16-channel Sink Type Isolated Digital Output (Counter) Module, communicable over RS-485 and Modbus RTU


16-channel Sink Type Isolated Digital Output (Counter) Module, communicable over RS-485 and Modbus RTU

  Price:  $289.00  



M-7045-NPN offers 16 channels for digital output, each of which features Photo-couple isolation. M-7045-NPN supports sink type output with short-circuits protection. There are options for power on value and safe value for your consideration. M-7045D-NPN has 16 LED indicators for DO channel status. 4 kV ESD protection, 4 kV EFT protection, 3 kV Surge Protection for Power Input and 3750 VDC intra-module isolation are standard.


  • Digital Outputs for Sink Type
  • 4 kV ESD and EFT Protection
  • 3 kV Surge Protection for Power Input
  • Dual Watchdog
  • Power On Value Setting
  • Safe Value Setting
  • Short Circuit Protection
  • 3750 VDC Intra-Module Isolation
  • A Wide Range of Operating Temperature: -25 °C ~ 75 °C
  • RoHS Compliance


  • Industry automation
  • Industrial Machinery
  • Building Automation
  • Food & Beverage
  • Semiconductor Fabrication
  • Control system


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
Baud Rate 1200 to 115200 bps
Protocol Modbus RTU, DCON (for M-7045 series)
Dual Watchdog Yes, Module (1.6 Seconds), Communication (Programmable)
LED Indicators/Display
System LED Indicator Yes, 1 as Power/Communication Indicator
I/O LED Indicators Yes, 16 LEDs as Digital Output Indicators
7-Segment LED Display -
Intra-module Isolation, Field-to-Logic 3750 VDC
EMS Protection
ESD (IEC 61000-4-2) ±4 kV Contact for each Terminal
±8 kV Air for Random Point
EFT (IEC 61000-4-4) ±4 kV for the 16 DO channels and Power, ±2 kV for the RS-485 Port
Surge (IEC 61000-4-5) ±3 kV for Power Line
Reverse Polarity Protection Yes
Input Range 10 ~ 30 VDC
Consumption 1.2 W
Dimensions (L x W x H) 123 mm x 72 mm x 35 mm
Installation DIN-Rail or Wall Mounting
Operating Temperature -25°C ~ +75°C (-13°F ~ +167°F)
Storage Temperature -40°C ~ +85°C (-40°F ~ +185°F)
Humidity 10 ~ 95% RH, Non-condensing

I/O Specifications

Digital Output/Counter
Channels 16
Type Open Collector
Sink/Source (NPN/PNP) Sink
Load Voltage +3.5 ~ 50 VDC
Max. Load Current 700 mA/Channel
Overvoltage Protection 60 VDC
Overload Protection 1.4 A (with Short-circuit Protection)
Power-on Value Yes
Safe Value Yes

Related Products