C-90
Multifunction Preset Counter
H7CX
■
Ratings (contd.)
Note: 1.
Permissible ripple: 20% (p-p) max.
2.
Only when the following modes are selected.
- Input mode: command, individual, or quadrature; output mode: K-2, D, L, or H
- Dual count calculating mode: SUB; output mode: K-2, D, L, or H in dual counter operation
Item H7CX-A4W@ H7CX-AW@ H7CX-AU@
Classification
Preset counter Preset counter/tachometer
Supported configurations
1-stage counter, 2-stage counter, 1-stage
counter with total counter, 1-stage counter
with batch counter, dual counter (addition
only) (selectable)
1-stage counter, 2-stage counter, 1-stage counter with total counter, 1-stage counter with batch
counter, dual counter (addition/subtraction), tachometer (selectable)
Rated supply voltage (See note 1.)
100 to 240 VAC (50/60 Hz),
12 to 24 VDC
100 to 240 VAC (50/60 Hz),
24 VAC (50/60 Hz)/12 to 24 VDC,
12 to 24 VDC
100 to 240 VAC (50/60 Hz),
24 VAC (50/60 Hz)/12 to 24 VDC
Operating voltage range
85% to 110% of rated supply voltage (90% to 110% at 12 VDC)
Power consumption
Approx. 9.2 VA at 264 VAC
Approx. 7.2 VA at 26.4 VAC
Approx. 3.7 W at 12 VDC
Mounting method
Flush mounting
External connections
Screw terminals
Terminal screw tightening torque
0.5 N·m max.
Display
7-segment, negative transmissive LCD
PV
11.5-mm-high characters, red or green
(programmable)
9-mm-high characters, red or green (programmable)
SV
6-mm-high characters, green
Digits
4 digits (
−
999 to 9,999)
SV range: 0 to 9,999
6 digits (
−
99,999 to 999,999 or 0 to 999,999 when using as Tachometer)
SV range:
−
99,999 to 999,999 (See note 2.) or 0 to 999,999
Input signals
CP1, CP2, reset 1, and reset 2
Input method
No-voltage input/voltage input (switchable)
No-voltage input
ON impedance: 1 k
Ω
max. (Leakage current: 5 to 20 mA at 0
Ω
)
ON residual voltage: 3 V max.
OFF impedance: 100 k
Ω
min.
Voltage input
High (logic) level: 4.5 to 30 VDC
Low (logic) level: 0 to 2 VDC (Input resistance: approx. 4.7 k
Ω
)
Counter Max. counting speed
30 Hz or 5 kHz (selectable, ON/OFF ratio 1:1), common setting for CP1 and CP2
Input mode
Increment, decrement, command, individual, and quadrature
Reset input
Minimum reset input signal width: 1 or 20 ms (selectable), common setting for all inputs
Reset system
External, manual, and automatic reset (internal according to C, R, P, and Q mode operation)
Output modes
N, F, C, R, K-1, P, Q, A N, F, C, R, K-1, P, Q, A, K-2, D, L, H
One-shot output time
0.01 to 99.99 s
Tachometer Pulse measurement
method
--- Periodic measurement (Sampling period: 200 ms)
Max. counting speed
--- 30 Hz or 10 kHz (selectable)
Measuring ranges
--- 30 Hz: 0.01 to 30.00 Hz
10 kHz: 0.01 Hz to 10 kHz
Measuring accuracy
---
±
0.1% FS
±
1 digit max. (at 23
±
5
°
C)
Output modes
--- HI-LO, AREA, HI-HI, LO-LO
Auto-zero time
--- 0.1 to 99.9 s
Startup time
--- 0.0 to 99.9 s
Average processing
--- OFF/2/4/8 times
Output type
H7CX-A4W/-AW/-AWD1: SPDT (OUT2) and SPST-NO (OUT1)
H7CX-A4WSD/-AWS/-AWSD/-AWSD1: 2 transistors
H7CX-AU/-AUD1: SPDT and 1 transistor
H7CX-AUSD1: 2 transistors
(Output allocation possible)
Control output
Contact output: 3 A at 250 VAC/30 VDC, resistive load (cos
φ
=1)
Minimum applied load: 10 mA at 5 VDC (failure level: P, reference value)
Transistor output: NPN open collector, 100 mA at 30 VDC
Residual voltage: 1.5 VDC max. (approx. 1 V)
Leakage current: 0.1 mA max.
NEMA B300 Pilot Duty, 1/4 HP 3-A resistive load at 120 VAC, 1/3 HP 3-A resistive load at 240 VAC
External power supply
12 VDC (
±
10%) 100 mA (except for H7CX-A
@
D models)
Refer to
Precautions
for details.
Key protection
Ye s
Prescaling function
Yes (0.001 to 9.999) Yes (0.001 to 99.999)
Decimal point adjustment
Yes (rightmost 3 digits)
Sensor waiting time
250 ms max. (Control output is turned OFF and no input is accepted during sensor waiting time.)
Memory backup
EEPROM (overwrites: 100,000 times min.) that can store data for 10 years min.
Ambient temperature
Operating:
−
10 to 55
°
C (
−
10 to 50
°
C if counters are mounted side by side) (with no icing or condensation)
Storage:
−
25 to 65
°
C (with no icing or condensation)
Ambient humidity
25% to 85%
Case color
Black (N1.5), light gray (Munsell 5Y7/1, produced upon request)
Attachments
Waterproof packing, flush mounting adapt-
er
Waterproof packing, flush mounting adapter, labels for counter/tachometer DIP switch settings
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