DO571 | ABB | Digital Output Module

Ordering Data

• Part No.: 1TNE 968 902 R2202
• Description: DO571, digital output module, 8 DO, relay output
• Product Life Cycle Phase: Active

Technical Data

• Process Supply Voltage L+:
• • Connections: Terminal 20 for L+ (+24 V DC). The negative pole is provided by the I/O bus.
  • Rated Value: 24 V DC
• Current Consumption via L+: 50 mA
• Inrush Current (at Power-up): 0.0035 A²s
• Max. Ripple: 5 %
• Protection Against Reversed Voltage: Yes
• Rated Protection Fuse for UP: Recommended; the outputs must be protected by a 3 A fast-acting fuse
• Current Consumption from 24 V DC Power Supply at L+/UP and M/ZP Terminals of the CPU/Communication Interface Module: Ca. 5 mA

• Galvanic Isolation: Yes, between the output group and the rest of the module
• Isolated Groups: 2 (4 channels per group)
• Surge-Voltage (Max.): 35 V DC for 0.5 s
• Max. Power Dissipation within the Module: 2.0 W
• Weight: Ca. 150 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

• Technical Data of the Digital Outputs
• Number of Channels per Module: 8 normally-open relay outputs
• Distribution of the Channels into Groups: 2 (4 channels per group)
• Connection of the Channels:
  • O0 ... O3: Terminals 10 ... 13
  • O4 ... O7: Terminals 15 ... 18
• Reference Potential for the Channels:
  • O0 ... O3: Terminal 14 (signal name R0 ... R3)
  • O4 ... O7: Terminal 19 (signal name R4 ... R7)
• Relay Coil Power Supply: Terminal 20 (positive pole of the process supply voltage, signal name L+). The negative pole is provided by the I/O bus.
• Indication of the Output Signals: 1 yellow LED per channel; the LED is on when the output signal is high (signal 1) and the module is powered via the I/O bus
• Way of Operation: Non-latching type
• Relay Output Voltage:
  • Rated Value: 24 V DC / 24 V AC or 120/240 V AC
• Output Delay:
  • Switching 0 to 1 (Max.): Typ. 10 ms
  • Switching 1 to 0 (Max.): Typ. 10 ms
• Output Data Length: 1 byte
• Output Current:
  • Rated Current per Channel (Max.):
  • 2.0 A (24 V DC / 24 V AC / 48 V AC / 120 V AC / 240 V AC, only resistive loads)
  • 2.0 A (24 V AC / 48 V AC / 120 V AC, only pilot duty)
  • 1.5 A (240 V AC, only pilot duty)
• Rated Current per Group (Max.): 8 A
• Lamp Load (Max.):
  • 200 W (230 V AC), 30 W (24 V DC)
• Spark Suppression with Inductive AC Loads: Must be performed externally according to driven load specification
• Switching Frequencies:
  • With resistive loads: Max. 1 Hz
  • With inductive loads: On Request
  • With lamp loads: Max. 1 Hz
• Output Type: Non-protected
• Rated Protection Fuse: 5 A fast
• Short-Circuit-Proof / Overload-Proof: No, should be provided by an external fuse or circuit breaker
• Overload Message: No
• Output Current Limitation: No
• Connection of 2 Outputs in Parallel: Not possible
• Lifetime of Relay Contacts (Cycles): 100,000 at rated load
• Max. Cable Length:
  • Shielded: 500 m
  • Unshielded: 150 m