16159/1/1 Digital Input Module - Honeywell

Honeywell 16159/1/1 Digital Input Module

The Honeywell 16159/1/1 is a digital input module. It works with safety systems. This module provides 8 channels of 24VDC input with SIL2 certification.

Technical Specifications

• Brand & Model: Honeywell 16159/1/1
• Module Type: Digital Input Module
• Channel Count: 8 Digital Inputs
• Input Voltage: 24 VDC
• Input Current: 6 mA per channel
• ON State Voltage: >14 VDC
• OFF State Voltage: <6 VDC
• Response Time: <1.5 ms
• Module Weight: 0.5 kg (1.1 lb)
• Dimensions: 118 × 98 × 35 mm
• Power Consumption: 2.8 W
• Isolation Voltage: 1000 Vrms

Safety Certifications

• SIL Rating: SIL2 Certified (IEC 61508)
• Diagnostic Coverage: >95%
• SFF: >90%
• MTBF: >800,000 hours
• Failure Rate: <150 FIT

Input Characteristics

• Input Type: Sourcing (PNP)
• Input Impedance: 4.0 kΩ
• ON State Current: >3.0 mA
• OFF State Current: <1.0 mA
• Maximum Input: 30 VDC continuous
• Input Filter: 0.5 ms fixed
• Channel to Channel Isolation: 500 VDC

Environmental Specifications

• Operating Temperature: -20°C to +65°C (-4°F to +149°F)
• Storage Temperature: -40°C to +85°C (-40°F to +185°F)
• Humidity: 5-95% RH non-condensing
• Vibration Resistance: 3g @ 10-150 Hz
• Shock Resistance: 20g
• Protection Rating: IP20
• Altitude: Up to 3000 meters

Electrical Specifications

• Power Supply: 24 VDC ±20%
• Current Consumption: 120 mA typical
• Inrush Current: <500 mA
• Field Power: 24 VDC external
• Terminal Type: Pluggable screw terminals
• Wire Size: 0.2-2.5 mm² (24-12 AWG)

Frequently Asked Questions

How many input channels does it have?

• 8 digital input channels with 24VDC operation. Each channel draws 6mA with sourcing (PNP) configuration.

What safety certification does it hold?

• SIL2 certified per IEC 61508 with >95% diagnostic coverage and >90% safe failure fraction (SFF).

What is the module weight?

• The 16159/1/1 weighs 0.5 kg (1.1 lb). Dimensions: 118 × 98 × 35 mm with IP20 protection rating.