New H7ER
17
Specifications
■ General
Note: 1. Reset is not available.
2. When there is no input, the display will be 0.0 or 0.
3. Separately ordered Wire-wrap Terminals (Y92S-37) are required.
4. Only PNP/NPN Universal DC voltage input models have a backlight.
5. “rpm”, “rps”, “s
–1
” and “min
–1
” labels are included.
6. "s
-1
" in "1,000 s
-1
" means the same thing as RPS. "min
-1
" means the same thing as RPM.
■ Ratings
Note: 5-digit models :1 kHz/10 kHz switchable.
Item H7ER-NV-@
H7ER-NV-@H
H7ER-N-@ H7ER-NV1-@
H7ER-NV1-@H
Operating mode Up type
Mounting method Flush mounting
External connections Screw terminals, Wire-wrap Terminals (see note 3)
Display 7-segment LCD with or without backlight, zero suppression (character height: 8.6 mm) (see note 4)
Number of digits 45
Count input PNP/NPN universal DC
voltage input
No-voltage input PNP/NPN universal DC voltage input
Max. counting speed 1 kHz 10 kHz
Max. revolutions displayed
(see note 5, 6)
1,000 s
–1
(When encoder resolution of 1 pulse/rev is
used.)
1,000 min
–1
(When encoder resolution of 60 pulse/
rev is used.)
1,000.0 s
–1
(When encoder resolution of 10 pulse/rev
is used.)
1,000.0 min
–1
(When encoder resolution of
600 pulse/rev is used.)
←→ 10,000 min
–1
(When encoder resolution of
60 pulse/rev is used.)
(Switchable with switch)
Attachment Waterproof packing, Y92F-34 Flush Mounting Bracket, revolution unit labels (see note 5)
Approved standard UL863, CSA C22.2 No.14, Lloyds
Conforms to EN61010-1/IEC61010-1 (Pollution degree2/overvoltage category III)
Conforms to VDE0106/P100
Item H7ER-NV@-@
H7ER-NV@-@H
H7ER-N-@
Supply voltage Backlight model: 24 VDC (0.3 W max.) (for backlight
lit)
No-backlight model: Not required (powered by built-
in battery)
Not required (powered by built-in battery)
Count input High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC
(Input impedance: Approx. 4.7 kΩ)
No voltage input
Maximum short-circuit impedance: 10 kΩ max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 kΩ min.
Max. counting speed 4-digit models:1 kHz
5-digit models:10 kHz
1 kHz
Minimum signal width 10 kHz:0.05 ms
1 kHz: 0.5 ms (See note.)
Terminal screw tightening torque 0.98 N·m max.
Ambient temperature Operating: –10°C to 55°C (with no condensation or icing)
Storage: –25°C to 65°C (with no condensation or icing)
Ambient humidity Operating: 25% to 85%
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