H7ET-NV Omron, H7ET-NV Datasheet - Page 25
![TIME TOTALIZER LCD](/photos/6/44/64473/h7et-nv_sml.jpg)
H7ET-NV
Manufacturer Part Number
H7ET-NV
Description
TIME TOTALIZER LCD
Manufacturer
Omron
Series
H7ETr
Specifications of H7ET-NV
Operating Mode
Accumulative
Output Type
None
Voltage - Supply
None Required (Battery Included)
Termination Style
Screw Terminal
Display Type
LCD Non-Backlit
Input Type
Switch Closure or Transistor Switch
Number Of Digits/alpha
7
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Count Rate
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
H7ET-NV
H7ETNV
Z3004
H7ETNV
Z3004
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
H7ET-NV1
Manufacturer:
Omron Electronics Inc-IA Div
Quantity:
135
Input Connections
Input Connection Contact Input
When the H7EC-NP is used, relay chattering may be counted. Use
the H7EC-NLP, one of the low-speed input models.
Operation
■ Operating Modes
H7EC Total Counter
Incrementing Operation
(Up)
Counting display values
Relay
Count input
Reset
Or
Reset input
H7E@-N@P
(Full-scale
−1)
Count/Timer input
Full-scale
Or
Relay
H7ET Time Counter
Incrementing Operation
(Up)
Solid State Input
Use a transistor for input that satisfies the following conditions:
Use a diode (D) having a forward voltage as small as possible (0.1 V
max. at I
TTL or C-MOS IC Input
Open-collector Transistor Input
TTL or C-MOS IC
Timer display values
Collector breakdown voltage ≥ 50 V
Leakage current < 1 µA
Reset input
Internal clock
timer value
F
Timer input
of 20 µA).
Reset
H7E@-N@P
Reset input
Count/Timer input
H7E@-N@P
Count/Timer input
(Full-scale
−0.1
Full-scale
H7E@-N@P
TTL or C-MOS IC
25