DO573 | ABB Digital Output Module

Ordering Information

• Part Number: 1SAP 231 300 R0000
• Description: DO573, Digital Output Module, 16 DO, Relay Output
• Product Life Cycle Phase: Active

Technical Data

• Process Supply Voltage L+: Rated value 24 V DC
• Connections:
  • Terminals: 19 for L+ (+24 V DC)
  • Terminals: 20 for M (0 V DC)
• Current Consumption via L+: 50 mA
• Max. Ripple: 5%
• Protection Against Reversed Voltage: Yes
• Rated Protection Fuse for L+:
  • Recommended: The outputs must be protected by a 5 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:
  • Approx. 5 mA
• Galvanic Isolation: Yes, between the output groups and the rest of the module
• Isolated Groups: 2 (8 channels per group)
• Surge-Voltage (Max.): 35 V DC for 0.5 s
• Max. Power Dissipation Within the Module: 2.0 W
• Weight: Approx. 160 g
• Mounting Position: Horizontal or vertical
• Cooling: Must not be hindered by cable ducts or other parts in the control cabinet. Natural convection cooling required.

Digital Output Specifications

• Number of Channels per Module: 16 normally-open relay outputs
• Distribution of Channels into Groups: 2 groups (8 channels per group)
• Channel Connections (NO0 ... NO7):
  • Terminals: 1 ... 8
• Channel Connections (NO8 ... NO15):
  • Terminals: 10 ... 17
• Reference Potential for Channels (NO0 ... NO7):
  • Terminal: 9 (signal name R0 ... 7)
• Reference Potential for Channels (NO8 ... NO15):
  • Terminal: 18 (signal name R8 ... 15)
• Relay Coil Power Supply:
  • Terminals: 19 and 20 (signal names L+ and M)
• Indication of Output Signals:
  • 1 yellow LED per channel
  • LED on when output signal is high (Signal 1) and module is powered via I/O bus
• Mode of Operation: Non-latching type
• Relay Output Voltage (Rated Value):
  • 24 V DC 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: 2 bytes
• Rated Output 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 Output Current per Group (Max.): 10 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 specifications
• Switching Frequencies:
  • With resistive loads: Max. 1 Hz
  • With inductive loads: On Request
  • With lamp loads: Max. 1 Hz
• Output Type: Non-protected
• Protection Type: External fuse required
• 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

Cable and Connection Details

• Max. Cable Length (Shielded): 500 m
• Max. Cable Length (Unshielded): 150 m