNING J BEFORE USE This product has a built-in lithium battery. Do not short-circuit the + and - - terminals, charge, disassemble, deform, or expose An insulation sheet has been inserted to maintain the quality of the battery to fire.
- Page 10 When connecting count input from an SSR to the Counter that The input for the H7Ej-NFV-j is a high-impedance circuit so operates with AC/DC voltage input, use OMRON’s G3TA-IA or influence from an induced voltage may result in malfunction. G3TA-ID SSR. Otherwise, make sure that the leakage current of When the input signal wiring is longer than 10 m (stray the SSR is 0.1 mA maximum or connect a bleeder resistor in...
- Page 11 H7ET H7ET J UNIT LABEL FOR TIME COUNTER AND J EN/IEC STANDARDS TACHOMETER The counter input, reset input, and backlight power supply terminals of the no-voltage input or PNP/NPN universal DC A unit label has been packed with the Counter. Use in voltage input models (H7Ej-N,-N1, H7Ej-NV(-H),-NV1(-H)) are accordance with the application.
- Page 12 NOTE: DIMENSIONS SHOWN ARE IN MILLIMETERS. To convert millimeters to inches divide by 25.4. OMRON ON- -LINE OMRON ELECTRONICS LLC OMRON CANADA, INC. One East Commerce Drive 885 Milner Avenue Global - - http://www.omron.com Schaumburg, IL 60173 Scarborough, Ontario M1B 5V8 USA - - http://www.omron.com/oei 1-800-55-OMRON 416-286-6465 Canada - - http://www.omron.com/oci...