Product Overview

• Type: Low Voltage DC Discrete Input Modules
• Discrete Input Number: 32
• Input Type: Positive (sink)

Electrical Specifications

• Discrete Input Voltage: 24 V DC
• Input Voltage Limits: 19.2 to 30 V
• Voltage State 1 Guaranteed: 15 to 30 V DC
• Voltage State 0 Guaranteed: -3 to 5 V DC
• Current State 1 Guaranteed: ≥ 2 mA at Us = 5.5 V and Uin = 0 V
• Current State 0 Guaranteed: ≤ 0.5 mA
• Input Impedance: 2500 Ohm
• Leakage Current: 200 mA at Us = 5.5 V and Uin = 4 V
• Absolute Maximum Input: 56 V (1.3 ms decaying pulse), 30 V continuous
• Response Time: ≤ 1 ms (state 1 to state 0), ≤ 1 ms (state 0 to state 1)

Protection and Isolation

• Protection Type: Input protection by resistor limited
• Power Dissipation: 1.7 W + (0.36 x number of points on)
• Isolation Between Group and Bus: 1780 Vrms for 1 minute
• Isolation Between Groups: 500 Vrms for 1 minute

Signaling and Indicators

• Local Signaling:
  • 32 Green LEDs (input status)
  • 1 Red LED (external fault detected)
  • 1 Green LED (bus communication present)
• Marking: CE

Current and Weight

• Bus Current Requirement: 330 mA
• Module Format: Standard
• Product Weight: 0.3 kg

Environmental Standards

• Standards:
  • CSA C22.2 No 142
  • UL 508
• Certifications:
  • ABS
  • BV
  • C-Tick
  • DNV
  • GOST
  • RINA
  • RMRS

Resistance and Operating Conditions

• Resistance to Electrostatic Discharge:
  • 8 kV (air, IEC 801-2)
  • 4 kV (contact, IEC 801-2)
• Resistance to Electromagnetic Fields: 10 V/m (80-2000 MHz, IEC 801-3)
• Ambient Air Temperature for Operation: 0 to 60 °C
• Ambient Air Temperature for Storage: -40 to 85 °C
• Relative Humidity: 95% without condensation
• Operating Altitude: ≤ 5000 m