Multifunction Counter H7BX 3
■ Characteristics
Note: Check the electrical life expectancy curve.
■ Applicable Standards
Insulation resis-
tance
100 MΩ min. (at 500 VDC) between current-carrying terminal and exposed non-
current-carrying metal parts, and between non-continuous contacts
Dielectric
strength
Between current-carrying metal parts and non-current-carrying metal parts:
2,000 VAC, 50/60 Hz for 1 min
Between power supply and input circuit: 2,000 VAC, 50/60 Hz for 1 min (for models
other than the H7BX-A@D1)
1,000 VAC, 50/60 Hz for 1 min (H7BX-A@D1)
Between control output, power supply, and input circuit: 2,000 VAC, 50/60 Hz for 1 min
Between non-continuous contacts: 1,000 VAC, 50/60 Hz for 1 min
Impulse with-
stand voltage
Between power terminals: 3.0 kV (1.0 kV for 24 VAC/12 to 24 VDC models)
Between current-carrying terminal and exposed non-current-carrying metal parts:
4.5 kV (1.5 kV for 24 VAC/12 to 24 VDC models)
Noise immunity
Between power terminals: ±1.5 kV
Between input terminals: ±600 V
Square-wave noise by noise simulator (Pulse width: 100 ns/1 µs, 1-ns rise)
Static immunity
Malfunction: 8 kV
Destruction: 15 kV
Vibration resis-
tance
Destruction: 10 to 55 Hz, 0.75-mm single amplitude for 4 cycles each in 3 directions (8
min/cycle)
Malfunction: 10 to 55 Hz, 0.50-mm single amplitude for 4 cycles each in 3 directions (8
min/cycle)
Shock resis-
tance
Destruction: 294 m/s
2
3 times each in 6 directions
Malfunction: 98 m/s
2
3 times each in 6 directions
Life expectancy
Mechanical: 10,000,000 operations min.
Electrical: 100,000 operations min. (3 A at 250 VAC/30 VDC, resistive load) (See
note.)
Weight Approx. 250 g
Approved
safety
standards
cURus: UL 508, CSA C22.2 No. 14
EN 61010-1 (IEC 61010-1): Pollution degree 2/overvoltage category II;
EN 61326; VDE 0106 Part 100
EMC
(EMI) EN 61326
Emission Enclosure: EN 55011 Group 1 class A
Emission AC mains: EN 55011 Group 1 class A
(EMS) EN 61326
Immunity ESD: EN 61000-4-2: 4 kV contact discharge;
8 kV air discharge
Immunity RF-interference: EN 61000-4-3:10 V/m (Amplitude-modulated,
80 MHz to 1 GHz);
10 V/m (Pulse-modulated,
900 MHz ±5MHz)
Immunity Conducted Disturbance: EN 61000-4-6: 3 V (0.15 to 80 MHz)
Immunity Burst: EN 61000-4-4: 2 kV power-line;
1 kV I/O signal-line
Immunity Surge: EN 61000-4-5: 1 kV line to lines (power and output lines
(relay outputs));
2 kV line to ground (power and output lines
(relay outputs))
Immunity Voltage Dip/Interruption: EN 61000-4-11: 0.5 cycle, 100% (rated voltage)
● Electrical Life Expectancy
(Reference Values)
Resistive Load
Inductive Load
A current of 0.15 A max. can be switched at
125 VDC (cos
φ
= 1) and current of 0.1 A max. can
be switched with L/R = 7 m/s. In both cases, a life of
100,000 operations can be expected.
No. of operations (×10
3
)
1,000
700
500
300
100
70
50
Load current
A
01 2 34
30 VDC (cosφ=1)
250 VAC (cosφ=1)
No. of operations (×10
3
)
1,000
700
500
300
100
70
50
L
rr
nt
A
01 2 34
30 VDC (L/R=7 ms)
250 VAC (cosφ=0.4)
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