ICS Triplex T8846 Speed Input Field Termination Assembly

Environmental Conditions

• Operating Temperature: 0°C to +60°C
• Storage Temperature: -25°C to +70°C
• Temperature Change Rate: ±0.5°C/min
• Relative Humidity (Operating, Storage, Transport): 10% to 95% (non-condensing)

Group Vfield Power Supply Input Specifications

• Vfield (A) and Vfield (B) Input Voltage Range: 18 to 32 V DC (with respect to Group Vfield Return)
• Maximum Vfield Input Current: 1 A for Vfield (A) and Vfield (B) Inputs

Group Speed Input Specifications

• Open Collector Input:
  • Maximum Input Voltage: 33 V DC (relative to Group Vfield Return)
  • Pull-up Resistance: 2000 Ω
  • Open Collector Input to Output Resistance: 4990 Ω
• Differential Input Resistance: 632 Ω for Passive (A) and Passive (B) Inputs
• Maximum Differential Input Voltage: 10 V DC (632 Ω input resistance)
• Active Input Bias Voltage: 1.90 V DC (with Vfield Input = 24 V DC)

Group Vfield Output Specifications

• Vfield Output Voltage: 22.6 V DC (@ 50 mA load current, with 24 V DC Vfield input)
• Maximum Output Current: 62.5 mA

Physical Specifications

• Dimensions:
  • Height: 102 mm (4.0 in)
  • Width: 391 mm (15.40 in)
  • Depth: 127 mm (5.0 in)
• Weight: 0.75 kg (1.6 lb)