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I-7088(D)/M-7088(D)
8-channel PWM Output and 8-channel High-speed Counter Module
 
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Model: I-7088(D) Model: M-7088(D)
 
  • 8-channel PWM Output and 8-channel Counter Input
  • Burst Mode and Continuous Mode for PWM Output
  • Software and Hardware Trigger Mode for PWM Output
  • Individual and Synchronous PWM Output
  • High-speed Counters
  • 4 kV ESD and EFT Protection
  • Dual Watchdog
  • Wide Operating Temperature Range: -25 to +75°C
 
The I-7088 provides 8-channel PWM (Pulse Width Modulation) Output and 8-channel Counter Input, and can be used to develop powerful and cost-effective analog control systems. PWM is a powerful technique for controlling analog circuits that uses the Digital Output to generate a waveform with a variable duty cycle and frequency which can then be used to control an analog circuit in applications such as controlling the position or speed of motors, the brightness of lamps, or the speed of fans, etc. Either burst mode or continuous mode can be used for the PWM output depending on the application. In addition, all Digital Input channels can be used as high-speed counters with a speed of up to 1 MHz. The M-7088 supports both the Modbus RTU and the DCON protocols, which can be confi gured via software, and all hardware specifi cations are the same as the I-7088. The I-7088(D)/S and M-7088(D)/S allows the load voltage to be increased from +3.5 to +50 V for the 8-channels PWM (Pulse Width Modulation) output and the 8-channels high-speed counter.
 
  • Controlling Motor Position/Speed
  • Dimming Lamp Brightness
  • Controlling Fan Speed
 
Model I-7088 I-7088D I-7088/S I-7088D/S
M-7088 M-7088D M-7088/S M-7088D/S
Counter Input
Channels 8
Contact Wet
Sink/Source (NPN/PNP) Sink
On Voltage Level +3.5 ~ +5 VDC +3.5 ~ +50 VDC
Off Voltage Level +1 VDC Max. +1 VDC Max.
Programmable Filter -
Programmable Threshold Voltage -
Counter Bits 32-bit
Counter Mode Up
Encoder Mode -
Frequency Mode -
Virtual Battery Backup Yes
Frequency Accuracy -
Max. Speed 1 MHz
PWM Output
Channels 8
Type PWM, TTL
Sink/Source (NPN/PNP) Sink
Load Voltage +5 VDC +5 ~ +50 VDC
Max. Load Current Sink +5 VDC @ 10 mA/Channel +50 VDC @ 200 mA/Channel
Source +5 VDC @ 1 mA/Channel -
PWM Frequency 1 Hz ~ 500 KHz
Duty Cycle 0.1 to 99.9%
Mode Burst, Continuous
Burst Count 1 to 65535
Trigger Start Hardware or Software
Power-on Value -
Safe Value -
 
Model I-7088 I-7088D I-7088/S I-7088D/S
M-7088 M-7088D M-7088/S M-7088D/S
Communication
Interface RS-485
Bias Resistor No (Usually supplied by the RS-485 Master. Alternatively, add a tM-SG4 or SG-785.)
Format (N, 8, 1) (N, 8, 2) (E, 8, 1) (O, 8, 1)
Baud Rate 1200 to 115200 bps
Protocol DCON
Modbus RTU, DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicator/Display
System LED Indicator Yes, 1 as Power/Communication Indicator
I/O LED Indicator 7-segment
7-Segment LED Display - Yes - Yes
Isolation
Intra-module Isolation, Field-to-Logic 2500 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
EFT (IEC 61000-4-4) ±4 kV for Power Line
Surge (IEC 61000-4-5) -
Power
Reverse Polarity Protection Yes
Format +10 ~ +30 VDC 
Baud Rate 2.9 W 3.4 W 2.9 W 3.4 W
Mechanical
Dimensions (L x W x H) 123 mm x 72 mm x 35 mm
Installation DIN-Rail or Wall Mounting
Environment
Operating Temperature -25 to +75°C
Storage Temperature -40 to +85°C
Humidity 10 to 95% RH, Non-condensing
 
I-7088-G CR 8-channel PWM Output and 8-channel High-speed Counter Module using the DCON Protocol (Gray Cover) (RoHS)
I-7088D-G CR I-7088 with 7-segment LED Display (Gray Cover) (RoHS)
M-7088-G CR 8-channel PWM Output and 8-channel High-speed Counter Module using the DCON and Modbus Protocols (Gray Cover) (RoHS)
M-7088D-G CR M-7088 with 7-segment LED Display (Gray Cover) (RoHS)
I-7088-G/S CR I-7088 with DN-8P8C-CA External Board (Gray Cover) (RoHS)
I-7088D-G/S CR I-7088D with DN-8P8C-CA External Board (Gray Cover) (RoHS)
M-7088-G/S CR M-7088 with DN-8P8C-CA External Board (Gray Cover) (RoHS)
M-7088D-G/S CR M-7088D with DN-8P8C-CA External Board (Gray Cover) (RoHS)
I-7088-G/S = DN-8P8C-CA Connects to the I-7088 Directly
M-7088-G/S = DN-8P8C-CA Connects to the M-7088 Directly
 
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DN-8P8C-CA CR 8-channel Digital Output and 8-channel Counter Input Board, including two CA-090910-A Cable and two CA-3813 Connector
CA-090910-A 9-pin Female D-sub Cable for I/M-7088 Connector, 1 m
CA-3813 Connector Casing for 13-pin, 3.81 mm Pitch or 14-pin, 3.5 mm Pitch
 
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