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I-7044/I-7044D
4-channel Isolated Digital Input and 8-channel Isolated DO Module
 
   
Model: I-7044 Model: I-7044D
 
  • 8 Digital Outputs and 4 Digital Inputs
  • Open Collector Output
  • Photocouple Isolation
  • Digital Input Channels Can Be Used As 16-bit Counters
  • Configurable Power-on Value Settings
  • Configurable Safe Value Settings
  • 3750 Vrms Isolation Voltage
  • Dual Watchdog
  • Wide Operating Temperature Range: -25 to +75°C
 
The I-7044 offers 4 channels for digital input and 8 channels for digital output, each of which features Photocouple isolation. The I-7044 supports sink-type output using open collector and sink- or source-type input via wire connections. All input channels are able to be used as 16-bit counters. There are options to enable both power-on and safe values . The I-7044D has 12 LED indicators for DI and DO channel status monitoring. 3750 Vrms intra-module isolation are standard. The hardware specifications for the M-7044 are the same as the I-7044 and both support the Modbus RTU and DCON protocols which can be configured via software.
 
Building Automation, Factory Automation, Machine Automation, Remote Maintenance, Remote Diagnosis, Testing Equipment.
 
Models I-7044 I-7044D
Digital Input/Counter
Channels 4
Type Dry Contact -
Wet Contact Sink/Source
Wet Contact ON Voltage Level +1 VDC Max.
OFF Voltage Level +4 ~ 30 VDC
Dry Contact ON Voltage Level -
OFF Voltage Level -
Effective Distance
for Dry Contact
-
Counters Max. Count 65535 (16-bit)
Max. Input
Frequency
100 Hz
Min. Pulse Width 5 ms
Input Impedance 3 kΩ
Channel-to-Channel Isolation -
Overvoltage Protection ±35 VDC
Digital Output
Channels 8
Type Open Collector
Sink/Source (NPN/PNP) Sink
Load Voltage +3.5 ~ 30 VDC
Max. Load Current 375 mA/Channel
Overvoltage Protection -
Overload Protection -
Power-on Value Yes
Safe Value Yes
 
Models I-7044 I-7044D
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
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 - Yes
7-Segment LED Display -
Isolation
Intra-Module Isolation, Field-to-Logic 3750 Vrms
EMS Protection
ESD (IEC 61000-4-2) ±2 kV Contact for each Terminal
EFT (IEC 61000-4-4) ±2 kV for Power Line
Surge (IEC 61000-4-5) -
Power
Reverse Polarity Protection Yes
Input Range +10 ~ +30 VDC
Consumption 1.0 W 1.7 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
 
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