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
4
5
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 k
Ω
)
No voltage input
Maximum short-circuit impedance: 10 k
Ω
max.
Short-circuit residual voltage: 0.5 V max.
Minimum open impedance: 750 k
Ω
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%
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
Downloaded from
