I-7051D CR ICP DAS Digital IO Modules

• Dry Contact and Wet Contact By Wire Connection
• Photocouple Isolation
• Long Distance Measurement
• Can Be Used As Counters
• 4KV ESD Protection
• 3750 Vrms Isolation Voltage
• Dual Watchdog
• RoHS Compliance
• Wide Range of Operating Temperature: -25 ~ +75 °C

I-7051 offers 16 channels for digital input which cover dry contact and wet contact as well. Its effective distance for dry contact is up to 500 meters. All of its channels are not only with isolation but also able to be used as 16-bit counters. I-7051D has 16 LED indicators for DI channel status. 4KV ESD protection and 3750 V intra-module isolation are standard.

Digital Input

Channels: 16
Input Type: 
      Dry Contact: Source
      Wet Contact: Sink or Source
Dry Contact: 
      Off Voltage Level: Open
      On Voltage Level: Close to GND
Effective Distance: 500 M Max. for Dry Contact
Wet Contact Level: 
      Off Voltage Level: +4 V Max.
      On Voltage Level: +10 VDC ~ +50 VDC
Input Impedance: 10 kΩ, 0.5W
Counters: 
      Channels: 16
      Max. Counters: 16-bit (65535)
      Max. Input Frequency: 100 Hz
      Min. Pulse Width: 5 ms
Over-Voltage Protect: 70 VDC
Photo-isolation: 3750 Vrms

Interface

Interface: RS-485
Format: N, 8, 1
Baud Rate: 1200 ~ 115200 bps

LED Display

1 LED as Power/Communication indicator
16 LEDs as digital input indicators (for I-7051D)

Power

Input Voltage Range: +10 VDC ~ +30 VDC
Power Consumption: 
      I-7051: 0.5 W
      I-7051D: 2.8 W

Environment

Operating Temperature: -25 °C ~ +75 °C
Storage Temperature: -40 °C ~ +85 °C
Humidity: 10 ~ 95% RH, non-condensing

Dimensions

72 mm x 120 mm x 35 mm (W x L x H)