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M-7084
4/8-channel Counter/Frequency/Encoder Input Module

Model: M-7084


8 Up Counter/Frequency Channels or 4 Encoder Input Channels Programmable Digital Filter 32-bit Counter Individual Channel Configuration Virtual Battery Backup to Preserve Counter Values +/-4 kV ESD Protection Preset Values for Counter Input RoHS Compliant Wide Operating Temperature Range: -25 ~ +75°C

The M-7084 is a 32-bit high-speed Counter/Frequency/Encoder input module that offers a variety of mode options, including "Up Counter”, "Frequency Input", "Up/Down Counter", "Direct/Pulse Counter" and "A/B Phase Counter" modes. The mode combinations can be individual set for all 8 channels, where some channels can be set to “Up Counter” mode and other channels can be simultaneously set to “Frequency”, "Up/ Down Counter" or “Encoder input” mode. The built-in digital filter can filter out noise where the high/ low pulse width is smaller than the minimum high/low width of the digital filter. The M-7084 provides a virtual battery backup function in counter mode.

Counter Measurement, Frequency Measurement and Encoder Motion Control.

Communication
Interface	RS-485
Format	N, 8, 1
Baud Rate	1200 ~ 115200 bps
Protocol	Modbus RTU, DCON
Dual Watchdog	Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicator
Power	1 LED, Red
Isolation
Intra-module Isolation, Field-to-Logic	3000 VDC
EMS Protection
ESD (IEC 61000-4-2)	+/-4 kV Contact for Each Terminal
EFT (IEC 61000-4-4)	+/-4 kV for Power
Surge (IEC 61000-4-5)	+/-3 kV for Power Line
Power
Reverse Polarity Protection	Yes
Input Range	10 ~ 30 VDC
Consumption	1.32 W Max.
Mechanical
Dimensions (W x L x H)	72 mm x 123 mm x 35 mm
Installation	DIN-Rail or Wall Mounting
Environment
Operating Temperature	-25 ~ +75°C
Storage Temperature	-30 ~ +80°C
Humidity	10 ~ 90% RH, Non-condensing

Counter/Frequency/Encoder Input
Channels	4-channel Up/Down Counter (CW/CCW) 4-channel Dir/Pulse Counter (Bi-direction) 4-channel A/B Phase (Quadrature Counting) 8-channel Up Counter 8-channel Frequency
Contact	Wet
Sink/Source (NPN/PNP)	Sink
Types	Counter, Frequency or Encoder
Counter/Encoder-bits	32-bit (4,294,967,295)
On Voltage Level	+3.5 VDC ~ +30 VDC
Off Voltage Level	+1 VDC Max.
Programmable Digital Filter	1 ~ 32767 μs
Individual Channel Configuration	Yes
Counter Mode	Up or Up/Down
Encoder Mode	CW/CCW, Dir/Pulse, AB Phase
Frequency Mode	Yes
Max. Speed	3.5 VDC ~ 10 VDC: 200 kHz 10 VDC ~ 30 VDC: 150 kHz
Frequency Accuracy	1 Hz~200 kHz = ±0.025% of Input Frequency (Note1)
Virtual Battery Backup to preserve Counter Values	Yes

Note1:

Frequency Range	Frequency Error (typical)
1 Hz ~ 10 Hz	0.01 Hz
10 Hz ~ 10 KHz	0.5 Hz
10 KHz ~ 100 KHz	15 Hz
100 KHz ~ 200 KHz	30 Hz

M-7084-G CR

4/8-channel Counter/Frequency/Encoder Input Module (Gray Cover) (RoHS)

SG-770 CR

7-channel Differential or 14-channel Single-ended Surge Protector (RoHS)

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