Triconex 3505E Digital Input Module | 32-Channel

Triconex 3505E Digital Input Module 24V AC/DC

The 3505E provides reliable 24V digital input acquisition for safety-critical systems. This TMR-compatible module delivers precise signal conditioning with comprehensive diagnostic coverage for industrial automation applications.

Technical Specifications

Input Characteristics:

• Input Channels: 32 points isolated (8 groups of 4)
• Input Type: 24V AC/DC universal
• AC Frequency Range: 47-63Hz
• On-state Voltage: 15-30V AC/DC
• Off-state Voltage: 0-5V AC/DC
• Input Current: 6mA typical @ 24VDC
• Response Time: 3ms maximum
• Contact Bounce Filter: Programmable 0-25ms

Isolation & Protection:

• Channel-to-Channel: 1500V RMS
• Channel-to-Backplane: 2500V RMS
• Surge Protection: 2kV line-to-line
• ESD Protection: 8kV contact discharge
• Over-voltage Protection: 60V continuous
• Reverse Polarity Protection: Yes

TMR Performance:

• Architecture: Triple voting system
• Voting Resolution: 1ms
• Disagreement Detection: Automatic
• Fault Masking: Single fault tolerant
• Diagnostic Coverage: >99%
• Mean Time to Failure: 850,000 hours

Power Requirements:

• Backplane Power: 5VDC ±5%
• Module Consumption: 4.2W typical
• Inrush Current: 12A maximum
• Isolation: 1500V input-to-logic

Environmental Specifications:

• Operating Temperature: -40°C to +70°C
• Storage Temperature: -55°C to +85°C
• Relative Humidity: 5-95% non-condensing
• Vibration: 3g @ 10-500Hz operational
• Shock: 30g for 11ms
• EMC Immunity: IEC 61000-4-2/3/4/5/6

FAQ

What input voltages are supported?
24V AC/DC universal input with 15-30V operating range.

How many input channels are available?
32 isolated input channels in 8 groups of 4.

Is the module TMR compatible?
Yes, designed for Triple Modular Redundant safety systems.

What is the response time?
3ms maximum with programmable contact bounce filtering.

What environmental rating does it have?
Operates from -40°C to +70°C with full performance.

What diagnostic features are included?
Comprehensive monitoring including field wiring and input circuit validation.

Contact Information

Original Source: https://www.nex-auto.com/
Email: sales@nex-auto.com
Phone: +86 153 9242 9628 (WhatsApp)