T8461 ICS Triplex Trusted TMR Digital Output Module

Description

The T8461 is a digital output module manufactured by ICS Triplex as part of their Trusted TMR (Triple Modular Redundant) system. This module is specifically designed for use in critical industrial applications where high reliability and safety are paramount. It plays a crucial role in controlling and monitoring digital outputs within complex process control systems, ensuring seamless integration and operation.

Backplane (IMB) Supply

• Voltage: 20V DC to 32V DC
• Power: 26 W

Field Supply

• Voltage: 18V DC to 58V DC
• Maximum Current: 30 A
• Power Dissipation:
  • Field Supply at Maximum Power Group Current: 36 W
  • System Supply: 26 W

Module Location

• Location: T8100, T8300 I/O Module Slot

Isolation

• Power Group to Power Group: 50V Reinforced (continuous) [Type tested at 1411V DC for 60 s]
• Field Common: 50V Reinforced (continuous), 250V Basic (fault) [Type tested at 2436V DC for 60 s]
• Channel to Channel: None

Fusing

• Fusing: Not user serviceable

Outputs

• Number of Outputs: 40
• Number of Power Groups: 5 (Each Power Group comprises 8 channels)

Output Specifications

• Output On State Resistance: 1.6 Ω
• Maximum Current Rating (Continuous): 0.75 A per channel
• Minimum On State Load Current: 25 mA
• Current Measurement Range: 0 A to 1.35 A ±5% / ±5 mA
• Voltage Measurement Range: 0V DC to +58V DC ±2V DC
• Maximum Withstanding Voltage: -1V DC to +60V DC
• Channel to Channel Crosstalk: < 1%
• Maximum Load Capacitance: 500 μF
• Output Short Circuit Protection: Electronic latching

Sequence of Events

• Event Resolution (LSB): 1 ms
• Timestamp Accuracy: ±10 ms

Environmental Specifications

• Operating Temperature: 0 °C to +60 °C (+32 °F to +140 °F)
• Storage Temperature: -25 °C to +70 °C (-13 °F to +158 °F)
• Relative Humidity – Operating and Storage: 10% – 95%, non-condensing

Dimensions

• Height: 266 mm (10.5 in)
• Width: 31 mm (1.2 in)
• Depth: 303 mm (12.0 in)
• Weight: 1.3 kg (2.7 lb)