T8461 | ICS Triplex | TMR 24/48 Vdc Digital Output Module

System Specifications

• System Supply Voltage Range: 20 to 32Vdc
• Circuit Type: Fault tolerant, fully triplicated with optional line monitoring
• Number of Outputs: 40 Channels
• Independent Power Groups: 5 groups, each with 8 outputs

Operational Specifications

• Operational Output/Field Voltage Range: 18 to 60V dc
• Output Voltage Measurement Range: 0 to 60V dc
• Maximum Withstanding: -1 to 60V dc
• Output Current Rating (Continuous):
  • 0.75A per channel
  • 6A per power group
• Minimum On State Load Current: 25mA
• Output Off State Resistance (Effective Leakage): 33kΩ
• Maximum Capacitance:
  • Pre-release 3.5: 30-55uF
  • Release 3.5: At least 3500uF at 0.75A
• Flashing/Pulsing Current Loads: Release 3.5 is recommended
• Output On State Resistance: 0.6Ω
• Output Short Circuit Protection: Electronic (latching)
• Channel to Channel Crosstalk: >-40dB

Power Consumption

• Field Supply at 24V (0.75A per channel): 18W
• System Supply (24V): 22W

Isolation Specifications

• Field Common Isolation (Sustained Working): ±250V dc
• Maximum Withstanding: ±2.5kV dc

Performance Specifications

• Output Turn-On/Off Delay: 0.5ms
• Sample Update Time: 0.5ms
• Sequence of Events:
  • Event Resolution: 1ms
  • Time-Stamp Accuracy: ±0.5ms
• Self-Test Interval: 2 minutes

Safety and Environmental Specifications

• Intrinsic Safety: External barrier required
• Output Short Circuit Protection: Automatic
• Operating Temperature: -5°C to 60°C (23°F to 140°F)
• Non-Operating Temperature: -25°C to 70°C (-13°F to 158°F)
• Temperature Change: 0.5ºC/min
• Operating Humidity: 5 – 95% RH non-condensing
• Environmental Specifications: Refer to Document 552517

Physical Dimensions

• Height: 266mm (10.5 inches)
• Width: 31mm (1.2 inches)
• Depth: 303mm (12 inches)
• Weight: 1.285kg (2.8 lbs)
• Shipping Weight: 2 kg