ABB | DI571 | Digital Input Module

Ordering

• Part no.: 1TNE 968 902 R2103
• Description: DI571, digital input module, 8 DI, 100 V AC ... 240 V AC
• Product life cycle phase: Active

Technical

• Galvanic isolation: Yes, between the channels and the rest of the module
• Isolated groups: 8 (1 channel per group)
• Current consumption from 24 V DC power supply: Ca. 10 mA
• Max. power dissipation within the module: On request
• Weight: Ca. 135 g
• Mounting position: Horizontal or vertical
• Cooling: The natural convection cooling must not be hindered by cable ducts or other parts in the control cabinet

Digital Inputs

• Number of channels per module: 8 AC inputs (100-240 V AC)
• Distribution of the channels into groups: 8 (1 channel per group)
• Input voltage range: 0 V AC ... 264 V AC (47 Hz ... 63 Hz)
• Input current per channel (typically at +25 °C):
  • < 5 mA (at 40 V AC)
  • ＞6 mA (at 159 V AC, 50 Hz)
  • ＞7 mA (at 159 V AC, 60 Hz)
• Connections of the channels I0 to I7: Terminals 1, 3, 5, 7, 10, 12, 14, 16
• Reference potential for the channels I0 to I7: Terminals 2, 4, 6, 8, 11, 13, 15, 17
• Indication of the input signals: 1 yellow LED per channel; the LED is ON when the input signal is high (signal 1)

Input Type

• Type: Type 1 according to EN 61131-2
• Input signal range:
  • Signal 0 (max.): 20 V AC
  • Undefined signal: 20 V AC < U < 79 V AC
  • Signal 1 (min.): 79 V AC
• Input delay:
  • Signal 0 -> 1: Typ. 15 ms
  • Signal 1 -> 0: Typ. 30 ms
• Input data length: 1 byte
• Max. permissible leakage current (at 2-wire proximity switches): 1 mA
• Max. cable length:
  • Shielded: 500 m
  • Unshielded: 300 m