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4 2304-20 PULSE MODULE
71
1
2
3
4
5
6
7
8
9
APPX
IDX
4.5.1 Basic Specifications
4.5 Specifications
Number of inputs Voltage or no-voltage contact pulse input × 1 channel
Clamp-type current pulse input × 1CH (Detected using externally connected 9766
CLAMP ON SENSOR.)

Simultaneous detection on 2 channels is also possible.
Measurement range Voltage/no-voltage contact pulse up to 4 kHz (Input terminals set by commands)
• Lo range, no-voltage contact terminals
Voltage pulse
A pulse is counted when the voltage level changes from L to H.
L: +0.0 to +0.2 V
H: +1.5 to +45 V
(Logic in the range from +0.2 to +1.5 V is indefinite.)
No-voltage contact pulse:
A pulse is counted when the circuit between the terminals changes from a short circuit
to an open circuit.
Contact Detection Level: short circuit of 500
Ω
or less
open circuit of 500 k
Ω
or more
• High range, terminals
Voltage pulse
A pulse is counted when the voltage level changes from L to H.
L: +0.0 to +4.0 V
H: +10.0 to +45 V
(Logic in the range from +4.0 to +10.0V is indefinite.)
• Current pulse
Detected current range 10 to 20 mAp-p
Pulse width
12.5 ms or more
Pulse interval 25 ms or more, 40 Hz max.
Rise/fall speed 0.8 ms or less

With the 9766 CLAMP ON SENSOR, in a magnetic field of 50 A/m AC or less
Filter Effective for voltage/no-voltage contact pulse input (set by a command).
• For mechanical contact
Pulse width: 20 ms or more
Pulse separation: 40 ms or more
(Frequency: 25 Hz or less)

No filter for current pulse input
Measurement
accuracy ±100 ppm rdg. ±1 dgt., Recording interval accuracy: ±2 ms
Display range: Total of each channel at every interval (16,000,000 max.)
Guaranteed accuracy
period 1 year
Sampling 1 time / sec.
Input terminal 3 Input terminal block × 2