ICS Triplex |T7488|Monitored Guarded Output Modules

ICS T7488 / T7488A Monitored Guarded Output Modules

Description
ICS T7488 / T7488A are 16-channel guarded output modules designed for 120 VDC load control, featuring fault tolerance, line monitoring, and TÜV certification for high-risk applications.

Features

• 16 guarded outputs in two groups of eight
• Fault-tolerant with parallel module configuration
• Hot-replaceable with automatic testing
• Detects open and short circuits
• Front panel LEDs for status and faults
• TÜV certified to Risk Class 5

Technical Specifications

Output Configuration

• 16 circuits
• Two groups of eight
• Minimum isolation: 2500 V between field/logic and groups

Voltage and Current

• Voltage Range: 95–140 VDC
• Load Current:
  • 1.0 A at 0–40°C
  • 0.75 A at 60°C
• Minimum Load:
  • 35 mA (T7488)
  • 5 mA (T7488A)
• On-State Voltage Drop: ≤ 2.0 V
• Surge Current:
  • 3.5 A peak
  • 3 A for 20 ms (inductive loads)
• Output Leakage:
  • T7488: 5.5 mA (single), 8.5 mA (dual)
  • T7488A: 700 µA (single), 1 mA (dual)

Fusing

• 2 A, 250 V fast-acting (3AB)
• Littelfuse 322-002
• Per output

Timing

• Turn-On/Off Delay: 0.5 ms
• Output Test Duration:
  • 250 ms
  • Up to 425 ms with switch fault in dual mode

Power and Dissipation

• Safetybus Power: 1.5 load units
• Heat Dissipation: 27 W / 92 BTUs/hr

Environmental

• Operating Temperature: 0–60°C
• Storage Temperature: -40–85°C
• Humidity: 0–95%, non-condensing

Mechanical

• Vibration: 10–55 Hz, ±0.15 mm
• Shock: 15 g, 11 ms
• Dimensions:
  • 12.6" H × 1.27" W × 10.12" D
  • 320 × 32 × 257 mm
• Weight: 4.2 lbs (1.8 kg)

Certifications

• TÜV certified to DIN V VDE 0801, Risk Class 5
• Complies with UL 508 and CSA 22.2 No. 142-M1981

Electromagnetic Compatibility

• Electrostatic Discharge: 6 kV (IEC 801-2, Level 3)
• Radiated Fields: 10 V/m, 27–500 MHz (IEC 801-3, Level 3)
• Transients/Bursts: 2 kV, 2.5 kHz (IEC 801-4, Level 4)
• Surge Immunity:
  • 2.5 kV damped 1 MHz sine wave
  • 4 kV impulse (ANSI/IEEE C37.90)