3721 | Triconex | TMR | Analog Input Module

General Information

• Voltage Range: 0 to 5 VDC or -5 to +5 VDC¹ (+/- 6%)
• Type: TMR (Triple Modular Redundant)
• Number of Input Points: 32 differential, DC-coupled
• Isolated Points: Yes
• Input Update Rate: 10 ms
• Resolution: 12 bits or 14 bits (programmable)
• Accuracy: < 0.15% of Full Scale Range (FSR) from 0°C to 60°C
• Input Resistance (Load): 10 MΩ (DC), minimum
• Power-Off Resistance: 140 KΩ (DC), typical

Electrical Characteristics

• Common Mode Rejection: -85 dB (DC to 100 Hz)
• Common Mode Range: -12V to +12V peak
• Leg-to-Leg Isolation: 420 KΩ typical
• Normal Mode Rejection:
  • -3 dB @ 23 Hz
  • -8 dB @ 60 Hz
  • -14 dB @ 120 Hz
• Input Overrange Protection: 150 VDC / 115 VAC continuous
• Current Range: 0-20 mA with 250 Ω shunt resistor

Diagnostic Indicators

• Module Status: PASS, FAULT, ACTIVE, FIELD
• Color Code: Yellow

Note

• The voltage range is selected using TriStation software.

---

Contact Us

• Phone: +86-15915488782
• Email: uma@meloauto.com
• WhatsApp: +8615915488782
• Business Hours: 24/7 service
• Address: Unit 601, Powerlong International Center, No. 1599 Luling Road, Siming District, Xiamen City, Fujian, China

Let us help you find the automation parts you need with reliable quality and dedicated support!