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home > product> solutions > remote i/o modules/units > I-8K & I-87K > I-87088W
 
I-87088W
8-channel PWM Output and 8-channel High-speed Counter Module
 
~ NEW ~
Model: I-87088W
 
  • 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-87088W provides 8-channel PWM (Pulse Width Modulation) Output and 8-channel Counter Input, and can be used to develop powerful and costeffective 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 I-87088W/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-87088W I-87088W/S
Digital 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. +4 VDC Max.
Programmable Filter -
Programmable Threshold Volta -
Counter Bits 32-bit
Counter Mode Up
Encoder Mode -
Frequency Mode -
Virtual Battery Backup Yes
Max. Speed 1 MHz
Digital Output
Channels 8
Type PWM, TTL
Sink/Source (NPN/PNP) Sink
Load Voltage +3.5 ~ +5 VDC +3.5 ~ +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-87088W I-87088W/S
Communication
Interface RS-485
Format N, 8, 1
Baud Rate 1200 to 115200 bps
Protocol DCON
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators/Display
Power 1 LED, Red
Isolation
Intra-module Isolation, Field-to-Logic 3750 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
Power
Power Consumption 1.7 W Max.
Mechanical
Dimensions (L x W x H) 115 mm x 30 mm x 102 mm
Environment
Operating Temperature -25 to +75°C
Storage Temperature -30 to +80°C
Humidity 10 to 95% RH, Non-condensing
 
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